what am i gaining
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Supreme Member

Joined: Nov 2004
Posts: 1,347
Likes: 0
From: Connecticut
Car: 86 IROC w/Danko bodykit, 1988 iroc vert, 1989 k1500 pickup 6" lift and 35" tires, 2002 chevy tahoe z71
Engine: 383 stealth ram, 305 tpi, 350 tbi, 5.3l
Transmission: T56, 700r4, 700r4, 4l460
what am i gaining
i was wondering if i should go with long tube headers. my set up is as followed:
383 holley stealth ram with 30lb accel injectors, 58mm TB, afr 180 heads, roller comp cam with about .544 lift w/1.6 rockers
currently i am using edelbrock tri coated shorty headers that goes into a gutted stock cat and then thru a american thunder exhaust by flowmaster. i was wondering what benifits i would be getting from running long tubes. also if i do go with long tubes what would i do as far as a y-pipe or do i go with a true duel exhaust out. i also have a t-56 tranny with spohns xmember. i dont know if i will have fitment issues with these. thanks
383 holley stealth ram with 30lb accel injectors, 58mm TB, afr 180 heads, roller comp cam with about .544 lift w/1.6 rockers
currently i am using edelbrock tri coated shorty headers that goes into a gutted stock cat and then thru a american thunder exhaust by flowmaster. i was wondering what benifits i would be getting from running long tubes. also if i do go with long tubes what would i do as far as a y-pipe or do i go with a true duel exhaust out. i also have a t-56 tranny with spohns xmember. i dont know if i will have fitment issues with these. thanks
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iTrader: (3)
Joined: May 2004
Posts: 4,345
Likes: 1
From: Brighton, CO
Car: '72 Chevy Nova
Engine: Solid roller 355
Transmission: TH350
Axle/Gears: 8.5" 10-bolt 3.73 Posi
on your setup the difference would be huge.. fully 35ish rwhp, 45ish rwtq.
I'd do LTs with no cats, X piped with bullets. Flowmasters do nothing but impede the exhaust flow, especially pushing that much power.
I wouldn't even consider putting shortys on that motor.. it wants LTs BAD!!!
I'd do LTs with no cats, X piped with bullets. Flowmasters do nothing but impede the exhaust flow, especially pushing that much power.
I wouldn't even consider putting shortys on that motor.. it wants LTs BAD!!!
Thread Starter
Supreme Member

Joined: Nov 2004
Posts: 1,347
Likes: 0
From: Connecticut
Car: 86 IROC w/Danko bodykit, 1988 iroc vert, 1989 k1500 pickup 6" lift and 35" tires, 2002 chevy tahoe z71
Engine: 383 stealth ram, 305 tpi, 350 tbi, 5.3l
Transmission: T56, 700r4, 700r4, 4l460
do you recomed a set of long tubes. also is there any fitment issues with the t-56. and is there some one who makes a x pipe for our cars. i seen mufflex y pipe that i was looking at but was wondering if i should try and do a true duel instead
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