Can anyone tell me the difference between these?
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From: Pleasant Grove, Utah
Car: 1993 GMC Typhoon
Engine: 4.3 Turbo
Transmission: 4L60
Axle/Gears: 3.42
Can anyone tell me the difference between these?
Hed-68479 & Hed-68470 other than the price? Both are thirdgen headers, same flange thickness, same 1 5/8" primaries, same 3" ball/socket collector, both come in black paint, no emissions. Why the price and part # difference?
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From: Ontario, Canada
Car: 86 Trans Am
Engine: 385 Fast Burn
Transmission: 700R4 - stock (eep!)
Axle/Gears: Stock, will upgrade at some point
Re: Can anyone tell me the difference between these?
One looks like it's a D port. I had to get the other because of the FastBurn motor I put in.
Thread Starter
Supreme Member
iTrader: (1)
Joined: Feb 2005
Posts: 2,642
Likes: 2
From: Pleasant Grove, Utah
Car: 1993 GMC Typhoon
Engine: 4.3 Turbo
Transmission: 4L60
Axle/Gears: 3.42
Re: Can anyone tell me the difference between these?
I dont know it's that's true, D-ports have a different part # I thought
Member
iTrader: (1)
Joined: Apr 2005
Posts: 467
Likes: 0
From: Ontario, Canada
Car: 86 Trans Am
Engine: 385 Fast Burn
Transmission: 700R4 - stock (eep!)
Axle/Gears: Stock, will upgrade at some point
Re: Can anyone tell me the difference between these?
I had originally ordered the O ports with the ceramic coating when my mechanic told me the original manifolds won't mate up, I planned on adding the headers later. I had to cancel the order and went with the D port, with the part number in my sig.
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