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WHAT # HEADS ARE ON THE 1987-91 5.7 TPIs

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Old Feb 4, 2008 | 05:57 AM
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WHAT # HEADS ARE ON THE 1987-91 5.7 TPIs

I am looking for a set of the 64cc iron 5.7 TPI ( IROC or GTA ) heads . What casting # are they . And what will a used set cost .
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Old Feb 4, 2008 | 06:13 AM
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Re: WHAT # HEADS ARE ON THE 1987-91 5.7 TPIs

083

What the seller will accept.... who knows? Depends on the seller... but being stock heads, expect $100-200.
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Old Feb 4, 2008 | 06:46 AM
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Re: WHAT # HEADS ARE ON THE 1987-91 5.7 TPIs

Ok thanks for the info . Now I will try and find a set locally . There was a Junk yard that had some GTA 5.7 TPI cars . So the #14101083 are the 64cc 5.7 heads . How are the 305 heads #14101081 ? What size valves and chambers are they ? I know I can find a set off them . Any info on the TPI 305 Heads ?
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Old Feb 4, 2008 | 02:14 PM
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Re: WHAT # HEADS ARE ON THE 1987-91 5.7 TPIs

081s are the 305 TPI heads of that era. 58cc chambers, 1.84/1.50 valves. Very similar in many ways to the 083 heads except for the ports, valves and chambers being smaller.
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Old Feb 4, 2008 | 06:40 PM
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Re: WHAT # HEADS ARE ON THE 1987-91 5.7 TPIs

This junk yard near my house had all kinds of F-Body TPI cars two years ago . Last summer all the cars were gone! Looking for a set of 083s in IL .
Attached Thumbnails WHAT # HEADS ARE ON THE 1987-91 5.7 TPIs-yard.jpg  
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Old Feb 4, 2008 | 09:07 PM
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Re: WHAT # HEADS ARE ON THE 1987-91 5.7 TPIs

got a set of 081 complete, 083 bare heads make an offer ,you pay shipping,later jimmy
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Old Feb 4, 2008 | 09:10 PM
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Re: WHAT # HEADS ARE ON THE 1987-91 5.7 TPIs

Originally Posted by Damon
081s are the 305 TPI heads of that era. 58cc chambers, 1.84/1.50 valves. Very similar in many ways to the 083 heads except for the ports, valves and chambers being smaller.
The ports on the 081s are the same size as the 083s.
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Old Feb 4, 2008 | 10:10 PM
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Re: WHAT # HEADS ARE ON THE 1987-91 5.7 TPIs

I want the 083s with the larger 1/94 intake valves 64cc chambers . I have a set of 305 #601 heads all done up screw in studs guide plates 55 cc . But they did them with 1.84 S/S intake valves . Don't want to sink more cash in them . May run them on a 327 build . The 083 Heads are for a 350 build .
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Old Feb 4, 2008 | 10:50 PM
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Re: WHAT # HEADS ARE ON THE 1987-91 5.7 TPIs

youre welcome ,tango,later
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Old Feb 4, 2008 | 11:42 PM
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Re: WHAT # HEADS ARE ON THE 1987-91 5.7 TPIs

Still looking for a set of 083 heads in IL for local pick up .
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