Dear Mike and mid-60s Buick fans,
I have a 1965 2 door post Buick Special 300 4 -speed, (originally 3-speed on the column) I cannot find an aftermarket 4bbl intake manifold, or much anything else. Is it sacrilegious to use another GM smallblock? If not.. what will bolt up to the bellhousing? I have not found an abundance of Buick engines.
You won't find much of anything in the aftermarket category for the 1964-67 small block Buick engine. However, you can find the OEM parts if you are a bit persistent. Exactly what do you have left of the original engine in this car? - anything? Lots of guys are upgrading to larger more modern engines like the Buick big-block. So they have 300 engines with very little value. This board may not be the best place to find those engines. You might have to post a query on the more popular board for Buicks V-8 Buick:
www.v8buick.comIt is a much more diverse crowd, but with many more participants. If you need parts, it is a better choice. If you need detailed advice on how to actually fix something on your car, this forum is better source! Although there is a certain GS bias that you need to accept - after all that is the title!
Cheers, Edouard
P.S. there are also aftermarket parts for the Rover V-8 engine that was created from the Buick 300. TA-Performance has things like the Rover cylinder heads that are a significant improvement over the 1965 Buick cast iron heads:
http://www.taperformance.com/I was ultimately seduced into a big-block Buick engine for my trusty wagon, but if you want performance out of a Buick 300, it is possible. You just have to be willing to learn the ropes.