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The car and engine: -66 Polara, 383 0.030 (389 cu.i.) flat forged pistons @0.019 down the hole, Edelbrock RPM intake, E-Body HP manifold, 2.5 double exhaust, 650 AVS2 carb, cold air intake air cleaner, 3.23 Auburn rear end, 915 heads, stock rebuild -66 727 with a valve body from -71 (with part...

I've been posted this tread in difference places hoping to get answers that could help me... To make a long story short. This winter I change from Mopar M1 dual plane intake mainifold to the manifold that all recommended for my mild 383 .030 over, decked block, Lunati 256/262 @050 213/220, Speed...

New build 383, 030 over, 915 heads, correct preload on lifters, new ignition parts, 12 degree initial and 32 degree total @ 2.200 rpm, 95 octane gas. I thought it was a exhaust manifold gasket leak but I replaced the gasket and looked at the gaskets i replaced and they are okay and no sign of...

My old 383 -66 bottom end is worn out and I’ve got my hands on an rebuild .030 bottom end with new bearings and Sealed Power/Speed Pro L2315NF30 forged piston. I’m planning to move all the stuff from the worn out bottom end to the rebuild bottom end. The camshaft I’m using is a mild Lunati...

Bought a brand new newer opened Auburn 542051 but shuoldn't there be any preload springs? Like on the package?

Overhauled a -72 727 a couple of years ago because my -66 727 didn't shift like I want, anyhow this weekend I decide to shift gearbox to the overhauled 727. I bought an used converter to fit the "newer" 727 splines. Got it all together and filled it up with aboul 7 qts but when I start it up a...

Got a good deal on 3.23 gears but I'm away and can't remeber if i've got 741 or 742 on my 383/727/2.76 -66 Polara. Whats most likly that my car got from factory, 41 or 42?

383 with ticking niose but only when the engine is cold. Got the ticking noise when I bought the car, totaly stock 383, I then changed the 516 heads to a reworked 915 heads, new Lunati cam kit with lifters (701/301LK if it matters) new pushrods to get the right preload, new cam drive kit from...

Todays activity... Running in my new flat tappet mild Lunati 213/220 @ .050 kit incl. lifters, new stamped steel rockers and new pushrods, about .055 preload. Cam riched lubed with the Lunati lube that came with the cam. 10w/30w oil with a bottle of cam break in oil add. Oil primed 2 turns...

I'm familiar how to do it but what does the - (minus) sign means on when intake opens at 0.050? The cam card says -1.5, should I degree it 1.5 degree BTDC or is it 1.5 ATDC as there's a minus sign? The most cam I've been in touch with use to be degree 7-8 degree (without a minus sign) BTDC...

Hi, I got my hands on a pair of rebuilt 915 heads a couple of mounth ago. Now when I was planning to mount them I see that the shaft on the intake valve is a tiny bit shorter than the exhaust valave, if I look at the cylinderhead in its lenght I see everey intake valveshaft a little bit lower...

Stock -66 383 2bbl now with: 915 heads, Mopar alu M1 dual plane intake, Eddie 1406 carb, HP manifold, dual 2 1/4 exhaust, 727 with stock TC, 2.76 open rear end, Mopar Performance electronic ignition with orange box. This winter I'm going to change lifters as some of them makes a little...

I have no idea what happened, I drowe to the garage and changed oil and filter and when I then started the 383 -66 I've got no oil pressure!!! Let it idle for a minute or two but no pressure and I can hear that the lifters got no pressure. This is the third time I changed oil and filter since...

My 516 closed camber heads needs a rebuild but I've got a pair of 906 open camber (from a 383 Magnum -70) in good condition. Is it possible to use these 906 heads on a stock 383 -66? The service manual say 9.2 to 1 compression ratio on that engine. I think the 516 have 6cc less chamber volume...

Hello! I'm an owner of a 66 Polara that have been in Sweden since 2005 an I'm the second owner here in Sweden. The engine is a 383 with Mopar aluminium intake, blocked heat riser, Edelbrock 1406, 1/2 inch carb spacer, HEI dist, B-body HP manifold and a custombuild 2 1/2 - 2 1/4 - 2 inch...