LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Holly or BBK Trottle Body???

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Old Nov 16, 2006 | 03:07 PM
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Default Holly or BBK Trottle Body???

Which TB should I buy for my lt4 setup????
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Old Nov 16, 2006 | 03:28 PM
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BBK. Ive had 3 of them. 1 for each of my trans am's. Holleys are way over priced.
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Old Nov 16, 2006 | 04:01 PM
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BBK's are also more accurate where the TPS bolts onto the TB. My Holley's TPS bolt holes were not in the correct position and had to pay a extra $100 to the local dealership's head mech. to figure out the problem. Needless to say I didn't get to go racing that weekend. Several of my other friends have had the same problem's with their TB's from Holley. I am really not an Edlebrock fan, but would actually recommend their TB over other's due to the fact that they already come with a TPS precalibrated to the TB. Where they buy their TB's from is the same company that manufactures them for GM.
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Old Nov 16, 2006 | 04:38 PM
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I have had no issues with my BBK.
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Old Nov 16, 2006 | 05:04 PM
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Holleys are a bitch to get the idle right on the first try.

Tony.
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Old Nov 16, 2006 | 05:28 PM
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Originally Posted by Snyper
Holleys are way over priced.
----->>>>TBYRNE sells them for cheaper than BBK's, so thats not right. BUT, I bought a Holley 52mm and I had nothing but problems with it. Nice looking peice, but the blades would stick before hitting the idle screw causing a high idle and incorrect shifting. It is not on the car now and eventually I will attempt to fix it, I polished the stock one up and I'm happy.

Mike
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Old Nov 16, 2006 | 06:18 PM
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not to mention (not sure if they fixed it or not) but the holley's have problems with opening the tB blades more than they're supposed to @ WOT causing overvolt issues..
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Old Nov 18, 2006 | 12:00 AM
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Actually, an overvolt issue is the least of that problem. I've known a Holley to over-open and stay stuck in that position. That created an 'interesting' full-throttle ride. Then another Holley owner I am familiar with lost a butterfly screw which imbedded itself in a piston. I've had no problems with my 58mm BBK.
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Loved my BBK
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