383man
Well-Known Member
Here is what I would consider if I were you. Change the cam and the intake and carb and then drive it. I use the Indy dual plane with a Holley 850 DP. Do you know if the eng was built with good quench so that hopefully you can run pump gas because at 10.5 comp and aluminum heads with the right cam and quench you should easily be able to run pump gas.
Here is my combo and I drive it all the time all over and on 2 hr road trips with no problems.
My 493 is 10.6 comp with a 440Source bottom end with D-dish pistons to have 10.6 comp with the Indy EZ heads I use. My cam is a custom grind solid flat tappet that is 264 & 270 @ .050 with .585 & .592 lift and it has a 110 LSA. I have it in the eng on a 106 ICL. I run the Indy dual plane intake with a Holley 850 DP. I do use Hughes 1.6 roller tip rockers which puts my lift about .630. I built it with good quench and I run 92 pump all the time with no pinging at all. In fact I have never had race gas in the car. I wanted a good driving car that would run in the 10's just the way I drive it and it has done all I wanted. It runs and drives great and is very consisdent at the track. And I love the fact that the last 2 times I raced I never even lifted the hood all day at the track. As some have said you could run it like it is and see how you like it with enough converter. I use 4.30's with a 30 x 9 tire and when I run 60 mph I am turning about 3100 rpm. Good luck with it what ever you decide but you did buy a nice eng even though it may not be just what you wanted. And on my old 440 I ran it to 6200 RPM all the time with LY rods and it never gave me any problems. Ron
Here is my combo and I drive it all the time all over and on 2 hr road trips with no problems.
My 493 is 10.6 comp with a 440Source bottom end with D-dish pistons to have 10.6 comp with the Indy EZ heads I use. My cam is a custom grind solid flat tappet that is 264 & 270 @ .050 with .585 & .592 lift and it has a 110 LSA. I have it in the eng on a 106 ICL. I run the Indy dual plane intake with a Holley 850 DP. I do use Hughes 1.6 roller tip rockers which puts my lift about .630. I built it with good quench and I run 92 pump all the time with no pinging at all. In fact I have never had race gas in the car. I wanted a good driving car that would run in the 10's just the way I drive it and it has done all I wanted. It runs and drives great and is very consisdent at the track. And I love the fact that the last 2 times I raced I never even lifted the hood all day at the track. As some have said you could run it like it is and see how you like it with enough converter. I use 4.30's with a 30 x 9 tire and when I run 60 mph I am turning about 3100 rpm. Good luck with it what ever you decide but you did buy a nice eng even though it may not be just what you wanted. And on my old 440 I ran it to 6200 RPM all the time with LY rods and it never gave me any problems. Ron