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Mopar engine and performance questions submitted by our readers and answered by our technical editors.

In Lieu Of Lube

Do you pre-oil Moparhydraulic lifters beforeinstallation? I mean, filling thelifter itself with oil? I am sure Iread in the M.P. Engine Manualnot to do that as it could causepiston damage. Correct. Do not pre‑oil them(except for obvious

A Mileage Melee

A friend of mine bought a used ’95 Ram pickup with the 5.9L Cummins turbo diesel. He’s getting almost 3 MPG better than my new 2010 5.7L Hemi Ram, even though mine has the MDS . I say this is because the diesel has a much higher

In Lieu Of Lube

Rick, do you pre-oil Mopar hydraulic lifters before installation? I mean, filling the lifter itself with oil? I am sure I read in the M.P. Engine Manual not to do that as it could cause piston damage. What’s the score, E’Berg?Correct. Do

Sealed With A Kiss

My 440 with aluminum heads has had a consistent problem with intake manifold gaskets leaking and sucking oil. I have tried gluing the paper six-pack gaskets on, all kinds of gasket sealer, and so on. I’m tired of taking this apart. Is

Boring Question

Recently I gave my brother a‘76 318 to put in his ‘64 Plymouth. Upontearing it down we found a huge gouge in acylinder wall. My question is: Can that blockbe bored completely out and have a set ofsleeves in the 4.00 to 4.20 range


What do you think will help my ‘73 340 get the max life on the street, on a budget, a flat hydraulic, or a flat solid? Any thoughts on oil system mods, oil, oil filters? Some say more lifter rotation is better—hydraulic. But I think the

The Buddy Holley Story

You’ll be rockin’ and a-rollin’ when you razor-tune your Holley carb. Story and photos by Richard Ehrenberg, SAE Building your Mopar to pure, dead, OEM-stock? All the tuning info you need is in the FSM, right at your fingertips.

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