Summit racing tpi throttlebodys cheap
Thread Starter
Joined: Dec 2004
Posts: 16,752
Likes: 996
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Summit racing tpi throttlebodys cheap
I believe these are made by bbk and have sealed roller bearings.
great price for a replacement Throttlebody if you like the look.
https://www.summitracing.com/search/...hrottle-bodies
great price for a replacement Throttlebody if you like the look.
https://www.summitracing.com/search/...hrottle-bodies
Thread Starter
Joined: Dec 2004
Posts: 16,752
Likes: 996
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Summit racing tpi throttlebodys cheap
They could be discontinuing that product line. Great price to replace a worn out throttle shaft. I still like the look of older Throttlebodys where you could customize the top plate.
Thread Starter
Joined: Dec 2004
Posts: 16,752
Likes: 996
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Summit racing tpi throttlebodys cheap
I think this article explains it best.
http://garage.grumpysperformance.com...-your-tpi.290/
I don’t know the port entrance size on a hsr. you might not gain a thing even at wot.
http://garage.grumpysperformance.com...-your-tpi.290/
I don’t know the port entrance size on a hsr. you might not gain a thing even at wot.
Joined: May 2013
Posts: 1,494
Likes: 99
From: CT
Car: 86 Trans Am WS6
Engine: 383 stroker
Transmission: 700r4
Axle/Gears: 9 Bolt Torsen 3.70
Re: Summit racing tpi throttlebodys cheap
If those are in fact bbk throttle bodies I would worn others not to buy them due to my experience with them.
Back when I had the original 305TPI in my car, my original throttle bodies shaft bushings were worn out causing a vacuum leak by the return spring, I bought a BBK throttlebody and it fixed the vacuum leak and my car never ran better. then 6 months later the same issue came back and when I did a vacuum smoke test, the BBK throttlebody was leaking. I then purchased an original low miled throttle body off of here and the problem went away until I pulled the engine out. I remember paying around $240 for the BBK throttlebody brand new so that is a good deal but still a risk.
Edit: surprising to see "Made in the USA" on the picture, I remember my BBK throttlebody being made in China and me referring to it as cheap Chinese junk. Maybe these are different/better
Back when I had the original 305TPI in my car, my original throttle bodies shaft bushings were worn out causing a vacuum leak by the return spring, I bought a BBK throttlebody and it fixed the vacuum leak and my car never ran better. then 6 months later the same issue came back and when I did a vacuum smoke test, the BBK throttlebody was leaking. I then purchased an original low miled throttle body off of here and the problem went away until I pulled the engine out. I remember paying around $240 for the BBK throttlebody brand new so that is a good deal but still a risk.
Edit: surprising to see "Made in the USA" on the picture, I remember my BBK throttlebody being made in China and me referring to it as cheap Chinese junk. Maybe these are different/better
Last edited by TylerSteez; Feb 15, 2019 at 04:45 PM. Reason: Those are made in USA, BBK ones were not
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