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200-210 is ok as long as it doesn't puke coolant out. I like 180° stat's myself.

.400 measured at the top of the square or the bottom. They have a slight taper and a 1/4" square plug isn't exactly .250.

Use a square drive socket or an 8 point if that's all you can find. Hit the plug with a small hammer to help upset the threads.

The power is in the heads but don't overlook the compression. 9.5/1 is pump gas friendly with iron heads if you don't push the timing too far. A point more compression with alloy heads works. They have good chambers, big valves, and decent ports. A friend built a mild cammed 440 with some...

Only if needed and have it sonic checked to make sure it's thick enough to be safely bored .060.

That's just a common sense measurement. I don't think there is a specific measurement. I think 1/8" is too close and 1/4 is too much. You want a gap but not too close. The TO bearing on the fork is not precise. There is a lot of play and movement. You don't want the bearing touching the fingers...

Take the inspection cover off and look at the gap between the throw out bearing surface and the pressure plate fingers. If you adjust the gap to about 3/16", cycle the pedal and recheck, the clutch should release perfectly. I ruined a clutch by adjusting it by the pedal free play only.

And the lack of compression will kill your performance, regardless which cam you use. The bigger the cam, the worse it is. Small chambered heads will increase your compression but usually no more than a half point or two. Flat top engines can run good as long as the pistons are close to TDC.

:rofl: :rofl: Thanks, Now Lou Graham will be singing in my head all night. LMFAO

:rofl:

But when you overbore, which side do you take the material from? :BangHead: :BangHead: :rofl: :rofl: :rofl:

A 383 is such a good engine they want to be just like their Mopar buddies. Someone says that to me and I ask if it's a Mopar engine. That pisses them right off. :poke: :poke: :rofl:

Where the frick did .060 come from. March your butt back to your title and your first post and you were talking about a .030+ 440. :mob: :mob: :mob:

It's not important

It's crazy some of the discussions we get into on these forums. The OP asked a fairly simple question because he didn't know or understand and I simply answered it in post#2. I should have closed this thread then. All the BS posts here are just going to confuse the fellow. He hasn't been back...

On one side. LMFAO.

Only to make thing's perfect where every last fraction of horsepower makes a difference in who wins.

:rofl: :rofl:

Technically speaking, yes, from one side, but only if you are measuring radius which is from the center to the outside. Diameter is the measurement across the bore so if you remove .030 it's thirty thousands larger. Do yourself a favor and don't go down that road.

There's a reason why the manufacturers rounded (usually up).