Interior Discussion about interior restoration, repairs, and modifications.

Tach for 82 T/A

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Old Feb 13, 2015 | 09:32 PM
  #1  
Transam.82's Avatar
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From: Houston, Texas
Car: '82 Trans Am
Engine: 388 5.7L V8
Transmission: T-10
Tach for 82 T/A

So I finally got my 82 back on the road with a new 388. The problem is my tach only goes up to 6k rpms, the 388 can do 8 or 9 before red lining. Where can I find a drop in tach replacement? preferably on a budget.
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Old Feb 13, 2015 | 09:36 PM
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From: Il
Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: Tach for 82 T/A

What kind of cam do you have in that formula 1 motor ??
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Old Feb 13, 2015 | 09:41 PM
  #3  
Transam.82's Avatar
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From: Houston, Texas
Car: '82 Trans Am
Engine: 388 5.7L V8
Transmission: T-10
Re: Tach for 82 T/A

http://www.summitracing.com/parts/lun-30111002
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Old Feb 13, 2015 | 09:58 PM
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From: Il
Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: Tach for 82 T/A

Basic Operating RPM Range:3,000-6,500 ?

Am I missing something? or do you mean 6,800 -6,900 or 8-9,000 rpm?
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Old Feb 13, 2015 | 10:07 PM
  #5  
Transam.82's Avatar
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Joined: Jun 2009
Posts: 93
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From: Houston, Texas
Car: '82 Trans Am
Engine: 388 5.7L V8
Transmission: T-10
Re: Tach for 82 T/A

It's been a 3 year project, so I missed that stat. Now I'm really confused...when I tuned my carb I opened all 4 barrles and it took my tach all the way back to 1000 rpms, like past 6000. So I asked the guy who is helping me tune the carb and he said 9000 rpms for the engine.... should this be posted in the engine foru?

Last edited by Transam.82; Feb 13, 2015 at 10:31 PM.
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Old Feb 13, 2015 | 11:26 PM
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8t2 z-chev's Avatar
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From: belle fourche,s.d.
Car: '82 z28
Engine: L83 5.7
Transmission: 700r4-1985
Axle/Gears: 3.42 posi
Re: Tach for 82 T/A

yrs ago,i bought an '84 firebird cluster that had an 8000 rpm tach with redline at 6000-it may have came from an L69 H.O,AFAIK,84 cluster is pretty much the same as '82 except orange lighting .
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