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1954 331 exhaust manifold

Started by Doug L, October 23, 2010, 04:36:12 AM

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Doug L

October 23, 2010, 04:36:12 AM
Will a 365 exhaust manifold fit a 331?






Doug Lemon

CEC #20099

#1
October 23, 2010, 10:37:24 AM
CEC #20099
The answer is no. 365 ports are much larger than 331 ports. I had to do the opposite, swapping a 365 into a 55 331 car using 331 manifolds. I made adapter plates, but they never worked right.
c.chleboun

Doug L

#2
October 23, 2010, 05:39:59 PM
Thank You





Doug Lemon

Caddy Wizard

#3
October 26, 2010, 01:17:57 PM
I have a pair of fantastic, restored 54 exh manifolds for sale on ebay.  I started restoring a 54 60S and gave up (car was too far gone).  So I am selling off some very nice parts....


Art
Art Gardner


1955 S60 Fleetwood sedan (now under resto -- has been in paint shop since June 2022!)
1955 S62 Coupe (future show car? 2/3 done)
1958 Eldo Seville (2/3 done)
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