65 Cutlass 455 Exhaust Manifolds? W & Z?
May 6th, 2019, 10:50 AM
#1
Registered User
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Join Date: Jul 2014
Location: Imlay City, Michigan
Posts: 381
65 Cutlass 455 Exhaust Manifolds? W & Z?
Hi all,
Gathering parts to do a swap and see 2 different sets of repro manifolds list for 64-67 or the W & Z 68-72. Will either work in a 65 and is one better flow wise?
Regards,
Gathering parts to do a swap and see 2 different sets of repro manifolds list for 64-67 or the W & Z 68-72. Will either work in a 65 and is one better flow wise?
Regards,
May 6th, 2019, 11:07 AM
#2
Old(s) Fart
Join Date: Mar 2007
Location: Northern VA
Posts: 47,311
Either set will work. The W/Z manifolds are internally divided and flow better. The outlets may not match up with repro 1965 exhaust pipes, however. If you are using a custom fitted set of pipes, then this is not an issue.
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