blox 4" velocity stack gains
#1
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blox 4" velocity stack gains
this particular vehicle is a customers car we tuned last weekend
vehicle setup is as follows
84mm LS/VTEC with 8:1 compression ratio
91 pump octane fuel
SPoolinPerformance 3" downpipe
SPoolin ramhorn
tial 38mm gate
Precision T61 T4 turbo
hallman pro MBC
880cc injectors
Single walboro ( upgrading fuel later)
OEM ITR cams
Redzone Ported head
Supertech valvetrain
victor X turbo manifold
ACT 6 puck extreme clutch
GSR tranny with LSD
tuned on CROME by Redzone Performance
we made multiple runs with the stack on and decided to take the stack off to see if there were any losses. two runs we did without the stack and each exhibited a loss
interesting if you ask me
Last edited by project dc2; 12-09-2008 at 09:32 AM.
#3
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that is some serious boost creep!
we have seen some good gains with velocity stacks on all motor cars. havnt really played with it much on a turbo car. it seems most of the turbo cars we do cant get traction on the dyno as it is lol
we have seen some good gains with velocity stacks on all motor cars. havnt really played with it much on a turbo car. it seems most of the turbo cars we do cant get traction on the dyno as it is lol
#5
Very nice gains, I saw a few whp gain on my built NA gsr, never seen it tested back to back on a turblow car, I also wasn't aware they made a 4" Vstack.
I'll have to get a vstack for my upcoming turbo build and see how it does on the dyno, i'll be sure to do a back to back and post up the info whenever it happens.
I'll have to get a vstack for my upcoming turbo build and see how it does on the dyno, i'll be sure to do a back to back and post up the info whenever it happens.
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back to back runs. wierdly enough the graphs match up just fine everytime i guess you can say its a " controlled" creep hahaha if theres even such a thing
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no arm . no filter. stack directly on the turbo
nothing was on the turbo before the stack
we actually tuned with the stack on and yanked it off to see if there were any differences
we should've probably done it the other way but the purpose of tuning the car wasn't for the sole purpose of seeing the stack work. it was just a last minute thing we did
nothing was on the turbo before the stack
we actually tuned with the stack on and yanked it off to see if there were any differences
we should've probably done it the other way but the purpose of tuning the car wasn't for the sole purpose of seeing the stack work. it was just a last minute thing we did
#13
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Yup, I have done tests with a velocity stack, but it was on a Supra though and not a Honda...
I had done runs with a mesh, K&N filter, then an HKS foam filter, a 4" stack, and then a 12" stack (all stacks had a mesh on it)... Yes, a 12" stack...ROFL The bigger the stack was, the more power it gained! Overall, with a 700WHP power level, the 12" stack gained a total of 20-25 WHP versus any filter or mesh.
Here's a pic of the 12" stack on my Supra:
I am also running a 6" stack on my Integra after knowing the results from the Supra:
I had done runs with a mesh, K&N filter, then an HKS foam filter, a 4" stack, and then a 12" stack (all stacks had a mesh on it)... Yes, a 12" stack...ROFL The bigger the stack was, the more power it gained! Overall, with a 700WHP power level, the 12" stack gained a total of 20-25 WHP versus any filter or mesh.
Here's a pic of the 12" stack on my Supra:
I am also running a 6" stack on my Integra after knowing the results from the Supra:
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nice test ! but i will keep my filter i have run 3 week with a mesh and i have find small stone and sand in my turbo sooo at the price of the turbo i will make all possible to keep it work the moore time i can my .3 cent
#15
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I guess I've been lucky. I'm running 2.5inch piping from my turbo to behind my headlight where there is a 2.5inch v-stack that I had laying around mounted. I've never had a issue.
Car is daily driven aswell.
I'm upgrading to a 35r from the 50trim so I think I may need a blox v-stack.
Thanks for posting this.
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either way thank you project dc2 for sharing the info, i will certianly pass it on to my friend who is building a race only car
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for sure the racer and moding population need moore guy like you who take the time to make test thank you like some said i will less dummy tonight i have fun to talk in english hahaha
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im sure you could purchase a filter to be ran on the velocity stack and still have great gains
you just need a K&N with a 6 inch inlet
the blox ones have filters too but i didnt try to fit one in because it looked tight
you just need a K&N with a 6 inch inlet
the blox ones have filters too but i didnt try to fit one in because it looked tight
#22
Man U FTW
Do you have a link to where i could buy one of these?? I haven't had my car tuned yet and would love to use one when i get it done. I could even offer up some comparative dyno tuning to show the gains...
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Is there any speculation as to exactly what causes this bell make more power up top? Does it allow the air to enter the compressor with less turbulence? I have a 4" pipe 90'd out of my turbo and it goes out into my front bumper, wouldnt mind running it out my high beam and putting one of these in its place though.