moparjoe71
4speeder
My rear main seal started leaking so I pulled out my 17 year old 360 for a freshen up. New rings bearings gaskets and a cam shaft. Here is what I have
78 360 block .030 over
Balanced stock bottom end the crank and rods were turned .010
Speed pro 116 pistons set at close to zero deck height.( not 100% certain on that measurement)according to speed pro they make 9.2-10.0 depending on heads
The cam shaft is a Lunati .520/.520 [email protected] lift 106 lobe separation
The heads are ported and polished 2.02/1.60 j castings with a good valve job
Intake is a Holley strip dominator that is port matched with a 750 double pumper
Dougs headers recurved dizzy and electronic ignition
After tear down I found a cam lobe that was in bad shape which in turn chewed up a main bearing and I assume the cause of the rear main seal giving up. This combo was a ton of fun for a lot of years but I honestly have no idea what kinda power I’m really making. Any guesses? It’s in a 71 duster with an 8.75 with 3:55 and an over drive 4 speed. I haven’t ever put this thing on the track but any day of the week I can lay a spanking down on my buddies 12.20 chevelle on the street
78 360 block .030 over
Balanced stock bottom end the crank and rods were turned .010
Speed pro 116 pistons set at close to zero deck height.( not 100% certain on that measurement)according to speed pro they make 9.2-10.0 depending on heads
The cam shaft is a Lunati .520/.520 [email protected] lift 106 lobe separation
The heads are ported and polished 2.02/1.60 j castings with a good valve job
Intake is a Holley strip dominator that is port matched with a 750 double pumper
Dougs headers recurved dizzy and electronic ignition
After tear down I found a cam lobe that was in bad shape which in turn chewed up a main bearing and I assume the cause of the rear main seal giving up. This combo was a ton of fun for a lot of years but I honestly have no idea what kinda power I’m really making. Any guesses? It’s in a 71 duster with an 8.75 with 3:55 and an over drive 4 speed. I haven’t ever put this thing on the track but any day of the week I can lay a spanking down on my buddies 12.20 chevelle on the street
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