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One place to get parts for a 1970 Pontiac Grand Prix is at the website Stock Interiors.
There were 2,170 convertible GTOs in 1970.
A 1970 Pontiac Service Manual will have this info in it. You can find them on Ebay or one of the literature places on the web.
Weight on my Pontiac LeMans Sport registration is 3800
go to the library and get a chiltons repair manual from 1970 Plymouth and the specs should be in there.
There are many places one can go to to purchase a Pontiac 1970 GTO. The best place would be your local Pontiac dealership to help locate you one. You can also try AutoTrader.
1970 Pontiac catalina coupe and sedan had a standard 350 255 horsepower the 400 was optional rated at 265 horsepower
firing order would be 18436572 with number 1 cylinder near the radiator on the driver side{1357}driver side......{2468}passenger side......goodluck!
What is the cylinder sequence on a 1970 bug with a1600 dual port moter?
Everything should bolt right up.
The gap is .035"
go to the library and get a chiltons repair manual for your year pontiac.