While im on the subject. Is it best value for money to port and polish the stock heads or buy aftermarket allow ones from the likes of TA?
brand new TA heads flow more out of the box than a set of heavily ported factory irons and the cost for a good port job is pretty much a wash. then you've got the weight savings for aluminum as opposed to iron.
Stage II ( headers required ) Street Eliminators with an alum intake should fit in right where your current engine is without hood clearance problems.
on the downside, you might need to respring the front of your car after taking all that weight out of it.
its time to rebuild one of them.
unless you can find a Buick specialist in NZ, you should probably have a Rover guy do your rebuild.
Is it possible to simply bore out my engine when rebuilding it to a 455 spec and chucking some 455 pistons in it?
sometimes possible, especially for the 69 blocks. but it's definitely something that you'd want the block sonic checked on all the cylinder walls and you'd want the machinist to check for core shift all the way around before you even got started.
it also wouldn't leave you much / any meat for a bore cleanup.
The way to crush the bourgeoisie is to grind them between the millstones of taxation and inflation.
Vladimir Lenin
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H.H. Goddard, Human Efficiency (1920)
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