Originally Posted by us7race
Have to us the spacers.. A friend of mine has them in his Vega.
377 stock 2 bolt block on alky runs 6.40-6.50 with a GM forged crank.
Has ran this setup for more than 5 years.

He left the 2 bolt alone...he didn't turn into 4 bolt splayed??
I am thinking about building a 406 on a very tight budget and was curious if 2 bolt would hold up to 13:1 comp. and occasionally a 150 shot.