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h2b low numbers

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Old Aug 14, 2008 | 08:10 PM
  #1  
randomnineh2b's Avatar
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Default h2b low numbers

well after a long time of waiting to get it tuned my h2b setup is as follows....

stock h22A block
stock h22 manifold butterfly plate removed
ssr header
skunk2 pro 1's
3 inch exhaust straight to a flowmaster muffler(very loud)

and the issues that im having is that i have numbers like a damn bseries 180whp, 139ft pounds of torque, and i got some blow by im thinking coming from the breather, which makes no since since it is a stock block,

temp was 104 f,
humidity was 11%
tuned by witfield racing so if you got any suggestions it would be much appreciated
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Old Aug 14, 2008 | 09:04 PM
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Default Re: h2b low numbers (randomnineh2b)

wow that is low . .

compression test done ?

Rings may be bad - leakdown test should be done . .

Were the cam gears messed with at all? i know the pro series cams dont like to stay at 0,0
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Old Aug 14, 2008 | 10:38 PM
  #3  
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Default Re: h2b low numbers (2fastGSR)

Sorry bro i feel your pain.. hope your test come out good...
What type of magnaflow exhuast do you have and how long is the muffler and piping...?
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Old Aug 15, 2008 | 03:10 AM
  #4  
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Default Re: h2b low numbers (cdownin)

do you have a vac guage by any chance?
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Old Aug 16, 2008 | 08:29 PM
  #5  
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Default Re: h2b low numbers (2fastGSR)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jdm_ef9 &raquo;</TD></TR><TR><TD CLASS="quote">do you have a vac guage by any chance?</TD></TR></TABLE>

no i actuallty dont which sucks

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by cdownin &raquo;</TD></TR><TR><TD CLASS="quote">Sorry bro i feel your pain.. hope your test come out good...
What type of magnaflow exhuast do you have and how long is the muffler and piping...?</TD></TR></TABLE>

yea man it sucks to have low numbers like that when your expecting something a little higher, ie torque, but its just a flowmaster, and i got 3 inch straight pipe, may be why im losing torque but i heard only good things about the 3 inch setup

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 2fastGSR &raquo;</TD></TR><TR><TD CLASS="quote">wow that is low . .


compression test done ?

Rings may be bad - leakdown test should be done . .

Were the cam gears messed with at all? i know the pro series cams dont like to stay at 0,0 </TD></TR></TABLE>

yea i did a compression test and i got 1=220 2=195 3= a whopping 150 4=190, so basically i dont know wat else would cause this poor compression except valves not seating properly, or i got bad rings i will be performing a leakdown test soon, so thanks for the advice, oh and by the way the cams are at 0,0 so that may be a issue as well, but rite now the compression is wats bothering me
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Old Aug 16, 2008 | 09:10 PM
  #6  
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Default Re: h2b low numbers (randomnineh2b)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by randomnineh2b &raquo;</TD></TR><TR><TD CLASS="quote">well after a long time of waiting to get it tuned my h2b setup is as follows....

stock h22A block
stock h22 manifold butterfly plate removed
ssr header
skunk2 pro 1's
3 inch exhaust straight to a flowmaster muffler(very loud)

and the issues that im having is that i have numbers like a damn bseries 180whp, 139ft pounds of torque, and i got some blow by im thinking coming from the breather, which makes no since since it is a stock block,

temp was 104 f,
humidity was 11%
tuned by witfield racing so if you got any suggestions it would be much appreciated </TD></TR></TABLE>

the torque is low for a h

we had a problem like that before
but the power was 165whp and 157 tq

compression comes out 180 in every hole
goes up with a wet compression test over 220
leak down test showed over 30% lost and all the air comes out of the dipstick tube
-turn s out to be all cracked ring lands (motor was turbed before untuned )
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Old Aug 17, 2008 | 07:03 AM
  #7  
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A healthy stock h22a motor should have a compression of 230 all cylinders..
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Old Aug 17, 2008 | 07:15 AM
  #8  
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Default Re: h2b low numbers (randomnineh2b)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by randomnineh2b &raquo;</TD></TR><TR><TD CLASS="quote">
yea i did a compression test and i got 1=220 2=195 3= a whopping 150 4=190, so basically i dont know wat else would cause this poor compression except valves not seating properly, or i got bad rings i will be performing a leakdown test soon, so thanks for the advice, oh and by the way the cams are at 0,0 so that may be a issue as well, but rite now the compression is wats bothering me</TD></TR></TABLE>


unhealthy engine = unhealthy results. No amount of money in parts and tuning is going to change that. Fix the motor, fix the results.
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Old Aug 17, 2008 | 07:36 AM
  #9  
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Default Re: h2b low numbers (00Red_SiR)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 00Red_SiR &raquo;</TD></TR><TR><TD CLASS="quote">


unhealthy engine = unhealthy results. No amount of money in parts and tuning is going to change that. Fix the motor, fix the results.</TD></TR></TABLE>

x1000

I dont like the one cylinder being as low as you reported. .

Also- Pro series cams dont like to stay at 0,0 usually. They didnt mess with the cam gears at all?
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Old Aug 17, 2008 | 09:00 AM
  #10  
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Default Re: h2b low numbers (2fastGSR)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 2fastGSR &raquo;</TD></TR><TR><TD CLASS="quote">

x1000

I dont like the one cylinder being as low as you reported. .

Also- Pro series cams dont like to stay at 0,0 usually. They didnt mess with the cam gears at all?</TD></TR></TABLE>

i agree with what your saying but he shouldnt even be messing with cam timing before the compression issue is resolved, its just gonna be a big waiste of time lol. after the compression is up to par??? lol then retune with cam timing adjustment...
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Old Aug 17, 2008 | 10:55 AM
  #11  
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Default Re: h2b low numbers (high_revs)

I wasn't saying that he should. No where in my post did i say go back to the dyno and try adjusting them before you fix the major issue . .

Was merely pointing out the fact that the pro series cams don't like to stay at 0,0

I believe rosko picked up quite a bit of hp by moving them around on his setup.

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Old Aug 17, 2008 | 11:00 AM
  #12  
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think the 3in exhaust is a little extreme for a mild setup like that. Go 2.5 and you should see some tq numbers go up. After you fix your compression
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Old Aug 17, 2008 | 11:08 AM
  #13  
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Default Re: (Horseofcourse)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Horseofcourse &raquo;</TD></TR><TR><TD CLASS="quote"> think the 3in exhaust is a little extreme for a mild setup like that. Go 2.5 and you should see some tq numbers go up. After you fix your compression</TD></TR></TABLE>

That would be incorrect sir. . .

Every H22 i have ever dyno'd or have seen dyno has benefit from a 3 inch exhaust. . .

Not saying you are, but you cant look at a stock h22 like you can a b16/18. Bigger motors flow more air and can use the larger exhaust to its advantage. . .

There are a few h22 3 inch exhaust dyno comparisons laying around and they all show increase in both hp and tq over a smaller exhaust.

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Old Aug 17, 2008 | 11:19 AM
  #14  
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Default Re: (2fastGSR)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 2fastGSR &raquo;</TD></TR><TR><TD CLASS="quote">

Every H22 i have ever dyno'd or have seen dyno has benefit from a 3 inch exhaust. . .

Bigger motors flow more air and can use the larger exhaust to its advantage. . .

There are a few h22 3 inch exhaust dyno comparisons laying around and they all show increase in both hp and tq over a smaller exhaust.

</TD></TR></TABLE>

Very true!
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Old Aug 17, 2008 | 12:30 PM
  #15  
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thanks alot guys for all the help, and yea motors comming out soon got to get it done up, the rite way this time, but the problem is the valves are not seating rite so i got to pull the head off and take it to get done up, i did a leakdown test and it was good
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Old Aug 17, 2008 | 01:32 PM
  #16  
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Default Re: (randomnineh2b)

valve seals are defintiely a wise investment for how cheap they are
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Old Aug 17, 2008 | 09:16 PM
  #17  
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Default Re: (2fastGSR)

i would recommend to degree in the cams. you can pick up some extra hp by doing this technique. good luck!
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Old Aug 18, 2008 | 02:23 PM
  #18  
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Default Re: (Horseofcourse)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Horseofcourse &raquo;</TD></TR><TR><TD CLASS="quote"> think the 3in exhaust is a little extreme for a mild setup like that. Go 2.5 and you should see some tq numbers go up. After you fix your compression</TD></TR></TABLE>

never...i always made good power from 3" exhaust on an H...
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Old Aug 18, 2008 | 02:43 PM
  #19  
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Default Re: (high_revs)

attarco motor?
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Old Aug 18, 2008 | 03:48 PM
  #20  
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got the head off mise well do pistons and rods just in case plus more power to you setup
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