slowcarguy

I picked up a d17 crank from a 01 civic DX and just for fun I brought it home to fit in my bare d16y8 block. Wouldn't you know it, it fits. But not of course without some problems.

1: you need to use the D17 oil pump because the snout on the crank is much thicker then the y8 crank. No problem because it actually bolts on like a champ. (new problem, there is no accomadation for a dip stick because while the y8 pump has a hole in it for the dipstick this new d17's pump does not.

2: In their infinite wisdom, honda has now made the already inferior d-series rods "thinner" thus compelling one to have the rods "trimmed up" on the sides. Not a problem because I was going to have to do that with the B-series rods that were going in there.

Overall this is a great discovery. The bore on the d17 is the same so they had to have gotten the extra 100cc's through the crank. I'd like to think that I'm the 1st one attempting this build.

Now the questions as to what the actual stroke of this crank is so I can figure out what pistons to use. I'm planning on a nice strong y8 setup with a little more umph. The Y8 head is on the table awaiting some homegrown porting and polishing once I finish up the bottom end. I've got d15b7 pistons and a set of d16a1 pistons as we speak, who knows if it will all clear. Time to find the clay!

I'll post picts when I get home from work.

altoid

well i thought they opened up the bore but i suppose i was wrong so its probably a 96mm or 96.5mm stroke. So assuming your rods are 137mm, which would give you a 1.43:1 r/s ratio which would make some nice torque, your only bet on pistons are ones which have a 27mm compression height or less. The PMS (01-03 GX pistons) have a piston deck clearance of 0 with a 1.5mm dome and you'd have a 12.96:1 compression ratio. good luck

slowcarguy

I found that the stroke is 94.4 mm.
I'd like to find out exactly what pistons/rods might be worth going with. I do appreciate the info on the GX pistons, I saw a few pics of them on HT and they were pretty dished.

~Alex

sporkcrx

Sweet project

altoid

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by slowcarguy &raquo;</TD></TR><TR><TD CLASS="quote">I found that the stroke is 94.4 mm.
I'd like to find out exactly what pistons/rods might be worth going with. I do appreciate the info on the GX pistons, I saw a few pics of them on HT and they were pretty dished.

~Alex</TD></TR></TABLE>

really? cuz from what i've read each gen has a pretty big dome on them

theSYNDICATE

We need more "trial member/newbs" like you who actually post useful info.

slowcarguy

http://www.heeltoeauto.com/dseries/dseries1.html For some good home-grown info.






~Alex


Modified by slowcarguy at 12:12 PM 12/22/2003

red1997civic

good luck on your project, thanks for the info

michael O

keep us updated. I'm a bseries guy myself but this project intrigues me.

PLZstealMYcar

I would like to know how you are going to port that head? Are you going to use a DREMIAL? Or do you have a shop? I say this b/c I am guessing that Home-grown means do it yourself?

4-LIF3

slowcarguy

I do everything myself. Yes, a dremel or die grinder is in my future! Actually, I have a roto-zip that I prefer and I use 1/4" shank attachments. It will be my first time doing a head. I'm a little anxious however I think it'll go very well. Thats what the search button is for. I'm looking at using the d17 rods and pistons because the compression height is the smallest of all the d-series pistons of 27mm vs. most other d-series pistons which are closer to 30mm. The 13010-plr-a00 (01 DX pistons) are about $35 and I will need one replacement rod (13210-plm-a00) for about $88. I'm not too happy about the price but its certainly much cheaper than aftermarket.

Does anyone know what rings I can use with this setup? I know 1988-1995 rings are the same but in 1996-2000 they went to a slightly different set of rings. I'm hopeful that the 01+ rings will be similar/the same as the 96-00 rings(simply because I stock them here at my work)

~Will keep y'all posted
~Alex

slowcarguy

Update, I decided to get a set of p28 pistons with rings...new, I couldn't argue with the price, $20 a piece. We'll see if I can make these work. I like the deep valve reliefs. I think I may have to machine the crown of the piston down however.
~Alex

slowcarguy

Well, it's in and runs like a top. I've officially gotten 65 miles on it so far.
Too bad I didn't engerave d17y8 on the block before I finished.

I'd like to snap some shots of the install. I had to make a smal bracket for the "y8 style" dip stick that I had to install. read: drill through oil pump....JB weld

The swap went flawlessly. I'm using a stock flywheel with a dual diaphram pressure plate and an aggressive street disc. This coupled with a 1993 Si trans that I rebuilt a few days ago it seems to be pretty peppy. I've also got a set of DC headers plumbed into that wonderful stock 1995 cx exhaust. The only reason I posted this in here is because of the swap friendly d-series.

OH, and as an alternative oil filter to bump up the oil pressure for our high revving d-series, pick up an oil filter for an insight.

Its even smaller then the 01 civic's.

~Alex

I Gotta Question

so you used the rods and crankshaft from the D17?

how long are the rods?

I assume if the stroke is 94.4 then the rods are about 132.6mm thats assuming that the deck height of a D17A2 is 212mm if that being true why the issue with piston to deck clearance?

I too am wanting to use the D17 crank but not too sure if its worth it since those rods are so puny. can you help me out with some of the measurements and c/r of your setup?

michael O

You should dyno it.

I Gotta Question

bump for some answers

onePOINTsix

the PDN (GX) pistons are a 2.5mm dome and have a 21mm pin so you cant use normal D16 rods (18mm pin)

^jefs0ng

Word sounds awesome.

slowcarguy

So, here we go. I'm just going to link to alternative honda, I continued to update it more then this link. http://pub161.ezboard.com/fbse...topic

It runs great.

Those GX pistons are great however you gotta use some b-series rods because the wrist pin is 21mm as opposed to our lowly 19mm d-series ones.

The D17 rods are slightly thinner at the crank end however not in any load bearing way. I'm pretty sure they're just as strong as a Y8 rod. Side by side, the d17 and d16 has the same legnth rods. The crank is responsible for the extra stroke. If you had longer rods it would go farther up in the cylinder but it wouldn't go as far down....therefore it wouldn't change the displacement. You either increase bore or increase stroke with a crank.

~Alex

I Gotta Question

awesome, great info, Im just mad that you beat me too it, ive been wanting to do that for the longest, but I procrasinate too much, Update after around every 1000miles

ImportHatch

nice work man.

Yager-

I Gotta Question

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by slowcarguy &raquo;</TD></TR><TR><TD CLASS="quote">Side by side, the d17 and d16 has the same legnth rods. The crank is responsible for the extra stroke. If you had longer rods it would go farther up in the cylinder but it wouldn't go as far down....therefore it wouldn't change the displacement. You either increase bore or increase stroke with a crank.

~Alex</TD></TR></TABLE>
I dont get it I thought that if you lenghen the stroke then the rod will go down further and up further, thats why I thought that the rods would be a little shorter but more like 135 or so you know what i mean that way it would go down further in the cylinder and come up to the deck and not further.

xci_ed6

The rods will be slightly lighter, so they should be great for NA, stock rods have MORE than enough strength for NA anyway.

-Dustin

slowcarguy

The rods are the same legnth, if you'll notice, the compression height on the d17 pistons is only 27mm and thats about 3mm shorter then most d16 pistons.

~Alex

PS.....I've got my eye on another d17 from my buddy who works at Honda here in Vegas. Give it about a week for the insurance people to come look at it and it's mine!!

I Gotta Question

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by slowcarguy &raquo;</TD></TR><TR><TD CLASS="quote">
PS.....I've got my eye on another d17 from my buddy who works at Honda here in Vegas. Give it about a week for the insurance people to come look at it and it's mine!!

</TD></TR></TABLE>
I'll trade you a A6 crank and head