Kerry Doyle wrote:
It sounds like the W Z or stock dual exhaust manifolds
are your options Neil.
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No. LH manifolds that work on the A body and the '71 and up B and C cars
WILL NOT WORK on a '65-'70 88 or 98. You pretty much have to have the
factory "S" casting LH manifold to run duals properly on a '65-'70 88 or
98. A very nice reproduction of it is available from Thornton now.
Prior to that it was very hard to find. This manifold curves up and to
the rear before coming down behind the steering components. I have seen
one converted using a modified Toronado manifold that seemed to work OK.
Everything else I have seen done to convert one of these to dual
exhaust was pretty bad and involved compromises I would not tolerate.
Regards,
Fred