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I have a 383 bored 60 over comp cams XE268H edelbrock intake exhaust headers prw roller rockers 2800 stall car runs good but right now too rich plugs turn black pretty quick. A friend of mine is saying the 750 is to big for my motor? We tried to tune the vehicle a week ago but the mixture...

Last weekend I broke the motor in letting it idle at 2000 to 2500 Rpm for 25 to 30 mins. Our first bresk in attempt we ran into cooling issues and think I've solved that along with a couple coolant leaks. Issue now is on the passenger side and drivers side I notice blue smoke. More so on the...

Hey all trying to figure this issue out before I tear the motor back apart I'm getting oil out of the gauge port port but not enough to read any pressure. I'm using lucas sae30 break in oil with zddp not sure if that oil is too thick? I checked the oil pump and it seems fine. As a last...

Ive been searching on transmission cooling and theres tons of different opinions. I am in the process of running transmission cooler lines and not sure if I should bother with a tranny cooler or use the rad alone? I am using a new aluminum rad with the built in transmission cooler. I will not...

Need some advice pls I have a stock motor 383. I dont plan to race. Should I still install an external tranny cooler or is the tranny cooler flowing through the rad sufficient enough?

Installed our 727 trans tonight but the tail shaft was angled to the right when facing the vehicle back to front under the car. Are the mounts on incorrectly? I had to use a strap to pull the trans straight. It was hard. Or do I need to adjust the mounts? We just put front end back on last...

putting my new rockers in and was curious about side play. I see each rocker needs .10 to .15 end play. does this mean I would need total .20 to .30 total (10 to 15 thousands on each side of the rocker that rubs against the hold down) or 10 to 15 total for two rockers to go side to side? I...

can someone comment on this pattern using new bearings and reused existing pinion and ring gear using crush sleeve eliminator. I tried my original shim size and I couldn't get the proper pre-load. removed 0.016 and can get pre-load now. backlash is at. 0.09 it says to increase backlash if...

Can anyone let me know what the OEM weights are for pistons ? My rods and pins are already together by the machine shop. i want to weigh them before putting everything back together. how close should they be to oem or if they dont need to be close to oem weight how much variation can there be...

trying to figure out why my tranny has no end play. took it apart again. should I be able to push the input shaft in and out easily and have it move slightly? I have a dial indicator. I'm using the thinnest fiber ring I have. also should I be able to spin the output shaft easily with the...

383 motor rear Main seals and side seals I bought a fel pro kit 40240 the half seal is are black and the side seals are blue should I be using silicone sealer on both seals or install dry? of course I will greasing where the crank turns thanks

putting my heads back together my comp cams kit came with Umbrella type valve seals. are they any good or should I go with positive type seals

working on rebuilding my motor and notice the main crank bearing doesn't sit properly is this normal do I need to shave it to fit?

I had a question about the rear end I lost some pics and videos when I was taking apart the rear end. Does it matter what side the axles are on? I notice one axle has an adjuster which side would that one go on if it matters? Also is there a gasket that sits between the break backing plate...

i just finished rebuilding my 727 and notice the shaft is pretty hard to turn should the shaft spin easily? new frictions and steels and seals. using thinnest steels and frictions available. the tolerance was in the middle of the acceptable range but what i did notice was on some spot...

I am in process of rebuilding my 727 seems my front clutch pack has about 1.75 of clearance FSM calls for 0.47 to 1.10 Is there any issue if I install 5 friction/steeles to bring me inside tolerance? with 5 steels/friction i would reduce my tolerance by 1.30 and with a 0.60 ring it would set...