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Thread: LS1 Intake Size "Throttle Body"
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11-09-2005, 08:14 AM #1
LS1 Intake Size "Throttle Body"
Iam looking to buy a new throttle body, but I am seeing different sizes "90mm and 80mm" What size do I need for a stock ls1 intake?
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11-09-2005, 09:59 AM #2
- Join Date
- Aug 2005
- Location
- cali
- Posts
- 115
- 1990
80 or 85
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11-09-2005, 10:06 AM #3
ur stock throttle body is 75mm, a bored out one should be 78mm, the BBK is an 80 mm, and some people bore out the bbk to 85mm... tho i think if you went that big you would need to port teh opening in the ls1 intake to 85 as well, but i could be wrong. the 90mm throttle bodys for ls2 and FAST intakes
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11-09-2005, 12:53 PM #4speedoGuest
I have everything you need right here for your setup with this intake and TB. TPIS Modified ZO6 intake with a 75x90mm TB. Probably 35+hp over your stock 78mm/ls1 setup. Maybe more depending on what other mods yu have done. 900$ shipped.
Shoot me a PM and I will get you some pictures.
I assume your still running the LS1 intake?Last edited by speedo; 11-09-2005 at 02:18 PM.
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