runner question
Thread Starter
Joined: Sep 2005
Posts: 6,258
Likes: 6
From: O'Fallon, MO
Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
runner question
i am looking into new runners for my 305 TPI. but i was wondering if they are going to flow any better than what i have.
the ones i'm lookin' at are the corvette L98 runners, and i have an LB9
any increase in flow expected?
the ones i'm lookin' at are the corvette L98 runners, and i have an LB9
any increase in flow expected?
Supreme Member
Joined: Aug 2004
Posts: 1,327
Likes: 0
Car: 1987 IROC-Z Camaro
Engine: 5.7 350 TPI - SLP Runners, AFPR, MSD Goodies
Transmission: 700R4 - Shift Kit, Corvette Servo
Axle/Gears: BW 9 bolt, 3.27s
They will give you a few ponies just bolted on, to see a decent gain, youll need to port you plenum. The runners are really ment for 350 car, but it should bump up the power band on you 305, not neccessarily more power, but it should allow it to rev 200~rpm higher, which every tpi needs.
btw, don't i see you on iroczone.com?
btw, don't i see you on iroczone.com?
Senior Member
Joined: Oct 2004
Posts: 680
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From: Cleveland Ohio
Car: Formula, a big red brick.
Engine: A Ford 351 Windsor... ?
Transmission: Dodge 727
Originally posted by 87TPI350KID
They will give you a few ponies just bolted on, to see a decent gain, youll need to port you plenum. The runners are really ment for 350 car, but it should bump up the power band on you 305, not neccessarily more power, but it should allow it to rev 200~rpm higher, which every tpi needs.
They will give you a few ponies just bolted on, to see a decent gain, youll need to port you plenum. The runners are really ment for 350 car, but it should bump up the power band on you 305, not neccessarily more power, but it should allow it to rev 200~rpm higher, which every tpi needs.
Stock runners are stock - 305 or 350, they were the same on both engines. Thread Starter
Joined: Sep 2005
Posts: 6,258
Likes: 6
From: O'Fallon, MO
Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
yup that's me on iroczone as Th3rdGen On ZR1s...and yea i should probably port the plenums first, i thought about that and didn't think anything of it...
Supreme Member
Joined: Aug 2004
Posts: 1,327
Likes: 0
Car: 1987 IROC-Z Camaro
Engine: 5.7 350 TPI - SLP Runners, AFPR, MSD Goodies
Transmission: 700R4 - Shift Kit, Corvette Servo
Axle/Gears: BW 9 bolt, 3.27s
Originally posted by GOY
You're a moron. Stock runners are stock - 305 or 350, they were the same on both engines.
You're a moron.
Stock runners are stock - 305 or 350, they were the same on both engines. Trending Topics
Thread Starter
Joined: Sep 2005
Posts: 6,258
Likes: 6
From: O'Fallon, MO
Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
i'll probably hold off until summer so i just buy some already-ported SLP plenums to go with it
Senior Member
Joined: Oct 2004
Posts: 680
Likes: 0
From: Cleveland Ohio
Car: Formula, a big red brick.
Engine: A Ford 351 Windsor... ?
Transmission: Dodge 727
Originally posted by 87TPI350KID
305 arent starved for air like 350s are. Thats why the runners came out, they were intended for bigger cubed engines.
305 arent starved for air like 350s are. Thats why the runners came out, they were intended for bigger cubed engines.
In no post, other than the very last, did he mention a non-factory runner. He said he was looking for runners, but the L98 runners. You went on to state that he would see gains. Maybe you misunderstood which runners he was asking about when he asked "the ones i'm lookin' at are the corvette L98 runners, and i have an LB9 any increase in flow expected?"
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