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I have a rebuilt stock bottom end 318 with flat top pistons. Pistons sit in in the hole a little and I'm going to measure for exact. My question is: I have a matching set of 360 j heads 1.88/1.6 valves that were milled to 49cc chambers. I ran them on my 360 for awhile but it was too much...

I figured my compression with a calculator and need a sanity check. Can someone double check my math? 360 engine 4.06 bore 4.108 head gasket .042 thick 49cc heads stock stroke pistons at zero deck with -5cc valve relief. I'm coming up with 12.5-13.:1

I never thought much about where my plugs are sitting in the head after I milled my heads. Now I'm talking about alot of milling. My j-heads cc'ed at 49 so you know there was a bunch taken off. My question is since the heads were milled so much should I be concerned about spark plug depth in the...

Anyone know of a good brand of octane booster that actually works? I am running close to 10.1 compression and I think the gas here in New Mihico sucks. Best I can get it 91 octane. I have a detonation issue at 60-75 mph when I put the gas pedal to the floor. Doesn't have issues at low speed. I'm...

Here is a pic with the manifold installed. Everything fit really good. after machining the intake. (.090 from both sides and .03 from the bottom rails.) Letting it set up over night then finishing it up tomorrow!!

I was going to put some time and effort into a set of 302 castings I have laying around for my 360. I soon realized that The money it would take to make them flow on my 360 is out of my budget for now. I think I will save them for a nice 318 build later. I currently have stock rebuilt...

Is it worth the extra money for a aftermarket distributor with a "built in performance curve"? I understand that the distributor is just a trigger for the spark but, I can't help wondering if my autozone vacuum advance distributor is not up to par for my msd box and high energy coil...

On a stock 360 bottom end including pistons, what would be the performance gain going from the 1.88-1.60 j-heads to eddie heads? I am running the eddie rpm intake and spitfire headers with dual exhaust. Cam is a voodoo series .454/.475. I'm guessing the gains would come from the smaller...