I am looking to update the exhaust in this car. Will it do me any good to get rid of the cats on this car? Or should I keep them there? No emmissions in Fla so I dont need them. Any other suggestions that will help it run better? Feels like it wants to go but it just cant acheive its potential


Thanks

ThePope

The under hood catalysts are very restrictive. Using an exhaust system from a 1974 car will allow the engine to breath better. Or use the ex manifolds from 1974 OR 1977 thru 79 & then have a custom exhaust system made.

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Thank you for the information

The Pope

M B DOC
Do you possibly have part #s for the 1974 manifolds?
Im trying to do the same to my 75
Everyone keeps asking for casting#s ????????
Thanks
Bob

I have no idea about the casting numbers. If I do come across them I will let you know, please do the same

Thanks

Da Pope

Hi i found the part#s fof the 1974 exhaust manifolds.
L/H 117 140 0009
R/H 117 140 0409. New $ 570.00 EACH.

I found a used set in Washington State for $3000..
You know what way i am going.

Bob

Da Pope

Hi i found the part#s fof the 1974 exhaust manifolds.
L/H 117 140 0009
R/H 117 140 0409. New $ 570.00 EACH.

I found a used set in Washington State for $300.00You know what way i am going.

Bob