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TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.

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Old 12-11-2007, 08:22 AM   #1
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52mm throttle blades

Who sells 52mm throttle blades? We have a good machine shop at work so machining is no problem!

Olav
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Old 12-12-2007, 03:51 PM   #2
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Re: 52mm throttle blades

ttt

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Old 12-12-2007, 04:03 PM   #3
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Re: 52mm throttle blades

You could go to junk yard and snatch the blades off 2 v6 TB's. IIRC they are 52.
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Old 12-13-2007, 02:30 PM   #4
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Re: 52mm throttle blades

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Originally Posted by Dale View Post
You could go to junk yard and snatch the blades off 2 v6 TB's. IIRC they are 52.
Not so many junkyards with US cars here over......I'm in Norway.

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Old 12-13-2007, 04:59 PM   #5
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Re: 52mm throttle blades

Sorry, didnt know that.
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Old 12-13-2007, 05:48 PM   #6
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Re: 52mm throttle blades

If you have access to a machine shop why not make your own. All you need is a lathe and a parting tool along with some round stock the correct diameter. Heres a picture of my custom throttlebody with a set of 62mm blades. Thats a stock 48mm blade sticking inside the throttlebody.

[IMG][/IMG]
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Old 12-13-2007, 07:38 PM   #7
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Re: 52mm throttle blades

haha thats nice good work, what are u running with that? better be a 572 big block or a twin turbo 572ci BB. lol thats wayyyyyy to be a TB for anything under 800 hp. looks good tho. thumbs up! u musta lost a bunch of flow down thow, and throttle response.

they are just 2 round sheets of aluminum. just have them cut out 2 52mm circles form aluminum flat stock and then port the TB to 52mm. i would use 1/16" thick stock, 1/8" max
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Old 12-13-2007, 08:08 PM   #8
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Re: 52mm throttle blades

Quote:
haha thats nice good work, what are u running with that? better be a 572 big block or a twin turbo 572ci BB. lol thats wayyyyyy to be a TB for anything under 800 hp. looks good tho. thumbs up! u musta lost a bunch of flow down thow, and throttle response.
Yea they are overkill but throttle response is very good after a lot of tweeking with my chip program. Also,running a six speed and 4:11 gears really helps. Its currently a 402 big block but i have a built 454 in the works.
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Old 12-13-2007, 09:21 PM   #9
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Re: 52mm throttle blades

884, is that still the stock TB Body, or is that an aftermarket you modified more?
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Old 12-13-2007, 09:44 PM   #10
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Re: 52mm throttle blades

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is that still the stock TB Body, or is that an aftermarket you modified more?
Dale, that TB started out as a chunk of billet aluminum. The only parts i didnt make are the throtle linkage and the IAC mount. Also the air cleaner adapter started life as a chunk of billet.

Last edited by 884+3; 12-13-2007 at 09:48 PM.
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Old 12-14-2007, 06:39 AM   #11
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Re: 52mm throttle blades

Very nice work then!!!
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Old 12-14-2007, 04:22 PM   #12
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Re: 52mm throttle blades

Thanks for the props guys.
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Old 12-14-2007, 04:22 PM
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