305 TPI STOCK REPLACEMENT HEADERS????
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Joined: Apr 2010
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From: st paul
Car: 1985 iroc z
Engine: 350 .30 over
Transmission: t-5
Axle/Gears: told aftermarket moser 3.73 posi?
305 TPI STOCK REPLACEMENT HEADERS????
Ok so me and my brother ripped all the smog control bs off the car and were wondering what would be the best headers and closest to stock replacement price/ part numbers would be great looking to order from summit right now!!!
1985 z/28 305 tpi 700r4 stock exhaust with flowmaster 40 series i believe
1985 z/28 305 tpi 700r4 stock exhaust with flowmaster 40 series i believe
Joined: Mar 2000
Posts: 43,187
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
'85 was an oddball year, the only one with 4-bolt cat inlet flange. So, nobody offers a direct bolt-in.
If you're willing to change the cat (and perhaps the cat-back) to the '86-'90 TPI single cat type, then Hooker 2055HKR or Edelbrock 68723.
If you're willing to change the cat (and perhaps the cat-back) to the '86-'90 TPI single cat type, then Hooker 2055HKR or Edelbrock 68723.
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