TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

Throttle Bore sizes

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Old Sep 20, 2000 | 05:31 PM
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Pro Tour RS's Avatar
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From: Long Island,NY
Throttle Bore sizes

Whats the diference in size of the 305 TBI VS. the 350 TBI throttle bores?
PS: This is important.

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Old Sep 20, 2000 | 10:08 PM
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From: Huntsville, AL
Car: '00 Chevrolet Corvette
Engine: LS1
Transmission: 4L60E
Axle/Gears: 2.73
Somebody correct me if I'm wrong, but I believe the only difference in the 305 and the 350 TBIs is the injector size. They both have 1.68" throttle bores. The 454 got the 2.0" bores...

-Mark W.
<A HREF="http://www.angelfire.com/al3/thegreycar">'88 SC Camaro w/ 305 TBI</A>
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Old Sep 20, 2000 | 10:34 PM
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You're not wrong Mark...
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Old Sep 21, 2000 | 01:51 PM
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Cool, Thanks guys.
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