C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

48MM Throttle Body

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Old Mar 2, 2004 | 08:20 PM
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Default 48MM Throttle Body

Ok, In working on my IAC valve this evening, my boy bumped into the work bench and sent the throttle body tumbling onto the garage floor, and it put a big crack in it. I need to get a new stock throttle body, I have no mods, so a 52mm or bigger is a waste on my L98. All the stores I know only sell such bodies as BBK 52mm, and GMPartsdirect.com does sell a stock 48mm for $285. Any other places around that may sell one?

Thanks in advance
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Old Mar 2, 2004 | 08:26 PM
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Default Re: 48MM Throttle Body (86Coupe)

Look on EBay or C4 parts for sale - you may pick one up for cheap. :cheers:
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Old Mar 2, 2004 | 08:32 PM
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Default Re: 48MM Throttle Body (cprgmr)

It may also have trashed linkage bushings. Try Team Chev or Jeff Kopp, CF member. He's a wholesale GM parts guy.
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Old Mar 2, 2004 | 08:39 PM
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Default Re: 48MM Throttle Body (h rocks)

I can probably get you a used one for $100 bones if you want me to check :confused:
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Old Mar 2, 2004 | 08:58 PM
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Default Re: 48MM Throttle Body (1990CORVETTE)

Used would be fine as long as it is functional, don't need TPS or IAC in it either, lemme know, I'll even pay red frieght since the weather is getting nice out here :)

hollar at me at dickieram@***.net


[Modified by 86Coupe, 7:59 PM 3/2/2004]
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Old Mar 2, 2004 | 11:55 PM
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Default Re: 48MM Throttle Body (86Coupe)

Put up a WTB thread in the C4 parts for sale section. I'm sure someone has a spare laying around :yesnod:
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Old Mar 3, 2004 | 09:19 AM
  #7  
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Default Re: 48MM Throttle Body (TA)

I have one off of my 96 LT-4 but I don't think that it will fit the L-98 if I am mistaken it is yours for $70 plus shipping but I believe it fits 96 and 95 only. :p:
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Old Mar 3, 2004 | 09:27 AM
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Default Re: 48MM Throttle Body (96CollectorSport)

I have one off my 88 but, she may need the throttle shaft bearings. 40 + shipping. i think she was sucking air at idle.
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Old Mar 3, 2004 | 11:21 AM
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Default Re: 48MM Throttle Body (86Coupe)

I have mine from my 94. It has no problems, and no air leaks at the throttle linkage. Send me some beer money and cover shipping.

:cheers: :flag :cheers:
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Old Mar 3, 2004 | 02:08 PM
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Default Re: 48MM Throttle Body (86Coupe)

I have been keeping a eye out for a rebuildable TB. I have noticed that the part numbers are not the same and I can't tell from the parts book why they are diffrent.

1985 PN: 17085049
1986 PN: 17086049
1987-88 PN: 17086051

I don't know why you couldn't use the 88' TB it should work. I posted this because someone on the forum may know and this would slimplify both of our searches. Thanks.


[Modified by BlackIce86, 5:22 PM 3/3/2004]
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Old Mar 3, 2004 | 02:29 PM
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Default Re: 48MM Throttle Body (BlackIce86)

i have one off my 91 it will work on 89-91 tpi. it is in great shape but no iac housing. ill sell it to you for $75.00

sorry didnt realize you had an 86....


[Modified by mos90, 7:30 PM 3/3/2004]
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