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cam for 4 inch crank motor? #853559 11/14/10 08:22 PM 11/14/10 08:22 PM
Joined: Dec 2006 Posts: 413 northeast ohio M mkdart OP mopar
mkdart OP mopar M Joined: Dec 2006 Posts: 413 northeast ohio	I'm putting a 4 inch crank in my LA- 360 this winter.I would like to start with a cam I have already have. MP509 hyd.,MP528 solid,or the 37/42 solid hughes cam thats in the car now.I really like that cam.The rest of the combo,69 dart,tko-600 w/.64 5th,3.91 gear, hughes pocket ported iron heads,R.P.M. intake,KB 356 pistons that I will do what I need to to make sure that I have quench. This is a street car, and torque down low is inportant, but I don't want a tractor motor. What do you guys think? Mike

Re: cam for 4 inch crank motor? [Re: mkdart] #853560 11/14/10 09:07 PM 11/14/10 09:07 PM
Joined: Jan 2003 Posts: 541 chatham, Ilinois F fox super street
fox super street F Joined: Jan 2003 Posts: 541 chatham, Ilinois	That 528 cam is a good one. your engine sounds like a good one.

Re: cam for 4 inch crank motor? [Re: mkdart] #853561 11/14/10 09:12 PM 11/14/10 09:12 PM
Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,041 Lincoln Nebraska	Quote: I will do what I need to to make sure that I have quench. What do you guys think? If open chambered heads will need to have your machine shop mill the recesses all to the same depth (plus they can and do slope as it's a cast surface) then mockup your shortblock & mike "measure twice" (at least) how much needs to be taken off of the quench pads to get .040" piston to head clearance (want 35-40 making sure of piston rock) then dissassemble & pistons returned to the machine shop then mock em up again & see if you do indeed have .040" then dissassemble & weigh/equalize the pistons (& the rods/bearings/rings if not already done to get a bobweight for balancing. THEN you're ready to go together live every 24 hour block of time like it's your last day on earth

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