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Mar 29, 2013 | 06:50 PM

33custom

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6.0 L block ls3 top end. Cam'd made 380 wheel hp. I am limited on exhaust size I have shorty block huggers with 2 1/4 exhaust. This was supposed to make 525 hp and between 430-450at the wheels. Can exhaust make that big of a difference?

Mar 29, 2013 | 07:16 PM

outkast6991

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From: lancaster,pa

Yes it can. What is your entire setup including trans,rear,etc

Mar 29, 2013 | 07:26 PM

33custom

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6.0 iron block l92 heads offset rockers, comp cam, pac 1218, valve springs, chromoly pushrods, ls7 lifters, 90mm edlebrock intake

tremec tko 600 with a nine inch rear end.

Mar 29, 2013 | 07:31 PM

outkast6991

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Cam size?

Mar 29, 2013 | 07:32 PM

outkast6991

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Pro flow intake?

Mar 29, 2013 | 08:31 PM

33custom

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i made my intake just a rubber boot and a metal adapter that i welded the air sensor into. and the cam is a custom grind by tms i want to say 595 596 232 234 112

Mar 29, 2013 | 08:45 PM

topendrunner

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what kind of dyno? i have a close setup but with 1 7/8 lt,3 inch x and catback. t56 with 410 gear. put down 465/432

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Mar 29, 2013 | 09:28 PM

33custom

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it is a victor. it was an in ground dyne in sac. i am limited on exhaust size because it runs through my frame but i don't have to smog because its reg'd under the sb100...

Mar 29, 2013 | 09:42 PM

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outkast6991

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From: lancaster,pa

What elbow is on it? Some guys have lost 30+rwhp from a low profile elbow. That cam doesn't seem like a great match for a Vic either. Usually single plane stuff is on a tighter lsa

Mar 29, 2013 | 09:50 PM

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33custom

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its just a 5 inch ish scilicone 90 with a metal adapter for the sensor and the cone filter...

I wish i knew how to post pics so i could show you guys... thanks for the help by the way.

Mar 29, 2013 | 09:54 PM

#12

outkast6991

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From: lancaster,pa

If you email the pic to cappam@aol.com I can post it for you. Is your tb a 90mm?

Mar 29, 2013 | 10:03 PM

#13

33custom

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yes its a 90mm

Mar 29, 2013 | 10:20 PM

#14

33custom

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if that elbow makes a difference i can buy a straight scilicone tube and use the same setup... but the exhaust i am stuck unless i build outside of the car like a old cobra... might look stupid

Mar 29, 2013 | 10:22 PM

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33custom

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sent the pics by the way thanks again

Mar 29, 2013 | 10:48 PM

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outkast6991

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your welcome. looking at the pics i don't see a vic intake? looks like an ls3. who did the tuning? did they have any problems with the maf being so close to the bend or give you any insight as to why it didn't make more power? that car is beautiful though

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Mar 30, 2013 | 02:01 AM

#17

33custom

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mark romans did the tune out in sac. the car used to have a problem with it dying after a high rev... he fixed that and put it on the dyno. made 380 hp and 350 tq it is a edlebrock victor i looked at the box again.

Mar 30, 2013 | 08:55 AM

#18

outkast6991

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do you have a pic of the engine bay as it currently sits?

Mar 30, 2013 | 09:32 AM

#19

33custom

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unfortunatly that is its current state... my throught bearing failed on me but yes let me email it to you. they were when i was still building the car.

Mar 30, 2013 | 09:43 AM

#20

outkast6991

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From: lancaster,pa

ok well if these pics are the current state you are not running a vic for an intake. the intake manifold appears to be an ls3. do you have a graph from the dyno pulls?

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