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I am having the 350 in my 88 convertible rebuilt and was wondering if anybody has any suggestions on what type of headers would fit. Also what's best shortys or long tubes?
The block Is bored .030 and I have #6 heads on it with a new cam that is a little hotter.
What year Eighty Eight? The 1971-76 cars allegedly can use 68-77 Cutlass headers. No one makes headers for the 65-70 cars due to the steering box location and the lack of a market.
Go with whatever gives you the best clearance between the headers and the starter. I'd also suggest a heat shield and wrap the headers. Keep the starter cool!
I like the shortys a lot, are they thorntons new style olds headers i havent seen them before.
anyone know if they will fit 455 as well, they should right?
Last edited by 73aussie455; October 3rd, 2021 at 03:09 PM.
They fit nicely. I just put some temporary exhaust pipes on out of 2" emt. Being an electrician Has it's advantages. I believe Thorntons has a set for BBO on there website. I got these for $500 + $150 for ceramic coating. I had a hard time finding shorties that would fit my 75 Delta. A little bit low, but it will work till i bteak the engine in and get it to the exhaust shop.
Hedmen Header part# 58158 - was about 2 inches lower, shift rod clears
What engine do you have?
Hedman 58060 is for the small block Olds. They fit 68-77 A-body cars with small block.
Hedman 58158 is for the big block Olds. They fit 68-77 A-body cars with a big block.
Of course there's a height difference. BBOs have a taller deck height.
Hedman 58060 is for the small block Olds. They fit 68-77 A-body cars with small block.
Hedman 58158 is for the big block Olds. They fit 68-77 A-body cars with a big block.
Of course there's a height difference. BBOs have a taller deck height.
July 26th, 2021, 04:10 AM
