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Will 1-3/4" headers make less power than 1-5/8" for a 305TBI

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Old Sep 25, 2000 | 11:08 PM
  #1  
88'camaro305TBI's Avatar
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From: Robbinsville NJ
Car: 88 IROC
Engine: 350
Transmission: auto
Will 1-3/4" headers make less power than 1-5/8" for a 305TBI

I am planning on getting a small block 350, but not in like 2 years. And since slp's 1-3/4" cost the same as the 1-5/8", should i go with the 1-3/4" or will that have a bad effect on my engine? thanks

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Mods:Hooker Aerochamber 3" exhaust, gutted kitty,
March 2 piece underdrive pullies, smog pump gone,;these two made a very noticable difference.
14x4 K&N open air element filter-the best mod so far
Eibach springs with KYB's all around.
Appearance: Harwood cowl hood, Z-28 wing, painted black(7/20/00)-original color was light blue
*All these mods were made this year
Stock Options:117,000 miles on motor, 5spd, TBI, 305, T-tops
Run a best of 16.7 @85mph with traction problem. Have to try again sometime.
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Old Sep 25, 2000 | 11:12 PM
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Jester's Avatar
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From: Homestead, Fla
Yeah thats too much. 1 5/8 is really pushing it for most any 305 here. 1 5/8 should also be enough for your 350 when it;s built.
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Old Sep 25, 2000 | 11:19 PM
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88'camaro305TBI's Avatar
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From: Robbinsville NJ
Car: 88 IROC
Engine: 350
Transmission: auto
thanks, i'll definitely go with 1-5/8 now.
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