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

58mm throttle body questions

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Old 09-21-2007 | 11:38 PM
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Default 58mm throttle body questions

Well I take it they all do the job? Any brand I should stay away from, or one you guys would recommend?

Whats the best method for porting the intake? It will be off the engine. Just wondering what I would need and advice on doing it.

Anyone got a 58mm laying around they want to sell let me know. -Corey
Old 09-22-2007 | 12:22 AM
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i have the one from lingenfelter, i think its made by accel. haven't had any problems so far, only complaint is you have to use the old tpi tps sensor.
Old 09-22-2007 | 12:31 AM
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I'll be using my old TPI 58mm when I get around to boring out my intake, which will also use that older TPS. I already have one with a plug and about 7" of wire all ready to go for when I change over.

People say the BBKs have problems, but I see many many more people complain about the Holleys. Mines BBK, and I like it more because it retains the stock look, where as the Holley stands out that it's aftermarket. Which, some may like.

Texas Speed and Marine, or Arizona, someone, makes a monoblade version.
Old 09-22-2007 | 10:52 AM
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Not really looking to go monoblade as I will be running a Nitrous outlet 58mm plate.
So what kind of issues does the Holley's have?

So does anyone have any advice on porting the intake opening?
Old 09-22-2007 | 11:12 AM
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Originally Posted by camar0corey
So what kind of issues does the Holley's have?
I think I have read that they hang. Mine's a BBK and zero problems.
Old 09-22-2007 | 12:16 PM
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Yea, they stick, and not sure why. Mostly they stick open only a little, so nothing like WOT stick heh.

I also had zero probs with my BBK.
Old 09-22-2007 | 12:51 PM
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We had one of the first Holleys that came out. There were a few probelms all t=related to the linkage cam they were useing and bushings. We actually tried several and the LPE/Accell was the only one with out issues then the newer AS&M.

I believe the newer verions of the Holley may be fixed but I have not checked in a few years.

The New LPE and AS&M have the newer TPS mount BTW but it is not adjustable An adjustable TPS is a must IMHO. It is easy to slot a Stock TPS so no Problems.
Old 09-22-2007 | 12:55 PM
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I recall reading on several occasions that everyone was surprised that the summit piece had no problems, something else to look at.
Old 09-22-2007 | 12:56 PM
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Originally Posted by v7guy
I recall reading on several occasions that everyone was surprised that the summit piece had no problems, something else to look at.
Great price too!
Old 09-22-2007 | 01:04 PM
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ive got a holley and love it. ive heard of the people having them stick open but i havent had the problem.
Old 09-22-2007 | 03:20 PM
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Another BBK owner with ZERO throttle body problems
Old 09-22-2007 | 05:11 PM
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BBK is starting to sound like the winner, although if I buy new the summit unit is $70 cheaper. Damn, I don't remember them being so high in price........
Old 09-22-2007 | 10:10 PM
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I always remember them being $300+

I say go Summit, unless you just have to have BBK
Old 09-23-2007 | 06:19 AM
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Yeah they probably have been, its just been a while since I looked.

I'm delayed now anyway, I have to buy 6 ton of rock, what do you know thats going to cost me $335 delivered. Now I'm setback on getting the throttle body. All cause some old guy that doesn't even live on my street called code enforcement. Some of the elderly folk in FL have nothing better to do than to harass people I guess.
Old 09-23-2007 | 04:19 PM
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Originally Posted by camar0corey
Yeah they probably have been, its just been a while since I looked.

I'm delayed now anyway, I have to buy 6 ton of rock, what do you know thats going to cost me $335 delivered. Now I'm setback on getting the throttle body. All cause some old guy that doesn't even live on my street called code enforcement. Some of the elderly folk in FL have nothing better to do than to harass people I guess.
What the hell for?
Old 09-23-2007 | 06:58 PM
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I've got a 92 RS and a 91 Firebird in my front yard. My neighbors all around me don't care, I hear this guy lives around the corner and down the street a bit. That is what pisses me off, who is this guy to say my yard looks trashy if he doesn't have to look at it every day?

So I'm creating a second driveway down the side of my Moms house, and will throw car covers over them.
Old 09-23-2007 | 07:31 PM
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Originally Posted by camar0corey
I've got a 92 RS and a 91 Firebird in my front yard. My neighbors all around me don't care, I hear this guy lives around the corner and down the street a bit. That is what pisses me off, who is this guy to say my yard looks trashy if he doesn't have to look at it every day?

So I'm creating a second driveway down the side of my Moms house, and will throw car covers over them.
***.
Old 09-24-2007 | 03:32 PM
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bbk no problamo
Old 09-24-2007 | 03:42 PM
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I have bbk no problems, just had to drill the iac so my 383 could breathe at idle!
Old 09-24-2007 | 06:46 PM
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Mine is TPIS's 58mm throttle body.
I actually got it off of TPIS's ebay auction section for $400.
It is a very nice piece with a machined-in airfoil.
But as KingLt-1 said you'll have to drill the IAC hole.



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