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LS/VTEC serious issues..

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Old May 5, 2004 | 06:41 PM
  #1  
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Default LS/VTEC serious issues..

Alright, got my car back from the shop today, not impressed at all.

My car pulled 130.1 @7000 rpm's - Max Power
'' 101.8 @ 7000 rpm's - Max Torque

Something is seriously not going on here..

It's a b16 OBD1 head, a 95 LS bottom, I have AEM CAI, Tanabe Race Medallion Exhaust, B&M FPR, AEM Cam Gears...

but Im running stock cat, stock header.. and only 32psi on the FPR

What could be wrong?

He suggested that it could be automatic cams? But would it take away that much? He told me it should be around 160-70 Max Power -WHP.

I have the dyno chart and the pics if needed..

I feel like Im going to cry, I savedm y *** off for a long time to get this done, now it seems slower then my LS ..somone shoot me

EDIT: the ecu is P28 - P06 equipped for VTEC and Hondata
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Old May 5, 2004 | 07:57 PM
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Default Re: LS/VTEC serious issues.. (Kid RS)

First of all, there is no such thing as "automatic cams." They are the same. (Wouldn't a B16 head not have cams from an automatic anyway?)

Second....umm, well, there is no second. Just wanted to say that. Take it back to the shop and complain more. They should do something about it.
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Old May 5, 2004 | 08:00 PM
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Default Re: LS/VTEC serious issues.. (Kid RS)

if everything is stocck
stock head stock ls block with the low cr pistons
tou should have less whp than a stock gsr
so i say you should have about 140 whp and about 110-115 torque
you numbers are a lil low but there is not was in hell your going to get 170-180 whp when everything stock with the weack b16 cams and low cr
170-180 whp is more like my setup
well my set up should be close to 200whp
but if 170-180 whp is your goes your going to need all the basic bolt ons with some pr3 pistons and itr cams, im, tb, and all the basic stuff
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Old May 5, 2004 | 08:02 PM
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Default Re: LS/VTEC serious issues.. (riceball777)

I didnt mean WHP I meant shouldnt it be 175-80 HP with like 150-60 WHP?
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Old May 5, 2004 | 08:03 PM
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Default Re: LS/VTEC serious issues.. (shamoo)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by shamoo &raquo;</TD></TR><TR><TD CLASS="quote">First of all, there is no such thing as "automatic cams." They are the same. (Wouldn't a B16 head not have cams from an automatic anyway?)

Second....umm, well, there is no second. Just wanted to say that. Take it back to the shop and complain more. They should do something about it.</TD></TR></TABLE>

ummm I think that is wrong.

there is suppose to be like a 5whp difference between automatic cams and manual cams for b16's..

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Old May 5, 2004 | 08:06 PM
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his cr should be about a 9.8 a lil less than a gsr but not that laggy...he should easily be making in the 150's...a mild cam the b16 is it should make somewhat decent power....sounds like to me your not running enough timing...and correct fuel....also a big power loss could be a clogged cat....my suggestions try dynoing it w/o the cat...etc...
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Old May 5, 2004 | 08:07 PM
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Default Re: LS/VTEC serious issues.. (Kid RS)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Kid RS &raquo;</TD></TR><TR><TD CLASS="quote">Alright, got my car back from the shop today, not impressed at all.

My car pulled 130.1 @7000 rpm's - Max Power
'' 101.8 @ 7000 rpm's - Max Torque

Something is seriously not going on here..

It's a b16 OBD1 head, a 95 LS bottom, I have AEM CAI, Tanabe Race Medallion Exhaust, B&M FPR, AEM Cam Gears...

but Im running stock cat, stock header.. and only 32psi on the FPR

What could be wrong?

He suggested that it could be automatic cams? But would it take away that much? He told me it should be around 160-70 Max Power -WHP.

I have the dyno chart and the pics if needed..

I feel like Im going to cry, I savedm y *** off for a long time to get this done, now it seems slower then my LS ..somone shoot me

EDIT: the ecu is P28 - P06 equipped for VTEC and Hondata </TD></TR></TABLE>

Did you do a compression check ?? maybe one of your cylinders is low ??
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Old May 5, 2004 | 08:08 PM
  #8  
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Default Re: (drumking15)

thats my only problem, nearest dyno is 2 hours away, thats where I got it dne.. and I cant keep paying to go back there, its like $100 for 3 pulls, or $160 for 3 pulls and tuning..

Im runnng 32psi of fuel pressure..
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Old May 5, 2004 | 08:13 PM
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Default Re: (Kid RS)

Im checking the compression tomorrow morning, I have to go to school to borrow the meter..
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Old May 5, 2004 | 08:51 PM
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Default Re: LS/VTEC serious issues.. (shamoo)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by shamoo &raquo;</TD></TR><TR><TD CLASS="quote">First of all, there is no such thing as "automatic cams." They are the same. (Wouldn't a B16 head not have cams from an automatic anyway?)
</TD></TR></TABLE>


there is a difference
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Old May 5, 2004 | 09:36 PM
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Default Re: LS/VTEC serious issues.. (blackdude)

why are you running less than stock fuel pressure? 40 psi is stock at idle. you could be running lean.
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Old May 5, 2004 | 09:38 PM
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Default Re: LS/VTEC serious issues.. (blackdude)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by blackdude &raquo;</TD></TR><TR><TD CLASS="quote">
there is a difference</TD></TR></TABLE>

I have done two automatic to manual swaps. I have both sets of cams. I kept my automatic ones in there. I have done numerous tests on them as well as measured the lobes physically. They are the same.

There have been numerous posts about this. The other threads turned to arguments as well. I'm not going to pursue this any further, believe what you want to believe.
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Old May 5, 2004 | 11:25 PM
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Default Re: LS/VTEC serious issues.. (sector9guy)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by sector9guy &raquo;</TD></TR><TR><TD CLASS="quote">why are you running less than stock fuel pressure? 40 psi is stock at idle. you could be running lean.</TD></TR></TABLE>
stock is 38psi
but yeah 32 is way too low
you should set it to atleast 40psi
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Old May 11, 2004 | 02:09 AM
  #14  
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i know stock on a gsr is 42psi...last time i checked
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Old May 11, 2004 | 06:18 AM
  #15  
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Those numbers are lower than your stock ls...Just double check the little things.Make sure timing and fuel is correct.Hp should be around 155-165 .
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Old May 11, 2004 | 07:32 AM
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Default Re: (narib2oo1)

OK a stock gs-r puts down about 140whp. Thats at SEA LEVEL. An lsvtec with a GSR head may be so lucky to get close to those numbers. A b16 head will have less compression then a gsr head. For cams I don't know about obd-1 cams but I know for sure pre-obd b16 auto cams are smaller then the 5 speed ones. About 5hp difference. I would raise the fuel pressure up to 38-40, it will probably yield a few more horses. 160-170whp is probably not going to happen.
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Old May 11, 2004 | 08:54 AM
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Default Re: (Sack Master)

if i was you i would up the fuel,punch the cat,add header,and swap the cams...from what i have seen and felt their is a big difference in the 0b0 auto cams and the newer 5 speed cams...example:my friend had a swap in his crx,it felt pretty slow like it was running out of breath near redline so we added 5 speed cams what a difference that made just my 2 cents
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Old May 11, 2004 | 09:29 AM
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Default Re: (Kid RS)

where are the compression test results ?
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Old May 11, 2004 | 09:30 AM
  #19  
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Default Re: (zilverz)

170 across the board..nothing more then 180 or less then 170..
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Old May 13, 2004 | 02:22 AM
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Default Re: (Kid RS)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Kid RS &raquo;</TD></TR><TR><TD CLASS="quote">170 across the board..nothing more then 180 or less then 170..</TD></TR></TABLE>
thats ball park considering its a 9.7:1 c/r

so 180 would be somewhat ideal....my gsr yields 210-220 and thats 10:1

sounds like its undercam'd...but something else must be wrong...id check the usual suspect for lots of lost power in being the clogged cat possibly?
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