BillB1210 wrote:Sand blast the GM manifolds. Powder coat them or use Eastwood cast iron coating. Enjoy the muffled sound when the engine runs - not the clanging of the exhaust hitting thin tubes. Give up 10 horsepower, lower rear end gear ratio an increment and same rear wheel power result.
Bill
oh sure bring up the fact that I still have the stupid 4 bolt wheel 7.5 rear end while we're at it, changing gears might be costlier than adding real headers.
zeke wrote:Looks like the #5 cylinder plug interference issue has been dealt with now.
wow... you did a great job with the hammer!