Honda/Acura Tech Honda tech discussion.

how much boost for a sohc

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Old Jan 12, 2005 | 05:44 PM
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Default how much boost for a sohc

I was wondering what is a safe amount of boost to run on a sohc with stock internals.

alll i have is:

turbo
cam gear
exhaust
and in a week or so a stage two cam from skunk 2
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Old Jan 12, 2005 | 06:08 PM
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Were going to run 6psi in the beginning stages until we get a little more set on what we can do dude. Your keeping the stock cam for now, that stg. 2 will be unnessesary right now. Right now we need to get those si injectors from marky or some dsm's, an FMU, OR a V-AFC, until I get some uberdata lined up, and a obd2-obd1 harness, and a p28. Im not sure what fuel mods well be doing in the beginning so were gonna go from 6lbs.
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Old Jan 13, 2005 | 08:18 AM
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I would reccomend a afc/vafc & 450cc injectors over the FMU. but uberdata is better than both. the amount of boost is dependant on the size of the turbo. 5 psi on a small turbo is not the same as 5 psi on a big turbo. boost to 200whp with some tunning and she'll be safe and fast.(for a single cam)
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Old Jan 13, 2005 | 08:57 AM
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Originally posted by juiced2ndgenteg
boost to 200whp with some tunning and she'll be safe and fast.(for a single cam)
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Old Jan 13, 2005 | 11:23 AM
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ran a fmu w/ stock injectors and stock fuel pump on a single cam del sol and never had any fuel issues. now thats for your low boost whenever u get ready to crank up the boost then i would setup the uberdata
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Old Jan 13, 2005 | 07:03 PM
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so DSM injectors work on my sohc vtec???
-im going to run 10lbs.. but start off with 7 on manual boost controller
edit: also, anyone ran a VX tranny on boost. i have a mint condition vx tranny im going to throw on. its got long gear ratios. any expirience.?
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Last edited by JDM-Civic-Coupe; Jan 13, 2005 at 07:06 PM.
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Old Jan 14, 2005 | 01:40 PM
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i know my frien had a vx tranny on his 1.6 vtec and ran the quarter mile in second gear!!! I think he had to shift into 3rd right at the line.!!!!! So unless ur putting down some wicked power to get through those guys I'd think of tryn to find a different tranny. Just my $.02
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Old Jan 14, 2005 | 04:29 PM
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im running 10psi on my jdm d15b vtec. Stock D-series engines are good for about 230hp max with a good tune.
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Old Jan 14, 2005 | 04:37 PM
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i wouldnt even run any boost unless you have an fmu or some kind of fuel supplment i ran boost with no added fuel and blew the motor in two days
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