Full Answer
How good is the Mopar 4x4 Cam?
Mopar put a lot of time and research and even dyno and road testing into that cam. It has a little lope but great bottom end response and will work with a stock torque convertor (11" 1600 to 1800 stall speed). You will even find the gas mileage will be reasonable.
What LSA for 360 degree Cam?
This cam is on a 110 LSA and the factory 360 cam might be at 115 deg. The lower LSA cams like the 108 deg will build more peak torque but for that one you will need an increase in the CR to deal with the overlap and the late closing intake valve, not to mention deeper gears. Meep-Meep and Coronet 500 - thanks for the great advice.
What kind of CAM should I get for a stock conversion?
Get your hands on the Mopar Performance purple stripe cam. Mopar put a lot of time and research and even dyno and road testing into that cam. It has a little lope but great bottom end response and will work with a stock torque convertor (11" 1600 to 1800 stall speed). You will even find the gas mileage will be reasonable.
How much horsepower does a 360 cubic inch LA engine have?
Final numbers on the 360 cubic-inch LA engine were 387 horsepower and 434 lb-ft of torque. That means a net increase of 162 horsepower and 96 lb-ft of torque over the OEM engine configuration. While this isn’t a monster-power build by any means, it also doesn’t have any extreme parts on it, either.
Is the Chrysler 360 a good engine?
The Mopar 360 can make an excellent performance engine. It was introduced with a 2-bbl carburetor in 1971. Not intended as a performance engine, it also featured a cast crankshaft and low compression ratio (8.5 to 1) cast pistons.
What is a Mopar Cam?
Description. Mopar Performance cams are designed and engineered exclusively for your engine. A wide range of profiles is available from mild to wild and bracket to all out racing. All Mopar Performance cams are designed, developed, dyno'd and track tested by engineers.
How do you degree a Mopar Cam?
0:5011:59How to Degree a Camshaft in a Chrysler 440 with Elana Scherr and ...YouTubeStart of suggested clipEnd of suggested clipSo what I like to do is I put the degree wheel on a nice ballpark it TDC is lined up with ourMoreSo what I like to do is I put the degree wheel on a nice ballpark it TDC is lined up with our pointer. And I rotate the crankshaft around and lowers the piston.
What is a Mopar Purple Cam?
Mopar Performance cams are designed and engineered exclusively for your engine. A wide range of profiles is available from mild to wild and bracket to allout racing. All Mopar Performance cams are designed, developed, dyno'd and track tested by engineers.
What is the Dodge purple called?
Plum CrazyDodge's Plum Crazy (or In-Violet for Plymouth and Chrysler) was the most vibrant variation of purple ever seen to come straight from a manufacturer. The adored FC7 plum paint quickly provoked a cult-like following that intensifies with every passing year.
What does Degreeing a cam do?
Is to achieve the correct valve opening and closing points for your engine. All of our new camshafts are ground to exact specification using the latest CNC machining processes but there are other factors that can cause incorrect camshaft to crankshaft phasing.
Do I have to degree My cam?
Pit Stop with Marlan Davis: Degreeing a custom cam ensures its maximum performance, helps prevent piston-to-valve contact, and protects against assembly error. The bigger the cam, the more important this is.
How do you set a cam timing?
0:172:44How to time your camshafts correctly. The most common human error ...YouTubeStart of suggested clipEnd of suggested clipThe camera angle is above. And not directly horizontal with the timing mark that we're trying to setMoreThe camera angle is above. And not directly horizontal with the timing mark that we're trying to set. So it gives a false indication that the timing is actually off if your timing camshafts.
Coronet 500 Well-Known Member
That cam looks good, a back cut with a 3 angle grind would help. I like vacum secondaries on street automatic cars and your CFM is bang on. Have you seen Comp Cams Camquest6 program, look it up and plug in your numbers to see what they suggest.
Meep-Meep дворянин
8.5:1 will limit your cam selection as you seem to know and I would focus on a cam specifically designed for that low CR. Edelbrock makes some nice packages for low CR engines. I used the mild one on an FE Ford build and it ran great. It had 160 PSI and ran great on 87 gas. Running 91 gas with 8.0-8.5:1 CR is not doing you any good.
68 Sport Satellite Well-Known Member
Thanks for the advice guys. Seems you both concur on the 3 angle backcut valve job. Meep-meep, thanks for chiming in on my octane requirement. I mistakenly thought that higher would be better.
Meep-Meep дворянин
As long as you have the intake and carb then run it. That set up is not holding you back so spend the money somewhere else where it will do more good.
68 Sport Satellite Well-Known Member
thanks for the advice guys. Just to clarify - all of the specs i've listed for my car is as it sits bolted together right now. I don't have spare parts waiting around to be installed - this is a driving vehicle.
Coronet 500 Well-Known Member
I agree with your cam choice and with the head work and that 680cfm carb you will definitely get a great performance gain. My comments on duration were to mean a little more would be better but a lot more would be restricted by the cylinder heads. Too many over cam a good combination and kill it.
Meep-Meep дворянин
There's no reason to increase CFM if your engine won't use it so stick with the 600 Eddy since you have it. A cam change as outlined above would be a good move if you can also increase compression.
What engine does Richard Holdener use?
Luckily, Richard Holdener is about as anti-brand-fanboy as they come. As such, he has this LA-series 360 engine out of his 1975 Dodge Tradesman van with which to conduct his usual dyno experiments on. Starting with a bone-stock 360, Holdener got a baseline before throwing the kitchen sink at the engine, in terms of bolt-on modifications.
Is a Mopar a small block?
Generally, when you think Mopar, it’s usually the big-block engines that get the lion’s share of the attention. However, the LA-series, and less-common A-series, small-block Mopars are no slouches. Even though they are often overshadowed by the other two-thirds of the “Big Three,” the small-block Mopar engines have just as much potential as ...
ddpsnake Well-Known Member
Looking for a camshaft, my build with about 1000 miles.360 30 over 9 two to 1 pistons, 340 j heads 202 valve, edelbrock rpm performer, headers, 600 holley, stock convertor,323 sure-grip.my cam now is the comp 262, witch me and my engine builder say is small, also i have power brakes.my last 69 dart build had the 280-474 purple cam love it.want to keep thing simple, using all stock rockers.so whats your advice on what would give me more power, and decent driveabily.thanks .71 satellite..
rumblefish360 Well-Known Member
What kind of power are you looking for or goal your trying to meet? Besides more power and drivability. Would it be more low end torque or more top end HP?
ddpsnake Well-Known Member
well no gear change in mind 2800 stall ok with that 904 tranny 255 60 15 rear tire, i would like power from 2000 to 5500 if that make any sense.
rumblefish360 Well-Known Member
I did leave that out, dang. The compression ratio would be good to know. Cranking compression is also good but can be effected by the cam a little bit.
rumblefish360 Well-Known Member
Another good choice I stumbled on below. The company suggests 3.55’s. Use a 18 inch header collector extension for added low rpm torque to help get you moving with the 3.23’s and large tires.
Master Gunner FBBO Gold Member FBBO Gold Member
You may want to give the guys at Hughes Engines a call, unlike Summit and Comp, all they do is Mopar. Best bet is to give them a call and tell them what you want to do.
forphorty Well-Known Member
The current cam is the Comp XE 262, correct? I think that's probably a pretty good cam with your stock converter and 3.23 gears. I doubt any cam you could install with your current setup would make an appreciable difference in performance for the money/ time spent. And I think the 340 repro cam would be a step backwards.