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GTO twin turbo...

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Old 01-31-2007, 11:37 PM
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Default GTO twin turbo...

Well, after some time of playing around, we wound up building a twin kit with a few tricks in it. Its an LS2 stock bottom end for now with afr 225's and a small camshaft. The camshaft is not 200% optimal for the turbos, but does great with the amount of boost on the car right now. If we build a high hp motor later, then maybe we will change it again. We will see. The boost comes in pretty quick and carries quit nicely. The boost hits about 8.8-9 psi in the middle and drops down to about 7.6 on the top end. Enjoy.

No, its not flywheel either.

Rick



Old 01-31-2007, 11:48 PM
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The yellow one?
Old 01-31-2007, 11:53 PM
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Originally Posted by ninetres
The yellow one?
nope, different one.

Rick
Old 02-01-2007, 12:08 AM
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Originally Posted by Rick@Synergy
nope, different one.

Rick
Nice numbers

It might of made as much as mine made at 10 psi

Can't wait to come see you in a few weeks to get my tune dialed in for more pressure!
Old 02-01-2007, 01:49 AM
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great numbers! these LS2 bottom ends are bombproof! there is a guy on the vette forum that was making about 750rwhp on the stock bottom end!

but ppllleeaasseeee cna we have some picks???????

thansk Chris.
Old 02-01-2007, 01:53 AM
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Yes, some pics would be nice....That graph is like looking at the cake but not being able to eat it!
Old 02-01-2007, 09:08 AM
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Ya can't say turbo without some turbo specs......lol....

Nice power curve at low boost....must be efficient.
Old 02-01-2007, 09:20 AM
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GT3071's with some tricks.

Pics will be done when all the pipes dont look like the mock up pipes.

Rick
Old 02-01-2007, 12:30 PM
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when your ready for a built ls2 let me know,because ive got one at mach shop still in bag thats rated to 1000hp 9 to 1cr diamond coated pistons calli compstar h sereis rods keyed crank have 5200 inv. willl let go for 4000 and will even take off another150 to ship 3850 and this is a short block with new ati super dampener and new tci auto flywheel this 2 iteams alone cost 800 solet me know barnat 724 869 9643.
Old 02-01-2007, 05:19 PM
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Those are nice numbers but I'd like to see some mustang or dynojet numbers instead.
Old 02-01-2007, 07:42 PM
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nice !!! when did you get a psi reader?
Old 02-01-2007, 07:53 PM
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those are some good #'s

Old 02-01-2007, 08:00 PM
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Originally Posted by Mr_president
nice !!! when did you get a psi reader?
A boost input on a dyno should be standard when dealing with FI. I got one for ours and it is nice to figure out belt slip issues or if the waste gate isn't working well. Ours is good for -30in to +60psi!
Old 02-01-2007, 08:02 PM
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Very cool!

Those turbos should have plenty of headroom for more too.

I take it the turbo are top mounted some where?


Dave
Old 02-01-2007, 10:22 PM
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he has always had boost logging from day one, you just need to ask for the graph




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