The official H/F piston/rod/crank/block specs and CR thread
#1
Thread Starter
The official H/F piston/rod/crank/block specs and CR thread
Well, since I started this a while back in another thread I figured it was about time to finish what I started and make a definitive answer thread for anyone looking for piston, rod, crank and block specs or compression ratios of various H, F or H/F combinations.
Anything anyone wants to add to this thread post up whatever info or specs you have and Ill add it to this original post. I am putting up only what i have personally measured and or quoted direct from the helms manual. I dont want this thread to get cluttered with he said she said specs so Im asking that we limit contributions to first hand spec acquisitions and or helms manual references only. Whatever I have missed or havent measured myself, please feel free to post and contribute. The items i have yet to measure or discover I will leave blank until myself or another member provides the information.
Im going to start by adding a few specs that I can think of off the top of my head now, I will return later tonight and add some more info which will include a few CR calculations.
If I leave something blank and you have the information/specs plase post it up and I will edit this post and ad the new additions to the thread.
<FONT SIZE="2"><FONT COLOR="red"><u>Blocks</u></FONT></FONT>
Block Type
H22A4 Block = Open Deck
H22A block = Closed Deck
H23A block = Open Deck
H23A1 block = Closed Deck
F22 block = Open Deck
F23 block = Open Deck
F20B block = Open Deck
Deck Height
H22A4 Block = 8.643
H22A block = 8.643
H23A block = 8.643
H23A1 block = 8.643
F22 block = 8.643
F23 block = 8.643
F20B block = 8.643
Bore
H22A4 Block = 87mm/3.425
H22A block = 87mm/3.425
H23A block = 87mm/3.425
H23A1 block = 87mm/3.425
F22 block = 85mm/3.346
F23 block = 86mm/3.385
F20B = 85mm/3.346
Note:
Due to various available piston diameters (A/B) actual bore diameter may vary
<FONT SIZE="2"><FONT COLOR="red"><u>Rods</u></FONT></FONT>
Length
H22A4 = 5.633
H22A = 5.633
H23A = 5.572
H23A1 = 5.572
F22 = 5.572
F23 = 5.551
F20B = 5.709
Width
H22A4 = .935
H22A = .935
H23A = .935
H23A1 = .935
F22 = .935
F23 = .780
F20B = .935
BE Bore
H22A4 = 2.008
H22A = 2.008
H23A = 2.008
H23A1 = 2.008
F22 = 2.008
F23 = 1.890
F20B = 1.890
Pin Bore
H22A4 =
H22A = .8649-.8654
H23A =
H23A1 = .8649-.8654
F22 = .8649-.8654
F23 = .8649-.8654
F20B =
<FONT SIZE="2"><FONT COLOR="red"><u>Pistons</u></FONT></FONT>
Bore
H22A4 = 87mm/3.425
H22A = 87mm/3.425
H23A = 87mm/3.425
H23A1 = 87mm/3.425
F22 = 85mm/3.346
F23 = 86mm/3.385
F20B = 85mm/3.346
Note:
actual diameter may vary depending on code of piston (ie, A B)
Compression Height
H22A4 = 1.221
H22A = 1.221
H23A = 1.203
H23A1 = 1.203
F22A1 = 1.203
F22A4 = 1.203
F23A1 = 1.181
F20B = 1.221
Dome Volume
H22A4 =
H22A =
H23A =
H23A1 =
F22A1 =
F22A4 =
F23A1 =
F23A4 =
F23A5 = -18cc
F20B =
Wrist Pin Diameter
H22A4 = .866
H22A = .866
H23A = .866
H23A1 = .866
F22 = .866
F23 = .866
F20B = .866
<FONT SIZE="2"><FONT COLOR="red"><u>Crankshafts</u></FONT></FONT>
Stroke
H22A4 = 90.7mm/3.570
H22A = 90.7mm/3.570
H23A = 95mm/3.740
H23A1 = 95mm/3.740
F22 = 95mm/3.740
F23 = 97mm/3.818
F20B = 88mm/3.464
Main Journal Diameter
H22A4 = 55mm
H22A4 = 50mm (1997 Only)
H22A = 50mm
H23A = 55mm
H23A1 = 50mm
F22 = 50mm
F23 = 55mm
F20B = 55mm
Rod Journal Diameter
H22A4 = 1.888
H22A = 1.888
H23A = 1.888
H23A1 = 1.888
F22 = 1.888
F23 = 1.771
F20B = 1.771
<FONT SIZE="2"><FONT COLOR="red"><u>Cylinder Heads</u></FONT></FONT>
Combustion Chamber Volume
H22A4 = 53.8cc
H22A = 53.8cc
H23A = 53.8cc
H23A1 = 50cc
F22A1 = 50cc
F22A4 = 50cc
F23A1 = 50cc
F23A4 = 50cc
F23A5 = 50cc
F20B =
Intake Valve Diameter
H22A4 = 35mm
H22A = 35mm
H23A = 35mm
H23A1 = 34mm
F22 = 34mm
F23 = 34mm
F20B = 34mm
Exhaust Valve Diameter
H22A4 = 30mm
H22A = 30mm
H23A = 30mm
H23A1 = 29mm
F22 = 29mm
F23 = 29mm
F20B = 29mm
<FONT SIZE="2"><FONT COLOR="red"><u>Head Gaskets</u></FONT></FONT>
Bore
H22A4 = 88mm
H22A = 88mm
H23A = 88mm
H23A1 = 88mm
F22 = 86mm
F23 = 87mm
F20B = 86mm
Thickness
H22A4 = .026
H22A = .026
H23A = .026
H23A1 = .026
F22 = .026
F23 = .026
F20B = .026
Note:
Gasket thickness measured after crush
<FONT SIZE="2"><FONT COLOR="red"><u>Bearings</u></FONT></FONT>
<U>Main Bearing Thickness</U>
<FONT COLOR="blue">Blue:</FONT> 2.013 - 2.010mm / 0.0793 - 0.0791
<FONT COLOR="black">Black:</FONT> 2.010 - 2.007mm / 0.0791 - 0.0790
<FONT COLOR="brown">Brown:</FONT> 2.007 - 2.004mm / 0.0790 - 0.0789
<FONT COLOR="green">Green:</FONT> 2.004 - 2.001mm / 0.0789 - 0.0788
<FONT COLOR="yellow">Yellow:</FONT> 2.001 - 1.998mm / 0.0788 - 0.0787
<FONT COLOR="pink">Pink:</FONT> 1.998 - 1.995mm / 0.0787 - 0.0785
<FONT COLOR="red">Red:</FONT> 1.995 - 1.992mm / 0.0785 - 0.0783
<U>Rod Bearing Thickness</U>
<FONT COLOR="blue">Blue:</FONT> 1.510 - 1.507mm / 0.0594 - 0.0593
<FONT COLOR="black">Black:</FONT> 1.507 - 1.504mm / 0.0593 - 0.0592
<FONT COLOR="brown">Brown:</FONT> 1.504 - 1.501mm / 0.0592 - 0.0591
<FONT COLOR="green">Green:</FONT> 1.501 - 1.498mm / 0.0591 - 0.0590
<FONT COLOR="yellow">Yellow:</FONT> 1.498 - 1.495mm / 0.0590 - 0.0589
<FONT COLOR="pink">Pink:</FONT> 1.495 - 1.492mm / 0.0589 - 0.0587
<FONT COLOR="red">Red:</FONT> 1.492 - 1.489mm / 0.0587 - 0.0586
<U>Main Bearing Width</U>
H22A4 = .784
H22A = .784
H23A = .784
H23A1 = .784
F22A1 = .784
F22A4= .784
F23A1 = .784
F23A4 = .784
F23A5 = .784
F20B = .784
<U>Rod Bearing Width</U>
H22A4 = .762
H22A = .762
H23A = .762
H23A1 = .762
F22A1 = .762
F22A4 = .762
F23A1 = .609
F23A4 = .609
F23A5 = .609
F20B = .762
<FONT COLOR="green"><FONT SIZE="3">More to come.....</FONT></FONT>
<FONT COLOR="purple"><FONT SIZE="5">Contributors</FONT></FONT>
<FONT COLOR="orange">Thank you to the following for their contributions:</FONT>
PirateMcFred
prelittlelude
<FONT COLOR="pink">Jdogg</FONT>
ZigenBallz
Modified by Innovation at 1:43 PM 5/10/2005
Anything anyone wants to add to this thread post up whatever info or specs you have and Ill add it to this original post. I am putting up only what i have personally measured and or quoted direct from the helms manual. I dont want this thread to get cluttered with he said she said specs so Im asking that we limit contributions to first hand spec acquisitions and or helms manual references only. Whatever I have missed or havent measured myself, please feel free to post and contribute. The items i have yet to measure or discover I will leave blank until myself or another member provides the information.
Im going to start by adding a few specs that I can think of off the top of my head now, I will return later tonight and add some more info which will include a few CR calculations.
If I leave something blank and you have the information/specs plase post it up and I will edit this post and ad the new additions to the thread.
<FONT SIZE="2"><FONT COLOR="red"><u>Blocks</u></FONT></FONT>
Block Type
H22A4 Block = Open Deck
H22A block = Closed Deck
H23A block = Open Deck
H23A1 block = Closed Deck
F22 block = Open Deck
F23 block = Open Deck
F20B block = Open Deck
Deck Height
H22A4 Block = 8.643
H22A block = 8.643
H23A block = 8.643
H23A1 block = 8.643
F22 block = 8.643
F23 block = 8.643
F20B block = 8.643
Bore
H22A4 Block = 87mm/3.425
H22A block = 87mm/3.425
H23A block = 87mm/3.425
H23A1 block = 87mm/3.425
F22 block = 85mm/3.346
F23 block = 86mm/3.385
F20B = 85mm/3.346
Note:
Due to various available piston diameters (A/B) actual bore diameter may vary
<FONT SIZE="2"><FONT COLOR="red"><u>Rods</u></FONT></FONT>
Length
H22A4 = 5.633
H22A = 5.633
H23A = 5.572
H23A1 = 5.572
F22 = 5.572
F23 = 5.551
F20B = 5.709
Width
H22A4 = .935
H22A = .935
H23A = .935
H23A1 = .935
F22 = .935
F23 = .780
F20B = .935
BE Bore
H22A4 = 2.008
H22A = 2.008
H23A = 2.008
H23A1 = 2.008
F22 = 2.008
F23 = 1.890
F20B = 1.890
Pin Bore
H22A4 =
H22A = .8649-.8654
H23A =
H23A1 = .8649-.8654
F22 = .8649-.8654
F23 = .8649-.8654
F20B =
<FONT SIZE="2"><FONT COLOR="red"><u>Pistons</u></FONT></FONT>
Bore
H22A4 = 87mm/3.425
H22A = 87mm/3.425
H23A = 87mm/3.425
H23A1 = 87mm/3.425
F22 = 85mm/3.346
F23 = 86mm/3.385
F20B = 85mm/3.346
Note:
actual diameter may vary depending on code of piston (ie, A B)
Compression Height
H22A4 = 1.221
H22A = 1.221
H23A = 1.203
H23A1 = 1.203
F22A1 = 1.203
F22A4 = 1.203
F23A1 = 1.181
F20B = 1.221
Dome Volume
H22A4 =
H22A =
H23A =
H23A1 =
F22A1 =
F22A4 =
F23A1 =
F23A4 =
F23A5 = -18cc
F20B =
Wrist Pin Diameter
H22A4 = .866
H22A = .866
H23A = .866
H23A1 = .866
F22 = .866
F23 = .866
F20B = .866
<FONT SIZE="2"><FONT COLOR="red"><u>Crankshafts</u></FONT></FONT>
Stroke
H22A4 = 90.7mm/3.570
H22A = 90.7mm/3.570
H23A = 95mm/3.740
H23A1 = 95mm/3.740
F22 = 95mm/3.740
F23 = 97mm/3.818
F20B = 88mm/3.464
Main Journal Diameter
H22A4 = 55mm
H22A4 = 50mm (1997 Only)
H22A = 50mm
H23A = 55mm
H23A1 = 50mm
F22 = 50mm
F23 = 55mm
F20B = 55mm
Rod Journal Diameter
H22A4 = 1.888
H22A = 1.888
H23A = 1.888
H23A1 = 1.888
F22 = 1.888
F23 = 1.771
F20B = 1.771
<FONT SIZE="2"><FONT COLOR="red"><u>Cylinder Heads</u></FONT></FONT>
Combustion Chamber Volume
H22A4 = 53.8cc
H22A = 53.8cc
H23A = 53.8cc
H23A1 = 50cc
F22A1 = 50cc
F22A4 = 50cc
F23A1 = 50cc
F23A4 = 50cc
F23A5 = 50cc
F20B =
Intake Valve Diameter
H22A4 = 35mm
H22A = 35mm
H23A = 35mm
H23A1 = 34mm
F22 = 34mm
F23 = 34mm
F20B = 34mm
Exhaust Valve Diameter
H22A4 = 30mm
H22A = 30mm
H23A = 30mm
H23A1 = 29mm
F22 = 29mm
F23 = 29mm
F20B = 29mm
<FONT SIZE="2"><FONT COLOR="red"><u>Head Gaskets</u></FONT></FONT>
Bore
H22A4 = 88mm
H22A = 88mm
H23A = 88mm
H23A1 = 88mm
F22 = 86mm
F23 = 87mm
F20B = 86mm
Thickness
H22A4 = .026
H22A = .026
H23A = .026
H23A1 = .026
F22 = .026
F23 = .026
F20B = .026
Note:
Gasket thickness measured after crush
<FONT SIZE="2"><FONT COLOR="red"><u>Bearings</u></FONT></FONT>
<U>Main Bearing Thickness</U>
<FONT COLOR="blue">Blue:</FONT> 2.013 - 2.010mm / 0.0793 - 0.0791
<FONT COLOR="black">Black:</FONT> 2.010 - 2.007mm / 0.0791 - 0.0790
<FONT COLOR="brown">Brown:</FONT> 2.007 - 2.004mm / 0.0790 - 0.0789
<FONT COLOR="green">Green:</FONT> 2.004 - 2.001mm / 0.0789 - 0.0788
<FONT COLOR="yellow">Yellow:</FONT> 2.001 - 1.998mm / 0.0788 - 0.0787
<FONT COLOR="pink">Pink:</FONT> 1.998 - 1.995mm / 0.0787 - 0.0785
<FONT COLOR="red">Red:</FONT> 1.995 - 1.992mm / 0.0785 - 0.0783
<U>Rod Bearing Thickness</U>
<FONT COLOR="blue">Blue:</FONT> 1.510 - 1.507mm / 0.0594 - 0.0593
<FONT COLOR="black">Black:</FONT> 1.507 - 1.504mm / 0.0593 - 0.0592
<FONT COLOR="brown">Brown:</FONT> 1.504 - 1.501mm / 0.0592 - 0.0591
<FONT COLOR="green">Green:</FONT> 1.501 - 1.498mm / 0.0591 - 0.0590
<FONT COLOR="yellow">Yellow:</FONT> 1.498 - 1.495mm / 0.0590 - 0.0589
<FONT COLOR="pink">Pink:</FONT> 1.495 - 1.492mm / 0.0589 - 0.0587
<FONT COLOR="red">Red:</FONT> 1.492 - 1.489mm / 0.0587 - 0.0586
<U>Main Bearing Width</U>
H22A4 = .784
H22A = .784
H23A = .784
H23A1 = .784
F22A1 = .784
F22A4= .784
F23A1 = .784
F23A4 = .784
F23A5 = .784
F20B = .784
<U>Rod Bearing Width</U>
H22A4 = .762
H22A = .762
H23A = .762
H23A1 = .762
F22A1 = .762
F22A4 = .762
F23A1 = .609
F23A4 = .609
F23A5 = .609
F20B = .762
<FONT COLOR="green"><FONT SIZE="3">More to come.....</FONT></FONT>
<FONT COLOR="purple"><FONT SIZE="5">Contributors</FONT></FONT>
<FONT COLOR="orange">Thank you to the following for their contributions:</FONT>
PirateMcFred
prelittlelude
<FONT COLOR="pink">Jdogg</FONT>
ZigenBallz
Modified by Innovation at 1:43 PM 5/10/2005
The following users liked this post:
#7
Thread Starter
Re: (2point2)
Added F20B, Added Pirates contributions and recomended corrections
Thanks Pirate
Bearing thicknesses/colors will be added shortly as well
As soon as we can get all the dome volumes I can get started on the compression calculations...
If anyone has anything else to contribute, feel free... The more the merrier
Thanks Pirate
Bearing thicknesses/colors will be added shortly as well
As soon as we can get all the dome volumes I can get started on the compression calculations...
If anyone has anything else to contribute, feel free... The more the merrier
Trending Topics
#9
Thread Starter
Re: (fastludeh22)
Added bearings and seperated the H23A and H23A1 as per FastludeH22's request
I removed the compression calculations portion for now, I will add it later on as dome volume specs become available...
Keep the info/specs coming!
I removed the compression calculations portion for now, I will add it later on as dome volume specs become available...
Keep the info/specs coming!
#11
Thread Starter
Re: (95greenlude)
Working on getting the USDM H22, JDM H22, F20B and H23A1 pistons cc'd...
I will hopefully have all of that soon...
The first of the compression calculations will directly follow
Added block types...
Contributions welcome
I will hopefully have all of that soon...
The first of the compression calculations will directly follow
Added block types...
Contributions welcome
#15
Honda-Tech Member
Join Date: Nov 2002
Location: northern DRUNKit, ma
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Re: The official H/F piston/rod/crank/block specs and CR thread (Innovation)
jesus , where did this ish come from..
combution chamber volume for f22's is 50.5 according to my records
oh the pretty colors are nice
combution chamber volume for f22's is 50.5 according to my records
oh the pretty colors are nice
#16
Thread Starter
Re: The official H/F piston/rod/crank/block specs and CR thread (prelittlelude)
Added the F22 combustion chamber volume for now, awaiting confirmation on that... I think it may be 50cc so Im going to look a little firther into it...
Thanks for the contribution Tom
keep 'em coming
Thanks for the contribution Tom
keep 'em coming
#17
Honda-Tech Member
Join Date: Nov 2002
Location: northern DRUNKit, ma
Posts: 3,969
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Re: The official H/F piston/rod/crank/block specs and CR thread (Innovation)
possible add f20c and compression height for atleast h23 and h22, and add proper way to find compression ratio
f20c
it is 87mm bore
frm cylinder walls
bastard child of f series.
i have 1.3cc for h22 piston dome
-11.55 for f22 dish
f20c
it is 87mm bore
frm cylinder walls
bastard child of f series.
i have 1.3cc for h22 piston dome
-11.55 for f22 dish
#18
Thread Starter
Re: The official H/F piston/rod/crank/block specs and CR thread (prelittlelude)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by prelittlelude »</TD></TR><TR><TD CLASS="quote">possible add f20c and compression height for atleast h23 and h22, and add proper way to find compression ratio
f20c
it is 87mm bore
frm cylinder walls
bastard child of f series.
i have 1.3cc for h22 piston dome
-11.55 for f22 dish</TD></TR></TABLE>
I am going to leave the F20C/F22C out of this thread because I want to make this specific to the prelude Prelude/Accord.
Are the dome H22 and F22 dome volumes measurements/Helms quotes or back calc's?
I dont want to include any back calculations because they are never really as accurite as measuring. I am going to see if I can get all the pistons cc'd so we can have some definitive specs to use. I am working on getting the USDM, JDM H22 and F20B pistons done first and plan to have the rest follow.
f20c
it is 87mm bore
frm cylinder walls
bastard child of f series.
i have 1.3cc for h22 piston dome
-11.55 for f22 dish</TD></TR></TABLE>
I am going to leave the F20C/F22C out of this thread because I want to make this specific to the prelude Prelude/Accord.
Are the dome H22 and F22 dome volumes measurements/Helms quotes or back calc's?
I dont want to include any back calculations because they are never really as accurite as measuring. I am going to see if I can get all the pistons cc'd so we can have some definitive specs to use. I am working on getting the USDM, JDM H22 and F20B pistons done first and plan to have the rest follow.
#19
F20B Rods with F23 Crank???
Ok, this is a little off the wall... I know F20B rods are physically thicker, but if you had them grinded down to .780 on the ends they would fit on an F23 crank... Would they fit in the block if you had a custom <U>short</U> piston... Or would you need a deck plate? That would probably yield a decent r/s and some good displacement...
#20
Thread Starter
Re: F20B Rods with F23 Crank??? (Sam1am26)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Sam1am26 »</TD></TR><TR><TD CLASS="quote">Ok, this is a little off the wall... I know F20B rods are physically thicker, but if you had them grinded down to .780 on the ends they would fit on an F23 crank... Would they fit in the block if you had a custom <U>short</U> piston... Or would you need a deck plate? That would probably yield a decent r/s and some good displacement...</TD></TR></TABLE>
If you took .155 off the BE of the F20B rod you might as well throw the rods away... Also, the puney F23 rod bearings are not what you want for a motor that will do anything more than take you to get groceries...
Ill cover all and everything you ever wanted to know about crank/rod mods/swaps and secrets in another informative thread similar to this one... I should have that up by the end of next week...
Stay tuned, several write ups and informative threads to come
If you took .155 off the BE of the F20B rod you might as well throw the rods away... Also, the puney F23 rod bearings are not what you want for a motor that will do anything more than take you to get groceries...
Ill cover all and everything you ever wanted to know about crank/rod mods/swaps and secrets in another informative thread similar to this one... I should have that up by the end of next week...
Stay tuned, several write ups and informative threads to come
#22
Thread Starter
Re: F20B Rods with F23 Crank??? (Sam1am26)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Sam1am26 »</TD></TR><TR><TD CLASS="quote">I've never head this mentions before but am I to assume that 98+ F22 cranks have 55mm mains just like the jdm H23A???</TD></TR></TABLE>
Is there a 98+ F22?
If so what specific year/model vehicle can it be found in?
Let me know and Ill give my brother whos hard at work over at good ol' Honda a call and do a little part number verification...
Modified by Innovation at 4:01 PM 5/4/2005
Is there a 98+ F22?
If so what specific year/model vehicle can it be found in?
Let me know and Ill give my brother whos hard at work over at good ol' Honda a call and do a little part number verification...
Modified by Innovation at 4:01 PM 5/4/2005
#23
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Innovation »</TD></TR><TR><TD CLASS="quote">
Is there a 98+ F22?
If so what specific year/model vehicle can it be found in?
Let me know and Ill give my brother whos hard at work over at good ol' Honda a call and do a little part number verification...</TD></TR></TABLE>
I guess not, I didn't realize that they only had the 2.2 CL in 97, and then got rid of it for the 2.3 in 98...
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I've been crunching some numbers and H23 crank w/H22 rods, as well as H22 crank w/F20B rods, both some feasible with custom pistons... It only increases both rod/stroke ratios by two hundredths, but that is a slightly better r/s and you have some good displacement there... However, using F20B rods would require having the BE bored out... I know you probably have a million combinations in your head Rick, I've just been thinking about stock rod/crank combos... I haven't begun to think about custom length rods(or B-Series), or even offset grinding cranks...
Is there a 98+ F22?
If so what specific year/model vehicle can it be found in?
Let me know and Ill give my brother whos hard at work over at good ol' Honda a call and do a little part number verification...</TD></TR></TABLE>
I guess not, I didn't realize that they only had the 2.2 CL in 97, and then got rid of it for the 2.3 in 98...
---------------------------------------------------------------------------------------
I've been crunching some numbers and H23 crank w/H22 rods, as well as H22 crank w/F20B rods, both some feasible with custom pistons... It only increases both rod/stroke ratios by two hundredths, but that is a slightly better r/s and you have some good displacement there... However, using F20B rods would require having the BE bored out... I know you probably have a million combinations in your head Rick, I've just been thinking about stock rod/crank combos... I haven't begun to think about custom length rods(or B-Series), or even offset grinding cranks...
#25
Thread Starter
Re: (Sam1am26)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Sam1am26 »</TD></TR><TR><TD CLASS="quote">
I guess not, I didn't realize that they only had the 2.2 CL in 97, and then got rid of it for the 2.3 in 98...
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I've been crunching some numbers and H23 crank w/H22 rods, as well as H22 crank w/F20B rods, both some feasible with custom pistons... It only increases both rod/stroke ratios by two hundredths, but that is a slightly better r/s and you have some good displacement there... However, using F20B rods would require having the BE bored out... I know you probably have a million combinations in your head Rick, I've just been thinking about stock rod/crank combos... I haven't begun to think about custom length rods(or B-Series), or even offset grinding cranks...</TD></TR></TABLE>
You dont want to bore the BE of the rod, if anything you want to turn down the rod journal...
I have a crank mod/rod swap thread in the works that will answer all your questions and then some... That will be the first of several write ups and projects I have coming up for the prelude forum...
I guess not, I didn't realize that they only had the 2.2 CL in 97, and then got rid of it for the 2.3 in 98...
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I've been crunching some numbers and H23 crank w/H22 rods, as well as H22 crank w/F20B rods, both some feasible with custom pistons... It only increases both rod/stroke ratios by two hundredths, but that is a slightly better r/s and you have some good displacement there... However, using F20B rods would require having the BE bored out... I know you probably have a million combinations in your head Rick, I've just been thinking about stock rod/crank combos... I haven't begun to think about custom length rods(or B-Series), or even offset grinding cranks...</TD></TR></TABLE>
You dont want to bore the BE of the rod, if anything you want to turn down the rod journal...
I have a crank mod/rod swap thread in the works that will answer all your questions and then some... That will be the first of several write ups and projects I have coming up for the prelude forum...