Originally posted by baco99:
Also, to clarify, 1977 cars did not have a 3-2-1 header as earlier cars did. It was a 4-1 POS.
It's actually a 3-into-1 ... siamese center exhaust leg on MG's , grasshopper  . I know - picky , picky , LOL  !! I did , however mistype it one time , so I'll let ya slide .
Thanks for clarifying the exhaust thoughts , Brian . I guess I was a bit unclear . I should've made it clear that later cars had a single-dump exhaust outta the cat . Good lookin' out  .
Oh , and 3-into-1 exhausts always suck , over the 3-2-1 exhaust - no mixed results to the well-informed . Many (read:loads) papers I have read on MG tuning (some straight from the factory race-tuning team from back in the day) say that an early-style cast iron exhaust manifold/pipe setup flows as well as 3-2-1 headers .
~~~~~~~ Phil 
Black & Tan 2000 SVT Contour #2137 of 2150
35,000 miles & counting !
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