I posted this up on the Camaro board & figured I should probably get an opinion from you folks also.
I've been slowly collecting parts to build a 406.
So far I have a 509 block (that still needs to be machined), a Scat cast steel 6" rod-internal balance crank, a set of 6" Lunati rods, set of aluminum Pro Topline 200cc angle plug heads with 64cc chambers, set of 1.6 Comp roller rocker arms & a few other small pieces like ARP stud kits, etc.
Last night I ran across a good deal on a Scat cast steel 6" rod-internal balance crank for a 383. It's one of their lightened cranks.
So now I'm trying to decide wether to build a 406 with a factory 2 bolt main block & all the potential problems that may or may not occur with a factory block. Or play it safe & build a 383 with a 4 bolt main & what is probably a more stable block.
I'm a big believer in the more displacement theory but I don't want to put the time & money into what may be a short lived block.
Intended usage, is a fun street car ('78 Malibu) that must be well mannered & run on pump gas. Low maintenance is a high priority.
Now here's a curve ball... Lately I've been thinking about turbo's.
So... What do you guys think? I would really like to hear from someone who has built, thrashed on & possibly destroyed both.