Quote Originally Posted by damienengland View Post
Have to agree with this, even if it means a different manifold. The Quadrajet works an absolute treat on a 253...unless you want to keep it period correct. Fuel tank clean is probably a good place to start anyway, for piece of mind.
Yeah, well the Quadrajet works well on my 253 so that is a good idea, but I was trying to save the expense and trouble of changing the manifold.

And yeah Frosty, a 465 would probably be spot-on for a 253, but again, a 350 with the right jets is a simple conversion using the existing manifold.