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2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

Ported lower intake.....

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Old 11-07-2008, 06:05 PM
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Originally Posted by -Jayson-
porting an intake manifold will actually raise IAT temps,
No. They drop.

Originally Posted by -Jayson-
Also you should see an increase in boost because the boost pressure is measured after the laminova cores, removing the restriction will allow more boost to build after the cores.
No. It drops. My dropped about .25psi.
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Old 11-07-2008, 06:13 PM
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Originally Posted by ebristol
No. They drop.



No. It drops. My dropped about .25psi.
Do you have any hp changes?
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Old 11-08-2008, 12:33 AM
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Originally Posted by Omega_5
I sure hope that wasn't directed over here....
if you're thinking the statement was directed at you then no. But when less restriction = more boost then common sense is not being applied by the person who made the statement.
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Old 11-21-2008, 04:17 PM
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bumpage
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Old 11-21-2008, 04:44 PM
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seriously...
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Old 11-21-2008, 04:46 PM
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mines in the mail.... yay
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Old 11-21-2008, 04:58 PM
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did I mention I hate you... just thought I'd say that. You better post the results for me.
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Old 11-21-2008, 05:10 PM
  #108  
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You guys make me wanna keep my car...
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Old 11-21-2008, 05:16 PM
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watching this thread.
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Old 11-21-2008, 05:51 PM
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Originally Posted by Deathscythe
did I mention I hate you... just thought I'd say that. You better post the results for me.
ill post them... i need to start my winter project, then i will go to the dyno and get tuned.
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Old 11-21-2008, 11:49 PM
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alright, but only if you promise. lol
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Old 11-22-2008, 12:04 AM
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Originally Posted by -Jayson-
no wrong

porting an intake manifold will actually raise IAT temps, when you port the intake manifold you decrease the amount of time the air spends moving through the laminova cores spends being cooled, you also increase the amount of air going past the cores. Also you should see an increase in boost because the boost pressure is measured after the laminova cores, removing the restriction will allow more boost to build after the cores.
you're forgetting that compressing a gas causes it to create heat regardless of the cores. Less compression is less heat.
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Old 11-22-2008, 09:16 AM
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Originally Posted by Deathscythe
alright, but only if you promise. lol
ill also be putting on a h/e and new i/c pump, installing my meth kit that is tapped into the ported manifold.... lots of work to do
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Old 11-22-2008, 10:12 AM
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not going in for a ported head?
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Old 11-22-2008, 05:00 PM
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Originally Posted by Deathscythe
not going in for a ported head?
not this winter
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Old 11-22-2008, 05:05 PM
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Originally Posted by USMCFieldMP
You guys make me wanna keep my car...
don't keep it. many better options out there + gm running into the ground while the top 10 execs are pulling in over a billion dollars in bonuses every year EVEN THOUGH THE COMPANY IS RUNNING INTO THE GROUND

screw a bunch of chevy
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Old 11-25-2008, 10:56 PM
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received mine today... and i have to say, great quality work. +1 for ott
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Old 11-25-2008, 11:26 PM
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looking forward to the results and dyno numbers
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Old 11-26-2008, 01:34 AM
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Originally Posted by CobaltSS 16
looking forward to the results and dyno numbers
I second that. If I feel they perform enough, I will jump in. Oh, and good job OTTP for helping us cobalt guys out. Thanks
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Old 12-04-2008, 10:21 AM
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It appears that the outlet slits from the IC are opened up. Am I seeing that incorrectly?
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Old 12-04-2008, 10:26 AM
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can we see the dyno sheets on this? Also how about a stock m62 blower instead of a TVS blower?
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Old 12-04-2008, 11:10 AM
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Originally Posted by Zooomer
It appears that the outlet slits from the IC are opened up. Am I seeing that incorrectly?
Yes you are seeing correctly.

Originally Posted by PhantomSS
can we see the dyno sheets on this? Also how about a stock m62 blower instead of a TVS blower?
It has been done on a m62, the gains were meger 5 whp, as far as cooling goes the gains were much much better about a 24* drop in iat's.
Last edited by lsjwannabe; 12-04-2008 at 11:10 AM. Reason: Automerged Doublepost
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Old 12-04-2008, 11:13 AM
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Originally Posted by lsjwannabe
Yes you are seeing correctly.



It has been done on a m62, the gains were meger 5 whp, as far as cooling goes the gains were much much better about a 24* drop in iat's.
bout what i expected. im going to do dyno steps with the single pass im when i get the head on to see what kind of gains they do.
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Old 12-04-2008, 11:16 AM
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The intake manifold is not that large of a restriction on the m62 in terms of flow, it does not disapate heat the best though.
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Old 12-04-2008, 11:23 AM
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Originally Posted by lsjwannabe
The intake manifold is not that large of a restriction on the m62 in terms of flow, it does not disapate heat the best though.
well yea, since the head is the bottleneck (imo, dynos will prove it). Also it was said that you need free flowing exhaust for the gains. More reason why i think the head is the bottleneck since the exhaust loses power over 3 inch on the stock m62.

i have a hunch this IM will make an extra 15 whp on a ported+rebuilt head.
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