Route to go with 6.0 (Drag Racing Oriented)
I was in the exact boat your in last year. Pat G who spec'd my cam told me if I was set on using the dish pistons the best choice would be the PRC stage 2.5 5.3 heads. 243's milled .030" would be next choice. Said he wouldn't use the L92's on a NA dish build.
I opted to use L92's but I found a good deal on some flat tops here on the board. Cut them .030", Pats cam (I did have to flycut) vic Jr, etc and I'm happ, car has been 10.50's @ 128.
I opted to use L92's but I found a good deal on some flat tops here on the board. Cut them .030", Pats cam (I did have to flycut) vic Jr, etc and I'm happ, car has been 10.50's @ 128.
I was in the exact boat your in last year. Pat G who spec'd my cam told me if I was set on using the dish pistons the best choice would be the PRC stage 2.5 5.3 heads. 243's milled .030" would be next choice. Said he wouldn't use the L92's on a NA dish build.
I opted to use L92's but I found a good deal on some flat tops here on the board. Cut them .030", Pats cam (I did have to flycut) vic Jr, etc and I'm happ, car has been 10.50's @ 128.
I opted to use L92's but I found a good deal on some flat tops here on the board. Cut them .030", Pats cam (I did have to flycut) vic Jr, etc and I'm happ, car has been 10.50's @ 128.
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Verdad Gallardo Same here, I think you will really like the power it makes with the cathedral port heads and this cam along with the carb and single plane.
Since you asked about fly-cutting, you could fly-cut the pistons and mill your heads for an ever higher compression ratio which I would highly recommend.
The car will only respond better to anything you throw at it with the higher compression it would have.
Since you asked about fly-cutting, you could fly-cut the pistons and mill your heads for an ever higher compression ratio which I would highly recommend.
The car will only respond better to anything you throw at it with the higher compression it would have.
The added overlap will also help focus torque in this area along with opening the exhaust valve a little bit later than I normally would like. It being a drag oriented set-up, overlap is not something I'm worried about and will only help make more power where it's needed.
With this camshaft at least 11.5:1 if not 11.7-11.8:1.
One last question How much to mill 243s for desired compression ? And first time.I'm.dealing with cutting pistons sure they will.know at the machine shop right?
So 2 questions lol
So 2 questions lol
.006 is considered the standard for each cc taken off. To go from 65cc(roughly a 243 chamber) to 58cc you would want to take .042" from the cylinder head(call it .040").
So heres a list of parts and work about to be done I'm picking up then saving up (Waiting for 5.3 stuff to sell) then going to get the cam kit.
ARP main studs ( Got with my 6.0)
New Rings
New main bearings
ARP rod bolts
Milled heads .040
Fly cutting the pistons is still up in the air as to how I'm going to do it
Then the bottom end should be done and ready to spin I didn't even ask ya Martin where do you think this cam is going to want to shift at with the 243's?
ARP main studs ( Got with my 6.0)
New Rings
New main bearings
ARP rod bolts
Milled heads .040
Fly cutting the pistons is still up in the air as to how I'm going to do it
Then the bottom end should be done and ready to spin I didn't even ask ya Martin where do you think this cam is going to want to shift at with the 243's?
