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Old May 22, 2012 | 03:27 PM
  #1  
gregl316's Avatar
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From: pnw near portland or.
Car: 91 RS convertible
Engine: 330 hp vortec 350. TBI
Transmission: 5 Speed
Axle/Gears: 3.73 Moiser 12 bolt/Wilwood disc's
headers

Hi, I putting a 330 hp vortec crate motor in my convertible and was wondering if anyone has used these headers http://www.ebay.com/itm/180765558361...ht_4033wt_1060
What about the summit brand? Or should I spend the money and get the Hookers. I plan on deleting the smog pump but keeping the cat and putting a hi flow one on. What size pipe should I run? What muffler should I run? Thanks
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Old May 22, 2012 | 03:33 PM
  #2  
midias's Avatar
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From: Henrietta NY
Car: 1984 Trans Am L69
Engine: Sniper EFI Powered 355
Transmission: WC T5 w/ Steel Support Plate
Axle/Gears: 3.42 10 Bolt Posi
Re: headers

Both the summit and ebay headers are 1.5 primaries. I would go for 1 5/8 for your build.
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