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I bought it with another knocking 440HP (6pk rods) in it, so I never experienced the 383.

Swapped in a 1968 440 from a 300 4dr into the originally 383-powered '66 Coronet.

Been there as a 17yr old kid with a '66 Coronet 500 with a swapped & modded (by me) '68 440. It took great restraint to survive that, and once I was 18-19 and drinking beer, I really don't know how I made it!!

I should have said "RATED cfm"...LOL

YES!! THIS^!! You have to basically DOUBLE the CFM when switching from a properly built/tuned engine with a dialed open plenum single plane to a 2x4 tunnel ram. 340=2x750, 440=2x850, etc. We ran 2x660s on our FED rail 383 (Offy TALL tunnel ram) and I felt it needed 2x750s, we went to a 471"...

Speaking of manifolds, did anyone else notice Nick had a short, maybe 1/2" spacer on top of a divided-plenum intake? I've never liked that transition from open to flange irregularities/shelves. On a 4-hole intake, you can run an inverted tapered 4-hole spacer with the holes DOWN to smooth the...

OH and I like the "B" motors just fine. We ran 8.65 in the 1/4 in the heat with our old nostalgia rail with an all-iron 383 back in the 2000s, TRW dome pistons, 915 440 heads with Pontiac 2.11x1.78" 11/32" stem valves, Lunati solid FT cam, 265/271*@.050", .576/.562" lift, Crane gold roller...

Nick says the pistons are .050" in the hole, replacement forged pistons (TRWs?). He milled the heads .020" and used shim head gaskets to bump the compression some, but zero decking (or even positive deck piston crown, like some '69HPs are) would have really helped. I didn't watch it thoroughly...

Bolt-on's I don't know. Starting clean-sheet but on a budget, get '85-2002 replacement pistons (more compression height than the older pistons, even the 4-eyebrow early style) and start with #302 casting (heart shaped chambers) heads, modified for 360 valves (1.88x1.60"), with chambers...

PM sent.

The MoPar PurpleShaft solids are .028/.032" pretty much across the board, I always set mine at .024/.026" HOT and had no problems. Much less noise, and I ran them with 1.6 rockers as well. Play around with it, but unless you are lacking bottom end, tighter will be better up to a point.

The Norris is: #356DMS 304/312* 244/258* .534/.517" 107LSA .030/.032" LASH

Yes I used it to replace a 7.25" in my '71 Demon (318 car), and it held up to hundreds of runs with a 400hp 360 (mid/low 12s) and a 525hp 416 (low 11s) but I was footbraking with 3.91 gears and a Sure Grip. I haven't inspected it but it worked fine when I ladder bar'ed the car with an 8.75" and...

Just got the PM, I was on the road all day yesterday coming back from the No Name Nationals in Missouri.

Interested. PM sent.

Hey everyone: Looking for an incomplete set of P2843177 solid lifters (hollow, with the pushrod seat held in by a snap ring). Maybe you broke a set for a Slant Six and have the 4 spares, or maybe just extras laying around. I need these to complete a partial set I have for a V8 application. Thanks!

My first 4" stroker was a SCAT cast unit (stronger than Eagle, but this was in '99 so nobody really knew then) I got from MoPar Perf. It had to have Mallory metal with lightweight SIR Eagle rods and Diamond dished pistons, which I thought was odd. The last one I did, I used Magnum 5.9L external...

I don't own the Barracuda, it's "Gary's Garage" on YouTube. I am, however, building a 318 Magnum based 390 (dished pistons, RHS heads) for my '99 Dakota R/T ext.cab. It's a heavy truck and I want more bottom end but really don't need a 408, so I used an old 5.2 block from a '92 D-150 shorty that...

I'm thinking the pin overlap might be adding to the Eagle crank failures. A good many of the failures are from people with engines far beyond any cast crank usage, like really high RPM or boosted applications (nitrous/etc.). Your lightweight skinny rods will help and the low RPM ceiling. When...

These guys^ did exactly what you are describing, and 20+yrs ago, "Speed-O-Motive" offered a kit to make a "350" MoPar 318. The guys in the video had to relieve the bottom of the pistons near the pin bosses to clear the counterweights, but they used replacement pistons for a super-low compression...

I need the steering center link, sent you a PM, thanks! RB

Six hundred dollars?? Wow

Anyone?

Go ahead and use RED Loctite, the myths about disassembly are exaggerated. Looks fantastic!!!

Those who recommended the 340 cam are leaving a lot of torque out, but it would idle decent and have a broad band. From personal experience with street trucks and tow rigs, a 110*LSA would put you in the torque band quicker and with a higher peak. In my '86 D250 tow rig, I used the 272H-10...

Magnum engines made a believer out of me in the early 2000s. I was a big block guy until 1999 when I built a '71 Demon with a 360LA. Had a bunch of fun with it, and I had a '68 Dart with a tired (but quick!) 400 BB and 4.30 gears. I cannibalized the Dart for parts and put a mildly modded 1994...

Looking for a V8 (273) center link, putting a 360 in a '66 Valiant. Thanks in advance.

PM sent.

Shipping to 31061?

I would NOT recommend an 8.25" rear for 4spd drag or transbrake automatic cars due to shock loading and the crush sleeve and c-clip axles (27spl.) primarily.