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Who loses power in the top end for greddy SOHC turbo kit????????

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Old 11-07-2002, 07:33 AM
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Default Who loses power in the top end for greddy SOHC turbo kit????????

Some people lose power in the top end, some maintain it. So who's who's?
Old 11-07-2002, 09:00 AM
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Default Re: Who loses power in the top end for greddy SOHC turbo kit???????? (superduperman)

Id have to say my stock exhaust is kill my #'s top end!
Old 11-07-2002, 09:24 AM
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Default Re: Who loses power in the top end for greddy SOHC turbo kit???????? (FredoSP)

Ditto... I even have a stock cat... power feels like it peaks at about 5500, and drops from there.
Old 11-07-2002, 10:08 AM
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Default Re: Who loses power in the top end for greddy SOHC turbo kit???????? (superduperman)

im pretty sure everybody loses power in the top end with the sohc kit. maybe not 'loses power' but at least stops producing more. from what i hear, its just the size of the turbo. up the boost, if you can, and it should help out, thats what ive been told, im only running 7psi on an untuned EMS.
david
Old 11-07-2002, 10:25 AM
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Default Re: Who loses power in the top end for greddy SOHC turbo kit???????? (00TurboEX)

Before the exahust, my top end fell flat on it's face, after the 2.5" DP and 3" catback, it pulled strong all the way to 7500.
Old 11-07-2002, 10:28 AM
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Default Re: Who loses power in the top end for greddy SOHC turbo kit???????? (VTC_boost-less_CiViC)

speaking of which, would anyone happen to know the size of the DP for the SOHC kit???
Old 11-07-2002, 10:48 AM
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Default Re: Who loses power in the top end for greddy SOHC turbo kit???????? (superduperman)

speaking of which, would anyone happen to know the size of the DP for the SOHC kit???
You mean stock? Small as hell like 1.75-2"
Old 11-07-2002, 11:00 AM
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Default Re: Who loses power in the top end for greddy SOHC turbo kit???????? (superduperman)

it felt like it peaked after 5500 but i went with the afc hack and it started pulling alot harder and longer... before with the black box i would peak at 5500 but with the afc hack and higher boost of course i would lose traction in 1st but now i have the efi pms and i'm gonna turn up the boost after i get a 3 bar map sensor so i'll let you know
Old 11-07-2002, 11:13 AM
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Default Re: Who loses power in the top end for greddy SOHC turbo kit???????? (VTC_boost-less_CiViC)

speaking of which, would anyone happen to know the size of the DP for the SOHC kit???

You mean stock? Small as hell like 1.75-2"
You're telling me the DP for a greddy SOHC kit is 1.75 - 2"???????????????
Old 11-07-2002, 11:26 AM
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Default Re: Who loses power in the top end for greddy SOHC turbo kit???????? (superduperman)

On a car i tuned with this kit... there was a quite noticeable drop in power around 5750 rpm, but it would pull to redline nicely with 10 psi...
Old 11-07-2002, 12:23 PM
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Default Re: Who loses power in the top end for greddy SOHC turbo kit???????? (superduperman)

speaking of which, would anyone happen to know the size of the DP for the SOHC kit???

You mean stock? Small as hell like 1.75-2"

You're telling me the DP for a greddy SOHC kit is 1.75 - 2"???????????????
Well.. more like 2" yes.
Old 11-07-2002, 12:33 PM
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Default Re: Who loses power in the top end for greddy SOHC turbo kit???????? (VTC_boost-less_CiViC)

yep it's 2 inches
Old 11-07-2002, 07:20 PM
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Default Re: Who loses power in the top end for greddy SOHC turbo kit???????? (00TurboEX)

im pretty sure everybody loses power in the top end with the sohc kit. maybe not 'loses power' but at least stops producing more. from what i hear, its just the size of the turbo. up the boost, if you can, and it should help out, thats what ive been told, im only running 7psi on an untuned EMS.
david
Bingo, you are right on. That turbo is just too small. The kit is great but the turbo is too small.
Old 11-07-2002, 07:36 PM
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Default Re: Who loses power in the top end for greddy SOHC turbo kit???????? (autoEXturbo)

I thought it was 2 1/4'
Old 11-08-2002, 09:57 PM
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Default Re: Who loses power in the top end for greddy SOHC turbo kit???????? (Hammett)

No, that's the DOHC DPs I believe. The SOHC DPs is definitely 2". And hell, it looks like 2" OD, which would make it even smaller ID. Whatever it is, it's small as hell. My kid uses it as a straw to drink his Kool-Aid.

Weld up a nice 3" DP and you'll be

- Slater
Old 11-09-2002, 12:05 AM
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Default Re: Who loses power in the top end for greddy SOHC turbo kit???????? (Slater)

The turbo is not too small at all. My top end has always been on point (see sig) even with shitty FMU (top end killa!). I'm still running the greddy 2" DP but i have 2.5" straight back not cat no nothing.
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