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I like .040 for Comp lifters. I have set the as loose as .010 with no increase in performance. They were noisy at idle with .010 preload and 5w-30 oil. Tightening up to .040 preload lessened the noise tremendously. Running 10w-40 made it go away completely. I agree with others on calling...

I do not remeber anything specific. It could be cumulative.

I agree with the OP's choice to bail. Similar to my GTS threads where I shared tech info and results. You get worn down by the keyboard commando's and withdraw. I see two main types of commando: 1) The novice enthusiast that is so excited about the hobby they chime in on threads in which...

I will be interested to hear feedback on that carb.

I don't care for poly engine mounts. They tend to lose rigidity over time with heat/oil contamination allowing the engine to move around.

I use a 440 source cable on each side (fore-aft) of the driver side mounts and no issues so far after some spirited driving this summer.

If you plan on spraying it do run a single plane intake. I have sprayed using a 2 plane deal and it was okay until we got over 175hp jets. Currently my favorite pistons are Mahle. You should consider swapping the top ring to GNS series SS if you are regularly utilizing a power adder. For the...

I had a set of 440 source heads angle milled .040 from the spark plug side to bring an 8.2:1 440 up to 9.5ish :1. I think if you go much over .050-.060 the intake manifold will need to be corrected on a mill. Both shops I have worked with here in OR will angle mill however they said no cbn...

From a fotment standpoint, he main difference between Isky and BAM lifters is respectively .180 or .210 offset. Depending on how bad the pr angle is and high high the spring pressure is could weigh into your decision. On my -13 Indy headed deal the pr angle isn't horrible thanks to Jesel...

Sonic tests don't lie. I think the cost of building an engine has driven people to check out the blocks more thoroughly prior to dropping 4k on parts and machine work to complete a short block. Generally I use .040 or less blocks for my performance builds. For instance, I wouldn't build a...

For example... 230seat/580open on a .660 net lift street roller cam (2.14I/1.81E, 1.5 rocker) 6500rpm max engine speed 280 seat/720 open on a .740 net lift endurance roller cam (2.20/1.81, 1.7 rocker) 7500rpm max engine speed From this data you can see that increasing component mass (bigger...

Bigger cam and better heads. As said a roller cam would help tremendously.

As a for instance...a friend has a 499" RB with a .509 DC cam. He was ahocked that it made peak power at 5200 rpm and is DONE at 5400.

If it has a tiny hydraulic cam that could create a similar condition. I had a Comp XE grind that would pull hard to around 5800 and hit a wall like it was on a governor.

The only thing missing here is a Gofundme. Well, that and Dr. Phil lol

For what it's worth all of the comp rocker shafts are coated. No grooves but the coatong is slick.

Just because you don't audibly hear detonation does not negate it's existance. In an engine that is getting hammered at WOT you want good fuel, period. If you are really trying to be competitive that engine will respond well to more timing if the fuel you run can handle it. Drill external...

Run 100 and crank up the timing. The issue with pump gas is batch variation and contaminants. I don't like the non ethanol pump swill either.

I wonder if they are getting away from aluminum in the housing due to the rusted MSD syndrome. I'd be willing to bet the composite negates that long standing issue.

That may be true with your cars IDK. I was simply relating my experience from 20 years ago. All of my cars have manual transmissions and a power adder so these slow automatic cars are out of my wheelhouse. : D

Years ago a friend of mine installled a 2800-3000rpm converter and it killed his low speed fuel economy. It did not lock up around town. Probably your best course of action would be converting it to a 4-speed. : D Beautiful car btw! I am an NGK man but have had success and failures with...

My GTS has a Quick Fuel 1050cfm annular 4150 style carburetor on it. This is a 9.5:1 451 with stock exhaust manifolds etc. with a Comp xe294h cam with 1.6's. It is every bit as snappy as the 750 for cruising around and if I'm going to launch it that's 4k and up so at that point it's a wash...

I have used Jones for an endurance 511 low deck, Oregon Cam Grinders for a LS firing order nitrous cam for a 511" low deck and most recently PRH for a 451 with nitrous and exhaust manifolds. It really pays off in hp/tq to work with a cam grinder that has experience doing what you want to do...

Checking the cam timing is usually the difference between "it should run better" and "damn it runs better than I thought it would". I have seen some really piggish rebuilt 440's that need 8,000,000 degrees of timing to run right and the owner swears "she's right here she needs to be, dot to dot".

To answer your question: They sell timing chains that are slighty shorter to compensate for the material being removed. ROLLMASTER CS5150 – Timing Chain Chrysler Big Block 361/440 PRE/EFI Gold Series with torrington bearing & nitrided sprockets, 9 keyway crank sprocket, 3 bolt cam sprocket –...

Damper is junk. How will you accurately check the timing if the outer ring has slipped? It's not 100% about RPM there is more to it.