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i have a 68 340 that has some type of mopar cam in it. i also have a mallory distributor with mechanical advance. i tried to put the timing to about 6 btdc and it runs crappy.so i put it back to somewhere before 12 btdc as i cant see the mark behind the water pump. it seems the farther i...

any ideas,ive been trying to figure this out since about xmas,i put in new headgaskets on my 68 340 .i got the felpro 8553 ones.after starting it up it has terrible lifter noise ticking.the rockers seemed loose so i bought a pushrod checker and it said about 7.53 so i found some 7.550 and put...

just curious if anyone knows how much oil should be on the rocker arms of a 340 when running ,I have the valve covers off and there is barely any oil. shouldnt it be running all over? the rockers just oil out of the 2 ports 1 on each head coming to the shaft right?

ok i got my 340 together again and ran it,same dam lifter noise.i measured the pushrod witht the measuring tool.it was about 7.53 to get the preload to as close to .030 i could measure.so i got the 7.550pushrods that were already made.when i torqued the rocker shafts down the lifters at both...

i am wondering how exactly do you use the mopar kit with the shim to block the heat crossover? it seems that there isnt alot of gasket to go over the shim and seal it.its almost as thick as the gasket and it sure doesnt look like the gasket can get a good seal around it? what about using the...

i measured my pusrod length with my checker and it came out to about 7.530 with the lifter just depressed to contact then 1 turn with the pushrod tool.so i added .020 to get it to approx 7.550 length.apparantly this must be fairly common with the 8553 felpro gaskets?as there are many diffferent...

i am wondering where excatly are you suppose to put the shim on the intake gasket to block the heat crossover port.what is the open space for above the port?any tips on installing it i ahve a m1 dual plane and the moipar gaskets. tks

i am trying to measure my pushrod length on my 340 with stock rockers.some of the hyrdaulic lifters will push in slightly and some are very stiff.is this normal ?how do you measure the .040 plunger preload ? should the lifters all either push in slightly or be real stiff.. tks

i just put new felpro 8553 pt head gaskets in.now all my rockers are loose,they rattle on the flat side of the cam.and the push rods rotate freely.what kind of preload should be on the lifters .these are factory non adjustable hydraulics.napa called felpro tech and he gave excuses,i know there...