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What was his thought on full groove main bearings?

I found the part no. listed in a Mopar catalog under Nascar and Late Model

$719.00

I been wanting a 3.58 stroke crankshaft for a 340 for a while, i seen Summit brand cranks, and research told me they were made by Scat, so they were on sale so i pulled the trigger and to my surprise this is what i got, anybody know who made these for Mopar?

KB pistons have coated skirt now, i ran them in my 360 for 10 years with a .030 top ring gap, i drove it on the street, and then it became just a race engine.

I had shop call me they were looking for a 340 block, told them i have standard bore block and main for $900 they did even think twice and said i will take it.

If your running a KB pistons they should be above the deck, by at least .012 maybe more. i would think anything less .040 is a little to tight.

The best dyno is the one with 2 lanes and a timer.

I love 340s i would keep it and use it someday, you will not be disappointed. and you don't need a 4 inch arm, they are overrated in my opinion.

The Strip dominator is a small intake, much smaller than a Victor or M1.

The part number is on the flange, my friend did make it that way, but you never tell he modified it at all.

That tire size is plenty for a 340.

I have to agree with Newbomb, you should be running in the 12s easy with no nitrous, maybe a better cam, or something else is the problem.

Small Block Mopar

I have one of those rare M-1 square flange intakes

Howards is grinding the Mopar performance cams for Mancini

I ran 10.60s with my 360 with iron J heads, and flat top pistons. Did not have 355's

So a standard port for the small block, and a max wedge port for the big block does not seem fair. Hypothetically

If we are talking stock big block vs stock small block. I will take a 340 over a 383 or 400 any day of the week.

Convertor was a 3800, gears 4.30. I drove it to the track and drove home, car shows, grocery store, very street friendly car. 318s run good. the car went 1.62 sixty foot

My Duster with a 318 that was 9.4-1 comp, Edelbrock heads and intake, NO whiplash cam, ran 11.70s 1/4 mile, it had to make around 300hp i figure.

Some good information Thanks Have you every CC an intake? have a friend that has done many of them, very interesting to see the difference. I think everybody would be shock how big a Thermoquad intake is.

No, it is round, but exact bore size

I have a 273 with a 3.70 bore, and Cometic made gaskets for me.

I had a 318 in my Duster, KB pistons 9.4-1 comp with stock Edelbrock heads, cam .545 lift cam, air gap intake, 430 gears, great street car! drove it to the track, full interior went 11.70s on good day and 11.80s in bad weather. 318s run great just need to have the combo right.

Cometic will make you any size gasket you need, i have a 273 that is .70 over and they made me a gasket that fit my bore size exactly.

No manifolds, running headers, 4.56 gears and about 3100.

My 360 with a stock crank, flat top pistons and ported J heads, .510 lift cam went 10.60s i don't see the need to do a stroker to be in the 12s, just my opinion.

KB 107 after a couple of deck clean ups over the years, these pistons would work good with your SM heads

Get yourself some 107s and you will be good on compression, i had to mill my Speedmasters down to get the comp i wanted. Have fun!