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How much boost are you guys running?

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Old 09-09-2005, 09:52 AM
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Default How much boost are you guys running?

How much boost do u guys run in here who have a procharger kit? I plan on running a forgered 402 with afr 225cc heads and a D-1sc supercharger. just wondering what number you guys are getting out of ur procharged cars?
Old 09-09-2005, 10:21 AM
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Planning on 10-12 and hopefully 600 rwhp
Old 09-09-2005, 12:17 PM
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Yea i was planning on 9 and hopeing to get around 550 at the wheels
Old 09-09-2005, 05:05 PM
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Running 22 psi at the moment will be stepping up to 30 psi waiting for pulley.

950rwhp on pump gas @22psi
Old 09-12-2005, 06:57 AM
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Do is the car your running 30 PSI in still street legal
Old 09-12-2005, 07:22 AM
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Originally Posted by z28adiction
How much boost do u guys run in here who have a procharger kit? I plan on running a forgered 402 with afr 225cc heads and a D-1sc supercharger. just wondering what number you guys are getting out of ur procharged cars?
http://www.exoticperformanceplus.com...Car.php?car=27
Check out the car above. Bob
Old 09-12-2005, 08:35 AM
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running 8 lbs 560hp on a stock bottom end and no heads.
Old 09-12-2005, 09:01 AM
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ss leadfoot those are the exact type of numbers im looking for from all the responses it looks liek should reach my goal. If any of you guys want to see everythign I want to to under the hood i have posted it under ls1 and ls6 internal just click search and then search the forum for my name. the title is how is this setup for my future 98 z28. Comments are always welcome and incouraged
Old 09-12-2005, 09:30 AM
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streal legal? what does that have to do with boost? lol

i run 20 psi but its a vortech YSi blower in a 383.
Old 09-12-2005, 09:45 AM
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i know boost has nothing to do with a car being street leagal i was just wondering if that car was a street car or a car he uses for strictly racing
Old 09-12-2005, 09:48 AM
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Pushing 8 to a good 9psi, on a stock block. 540hp 533tq.

With your plans forged and AFRs you could do even better.
Old 09-12-2005, 09:56 AM
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618HAWK nice numbers. It would be awesome if i was around the 580 hp and and 600ft tg
Old 09-12-2005, 10:00 AM
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These are most of my plans for the car:

-SLP zl402 short block low compression 9:1 compression
-AFR 225cc heads with rev kit and roller rockers
-procharger d-1sc kit with new bigger intercoolers
-comp cams XR269HR-14LS1 Hydraulic roller camshaft .525/.532 lift with 114 degree seperation 1300-6300 rev kit
-quicktime performance headers and timing chain cover with larger oil pump
s-lp heavy duty timing chain
-fast 90/90 set up with ls1speed fuel package set up thinking about buying fast fuel rails intead of the ls1speed ones.
-Be cool radiator to cope with the procharger overheating problem ive heard about.
-going to upgrade to 55 lbs injectors from the 45 lbs ones that come with the procharger kit
-Borla cat back exhaust
-MOser 12 bolt with posi and 33 spline axles and carbon fiber drive shaft
-msd blaster coils with msd wires and NGK TR6 plugs fir a cooler spark
- i plan on installing a full BMR chassis setup later on.
Old 09-12-2005, 10:21 AM
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All sound good, I would ditch the fast 90/90 though, spend the money somewhere else. Not a good bang for the buck with F/I yes for N/A

Make Sure you include a ATI superdampner and 8 rib drive. Take those Fast $$$ and put them towards SDCE tensioner setup.


Hope you are not going to run your stock clutch............
Old 09-12-2005, 12:44 PM
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Yea i have been wavering on the Fast 90/90 set up ive heard the ls6 manifold is one of the best pieces you can buy by many LS1 engine builders and ive heard that there are much better 90mm throttle bodies out there, i jsut dont know how there fuel rails are.
And also are LS1 seed products quality and reliable.
Old 09-12-2005, 01:37 PM
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why so low rpm?
Old 09-12-2005, 02:38 PM
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Originally Posted by z28adiction
These are most of my plans for the car:

-SLP zl402 short block low compression 9:1 compression
-AFR 225cc heads with rev kit and roller rockers
-procharger d-1sc kit with new bigger intercoolers
-comp cams XR269HR-14LS1 Hydraulic roller camshaft .525/.532 lift with 114 degree seperation 1300-6300 rev kit
-quicktime performance headers and timing chain cover with larger oil pump
s-lp heavy duty timing chain
-fast 90/90 set up with ls1speed fuel package set up thinking about buying fast fuel rails intead of the ls1speed ones.
-Be cool radiator to cope with the procharger overheating problem ive heard about.
-going to upgrade to 55 lbs injectors from the 45 lbs ones that come with the procharger kit
-Borla cat back exhaust
-MOser 12 bolt with posi and 33 spline axles and carbon fiber drive shaft
-msd blaster coils with msd wires and NGK TR6 plugs fir a cooler spark
- i plan on installing a full BMR chassis setup later on.


The problems i see here since ive done it and moved on......

The D1-SC is going to run out of steam... ie not going to be enough if you ever plan on pushing for more then 550rwhp.....
2nd
why are your running a cam that small and with that little lift in a motor that huge and heads that can flow that well??? it a waste.....
The Fast stuff is a big waste sospent your $$ on a LS6 intake and the rest some where else...
another... why are you going to waste yourmoney again onthe quicktime timing cover...... u plan on changing cams each week??? thats what its for.... so the balancer doesnt have to come off each time you change the cam....
When you order the short block have themKey the crank so the balancer doesnt spin on the crank.... or have them pin it.
Use the Motron 60# fuel injectors... there pretty easy to tune....
and the number one thing is get a good tuner...... the tune is what will make or break you.

I recommend SDCE's spring tensioned 8 rib setup if you dont want belt slip....

Kyle
Old 09-12-2005, 03:10 PM
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Originally Posted by NA$TY-TA
The problems i see here since ive done it and moved on......

The D1-SC is going to run out of steam... ie not going to be enough if you ever plan on pushing for more then 550rwhp.....
2nd
why are your running a cam that small and with that little lift in a motor that huge and heads that can flow that well??? it a waste.....
The Fast stuff is a big waste sospent your $$ on a LS6 intake and the rest some where else...
another... why are you going to waste yourmoney again onthe quicktime timing cover...... u plan on changing cams each week??? thats what its for.... so the balancer doesnt have to come off each time you change the cam....
When you order the short block have themKey the crank so the balancer doesnt spin on the crank.... or have them pin it.
Use the Motron 60# fuel injectors... there pretty easy to tune....
and the number one thing is get a good tuner...... the tune is what will make or break you.

I recommend SDCE's spring tensioned 8 rib setup if you dont want belt slip....

Kyle
Not to get off track here but why and how do you feel the D1 will "run out of steam" around 550. I am currently making 540 with a stock block and only 9psi. Have friend making 625-650 with a h/c setup, he to pushing 9psi. I am sure he and I both could squeez a few more psi out of the D1, with no problem provided there were to be no belt slippage problems.

Also had another F/I buddy making just over 600 on a P1 but it was at its limits.
Old 09-12-2005, 03:32 PM
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Some people have recommended going wiht the D-1 kit but upgrading the supercharger to an F1, and i do want to run a more aggressive cam. For the quick time cam cover you need to buy that they say to fit in tehre larger oil pump. I am not goign to go with the 90/90 fast setup im jsut going to go with the ls6 manifold, and putting the money towards BMR suspension parts.
Old 09-12-2005, 05:20 PM
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Are JE pistions teh best pistons you can buy for the LS1 N/A FI and what are good rods fo rboosted aplications


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