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Hey guys. Just wondering about hyd lifter preload Adjustment. My 68 383 has comp adjustable roller rockers I adjusted the aprox 4 -5 years ago, I noticed after the engine warms up I can hear a few lifters clacking ( I hope lifters anyway lol) I'd like to pull the valve covers and re adjust to...

Hey guys I just ordered a edelbrock performer rpm intake for my 68 Barracuda 383s I will be running a street demon 625 carb X stock air cleaner, my current setup is stock intake X 3/4" spacer X street demon 625 carb X stock air cleaner with no clearance issue. Thanks for any info

Hey guys I just bought a new set of Comp Cams pro magnum adjustable roller rockers. I am using my checking pushrod for proper length pushrods. My question is where should I position the rocker adjuster screw before mocking up the checking pushrod for zero lash (hyd lifters) Tight against the...

Hey guys I have a 1968 barracuda 383s 4 speed that has a little tick in the engine, when I first start it up you can hardly hear it but after the engine is warmed up it is noticeable. You can hear it at idle and as you slowly bring the rpm up the tick speeds up. My buddies say I am being to...

Hey guys I am about to install a Fel Pro Viton (orange) side strip seal on my 68 383. I am replacing due to my last seal leaking.. I have engine out of car on my engine stand and upside down. My question is where exactly due I put the black RTV sealant and do I install the seal retainer with the...

Hey guys I have been tracking an oil leck on my 68 Cuda 383. The oil was slightly lecking at the rear of engine, I checked all the basic areas (valve covers, oil pressure port, oil pan gasket ) so fearing it was the rear main seal I ran the car for the rest of the summer. Now that it is winter...

Hey guys I ordered stock mopar rocker arms for my 68 383. I got the right hand rockers the following week. Been waiting ont the left hand rockers for 2 months. My question is I can get left hand melling rockers. Are the mopar and melling the same part? or is there a slight difference. I was...

Hey guys trying to reduce the gassy smell of my 68 383. I relize that old cars have some kind of smell, mine seams to have more. It is mainly stock rebuild using KB 400 pistons original intake and exhaust manifolds. I am running a MP electronic ignition and the original carter AVS 4426 carb...

Hey guys I have had bad clutch chatter after rebuilt engine (68 Cuda 383 4 speed) and new mcleod clutch kit and resurfaced flywheel. It looks like my rear main seal is leaking a bit and maybe slinging oil on my clutch. So anyway I have decided to pull clutch and inspect rear main seal. My...

Hey guys looking to replace the rocker arms on my 68 Cuda 383 4 speed.. I rebuild the engine last year but left the stock rocker arms. Still hearing a bit of valve train noise, so thinking possibly rocker arms. I ran the comp cams #1621-16 adjustable roller rockers in my last 440 but are...

Hey guys I just started installing my new yearone "stock look" plug wires, (68 383) and all the the boots that click on to the dizzy cap are 90 deg. Any plug wire I have every installed on a big block came straight up. . What's going on???

hey guys i have a stock carter on my 68 Cuda 383 the 2 air / fuel screw are plugged with soilder. but i have one large screw. is this a air / fuel screw? if it is do i adjust it like an standart air / fuel screw? thanks

hey guys i just broke in my 383. fairly stock hyd cam. I used 10W30 with a Lucus break in oil. my question is how long should i wait to drop the oil, and what type and wieght of oil should i run? Synthetic? Also i find that all my local stores dont have no specialty oils but Royal...

hey guys i am in the process of starting up my fresh 383. i turned the engine over maybe 50 to 70 rotations before i relized that the fuel pump was not working. my question is, is there a chance I have risked a cam failure? because she did not fire rate away? i am putting a new fuel pump on...

hey guys can i run these 2 types of rockers on the same shaft on my 1968 383. they are not exactly the same. the one on the left is the stock rocker and the one on the right is one that i want to run on the same shaft as the one on the left. the guy who i got the one on the right told me...

hey guys I am in dier need of a stock left rocker arm. Any know if the rockers from Mopar Performance are the exact replacment part? in the book it states somthing about reinforced bridging thanks

one step closer to engine install

hey guys i an in the proces of reinstalling my balancer back on my 68 383. I have it lubed up and i can push it on about a 1/4 " with my hand. can i gentley tap it with a carpenters hammer with a 2x4 agaist the balancer just enough to get the bolt started. I noticed every light tap the...

hey guys i am rebuilding my 68 383, and wondering if any bolts on the water pump, chaincase cover, oilpump, heads etc need thread sealant? my manual states nothing about this. thanks

hey guys is .050 to .060 ok to machine off of the valve spring seat? i am using #911 comp springs thanks

any one make BB retainers that would gain me .060 ish on my valve spring height? the heads are 906 and the springs are Comp #911. thanks

hey guys my comp #911 valve spings have an installed height of 1.90 i measured all my springs and my shortest measurment is 1.835 to 1.872 i was wondering what the tolerance was on these springs the engine is a mild 383 with a purple 68 RR cam. thanks

hey guys i just installed new #911 comp cam valve springs on my 906 heads. the 911 springs have a little larger inside diameter than my stock springs. can i use my stock retainers? thanks

hey guys i am getting ready to install my new cam into my 68 383. the cam is a MP purple 68 RR cam. the car is a 68 cuda. it will be street driven only and i am using a new comp cam timming chain and sprokets. I really do not want to buy a degree kit for one use. what do you think...

hey guys i have my freshly build 383 short block on my engine waiting to get assembled. Now i am in the middle of a kitchen reno( to keep the wife happy) and between my 11 month old son and my 3 year old daughter. I am hopping to get her fired up by end of july. anyone see any problems with...

hey guys are the purple cams from mopar still purple? i just got one and there is no purple anywhere. thanks

hey guys is the bolt pattern the only difference between these two Mp cams. I need one for a 68 383 and the 3 bolt cam is 100$ less.

hey guys anyone use the comp cam kit for a 383? it comes with cam, lifters, valve springs, retainers, timming chain and sprockets and valve seals. the cam i would prefer is the stock 68 383 Roadrunner cam from MP. but the comp cam is similar and comes with almost all the parts i will...

hey guys i am rebuilding my 1968 383 engine. i have a few questions about the stock 906 heads. what type of valve seals do i use. if anyone has some pics that would be great. can i use the exsiting valve springs? the engine is 383 super comando. And i will be running a 69 383 335hp stock...

is the the stock wrist pin size 1.094 for a stock 1968 383? thanks