OK...MY QUESTION IS>>>>>
Thread Starter
Drifting
Joined: Nov 2000
Posts: 1,276
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From: Ft. Worth Texas
St. Jude Donor '11
OK...MY QUESTION IS>>>>>
Do I really need to up my TB to a 58 or is the 52 big enough?????
396 LT4, stage II heads/intake, 233/240 cam, 11.1 comp.,headers, 3"cats and exhaust.........
:con fused:
396 LT4, stage II heads/intake, 233/240 cam, 11.1 comp.,headers, 3"cats and exhaust.........
:con fused:
Burning Brakes
Joined: Feb 2000
Posts: 1,247
Likes: 2
From: Parker, Colorado, USofA
Originally Posted by GS345
Do I really need to up my TB to a 58 or is the 52 big enough?????
396 LT4, stage II heads/intake, 233/240 cam, 11.1 comp.,headers, 3"cats and exhaust.........:con fused:
396 LT4, stage II heads/intake, 233/240 cam, 11.1 comp.,headers, 3"cats and exhaust.........
:con fused:It _did_ improve off idle performance as less throttle was necessary to allow a certain amount of air to flow.
Thread Starter
Drifting
Joined: Nov 2000
Posts: 1,276
Likes: 0
From: Ft. Worth Texas
St. Jude Donor '11
Originally Posted by RocketSled
I dynoed my 383 with the 48 mm and later with the 58 mm TB...it made no difference in power (which just may mean it's not tuned enough to where the TB is the bottleneck, YMMV.)
It _did_ improve off idle performance as less throttle was necessary to allow a certain amount of air to flow.
It _did_ improve off idle performance as less throttle was necessary to allow a certain amount of air to flow.
it is having an idle problem...starts around 500 then finally (sometimes) comes up to where it should be.
