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You know, I am starting to get the definite impression that Brian doesn't like Tony too much!

They really put some small camshafts in the 360 starting in the mid '70s, in order to meet smog requirements. In California, where I live, can you believe that they even had to add an air pump to the 252/252, .410/.410 cam in order to make it meet smog! However, I have found empirically that...

1973dusterkid, I hope I am not hijacking your thread, but I built a hot 360, too. I used zero-deck pistons, milled some heavily-ported "J" heads down to get a 10.5:1 CR, installed 2.02" intake valves and used a Comp Cams 20-243-4 camshaft, which has about 246 degrees of duration at .050 and...

The LA 360 did get the hydraulic roller cam in 1988, but it might depend on the production date. Production of the 1988 models probably began in July of 1987, so the question is whether all the MY 1988 engines got them from that date forward, or did they phase the roller cam engine into...

Original sheet metal factory valve covers, which are clean. Using the Moroso hold-downs. I really don't want to have to permatex the valve cover to the cylinder head, not only because it is redneck, but also because it is so hard to get the permatex off later when replacing the gasket, and...

Yes, Peter, I know that TQs can be a PIA sometimes, and maybe I am a glutton for punishment, but I really like them. So is the Carter Performer carb square bore or spread bore? Gotta have spread bore!

I've built 2 LA motors with TRW forged pistons, and am happy with them. But that was about 15 years ago, and I have not checked whether TRW pistons for the LA are still available or not. They made both a stock dished model and a flat-top one.

It turned out to be that the ThermoQuad was leaking fuel from the float bowl into the engine, partially hydro-locking it, and then the gas went into the crankcase. It still ran fairly well on the primary and secondary circuits of the TQ, and the idling problem was the main symptom once it was...

I would like to thank all of you nice people who replied for trying to help me, and to assure you that I did try everything you suggested, to no avail. So I had to take the vehicle to a hotshot mechanic friend of mine, who is one of the last mechanics in my area who still works on carbureted...

It's a factory stock 360 with a ThermoQuad that was running well until the other day, when it started dying at idle. It will idle OK for about a minute when you first start it up, but then it starts slowing down and eventually dies. In the past, when this engine would start running badly, I...

Just my opinion; YMMV, of course, but I have several older Mopars and I like to repair their wiring harnesses, not buy new ones, because I feel my repairs make them better than new. New harnesses are greatly overpriced, IMHO. I carefully solder in new, heat-resistant wire of a larger gauge...

Rumblefish360 said" "Your right, they corrected that later. You ***** and complain to early. LOL!" Oh yes, you are correct, Rumble! My mistake. Thanks for pointing out the later video. OK, for those who are keeping score, the final horsepower numbers were: Mopar small block stroker: 531 hp...

I know this has been discussed before, but they deliberately crippled the Mopar motor's power output with a 170 cc-runner intake manifold! They agree that the Mopar motor would have produced a lot more power if it had been ported to 190 cc. intake runners like the Ford had. Freiberger says...

Don't make the same mistake I did: not understanding that you've got to have quench. Make certain that you've got your quench all figured out.

Thanks for all the replies. Since I already have them, I think I'll try using the cheap Fel Pro gaskets with the Moroso hold-downs and give you guys a report later on whether they leak. I may have to buy the better gaskets later.

I'd like to resurrect this old thread. I had been putting off replacing the V/C gaskets on one of my 360 LA motors that had developed an oil leak, and the engine got really greasy and dirty. It was a lot of fun cleaning it off. I'm pretty sure it was leaking at the V/C gaskets, but I really...

Hope I'm not beating a dead horse, Roger, but OMG I must be dumb. " 'Splain, please", as Ricky would have said to Lucy, why isn't a Power Lok a "posi"? Doh, I feel like I need to know this!

I'm not following you here. The Chrysler 8-3/4" Dana Power Lok diff really existed from 1958 to 1969. The part no. was 2881487. If I missed your point, I apologize for being dense.

Point taken, Max and Rusty. Thanks for the correction. I wasn't clear on the difference between D/C and M/P.

Max, I am going to disagree with you. My "Mopar Engines" book, 8th Edition, published by the Chrysler Corporation (no publication date given) says at page 39 that there were three 4340 billet steel cranks for the 360 (i.e., large main journals) available from the factory for those who wanted to...

I don't have any answers for you but I am very interested in your thread because I'm having the same problem with a 360 that is similar to yours, except that the best gas we can easily buy around here is 91 octane, and the engine really detonates on that. Ported "J" heads. No quench, I guess...

In order to rule out a fuel delivery problem, try squirting carb cleaner into the carb throat when it is running and see whether it runs better or worse when you do.

I got it running pretty well. I found two problems: I forgot to change the ballast resistor. I had used the old 1.6-ohm ballast for a points system rather than the correct .8-ohm ballast for Mopar EI with an MSD Blaster 2 coil, so I was getting twice as much voltage drop in my ballast as I was...

"Probably not a good idea for a new mechanic." I'm not really a new mechanic, Mark. I am moderately skilled, but not nearly as smart as a lot of the guys on here, so I guess it won't kill me to be honest about it.

I have thrown some parts at it over the past year, thinking that it might be electrical: MSD cap and rotor, Accel wires and new plugs. The only other spark issue I'd like to check before focusing completely on engine vacuum is the reluctor gap in the Mopar EI distributor. Now I'm an amateur...

Sure seems like a vacuum leak to me, too, but I'll be durned if I can find it so far. The engine won't keep running, even with the idle cranked way up, so I can't check the manifold vacuum! Thanks for the suggestions. I will try them and report back. But I may also have to have a friend who's...

One day I went to start up my '62 Valiant resto-rod with a non-Magnum 360, and it had a huge miss. Wouldn't idle. It will run if you hold the RPMs up, but still seems to have a miss. I've squirted carb cleaner into the idle jets and carb throat, with no improvement. Sure would appreciate it...

Sorry, too many self-professed "know-it-alls" on here. If you guys want to display your insecurity, do it with somebody else, please.

BigBlockMopar and Rapid Robert: since neither of you seems to have read the earlier posts in the thread, I am going to have to disregard your replies.

I know the SCR is low, but I think it's about 8.5:1 because the heads were milled and the block was decked. I don't want to change the basic engine tune because the speed shop that built the engine for me has it running nice and strong, even though it is a low-compression smog motor (forged...