Cast 273 rockers or factory steel rockers budget 360?

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66fs is correct. The KISS method works well for mild applications. If your not overly concerned about every last bit of .001 lift but your just looking to do some basic hot rodding, the OE rocker will be fine. Use with mild spring pressures on medium lift cams and all will be good.

Im not sure what the OP has in mind for a performance goal in terms of a 1/4 mile time though racing the car may never happen, but a good example of a basic build is when you look at the MP Speed tip section. There cams aren’t a big lifting stick. There cams are low lifting but with a good jump in duration. With a good valve job, the engine performs. Bowl work a plus on some of the tip times is very helpful but not needed if your not bracket racing.
 
66fs said:
Budget and 360. Simple, they just flat out work. No pushrods to buy, no adjustment necessary, no shaft decisions, just check to be sure there is no valvespring or retainer interference.
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I agree. But IIRC the OP already has them. So it’s a bit of work and some pushrods.

I like to be able to set the preload at 1/8 turn. A 1/4 turn for just driving around.
 
yellow rose said:
... I like to be able to set the preload at 1/8 turn. A 1/4 turn for just driving around.
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I do also, but typically if it is general high performance, I use shims. They get me close enough for a hydraulic cam, and as you know, it makes a difference. But I personally don't run hydraulic cams. It all depends on what you are up for, how we spend our time, and what is the benefit. Racing is another ball game, and I rarely give an opinion on that forum.
 
i used the 273 on my 340 never had a problem
 
I'm probably going pretty mild cam-wise, something in the mid .4's lift certainly not over .5 lift but still looking. It's a light duster with 4.10 gears but only street driven, as for converter...something cheap, may even try using the /6 converter I have or a one out of a 318.
 
stock rockers
lunati voodoo
good to go
oil through the pushrods if concerned about rocker cup wear
use single springs
beehives would be a better investment than adj rockers AND pushrods
cut the guides for viton seals
did you post your compression and all the other details?
318 converter will work with a torquey cam
remember the balance adapter or find a 360 converter
late hp 360 converter for value build
 
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Yeah, your good with the stock hydraulic rockers. 4.10's in a Duster with a warm 360 not sure how you will keep from loosing traction.
 
JDMopar said:
:steering::lol:
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Yep. Use them if you want to screw with them, the pushrods and the adjustment. I doubt there will be any horsepower gain. If so only marginal. Not worth the effort.
 
Is this a low compression 360?
if spend the rocker money on lube saver lifters
256 lunati cam 262 you will need more converter
want to splurge 256 Mike Jones cam
 
Wyrmrider said:
if you use cup adjusters and ball & ball pushrods you can go more
use cup adj anyway and stiff pushrods even with a mild cam
but below .525 stamped rockers can save some money
not for stiff springs or cams that require stiff springs (unless rules force you)
done it lots of times with dc and Engle
crane mopar lobes & similar
have not tried with the new howard or comp HL
still have to check pushrod length
voodoo should work
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Do you have a part number for the cup adjuster and where to get them?
 
you can get 3/8 24 thread 5/16 cup from rocker arm unlimited they also have 3/8 ball and 7/16 thread 3/8 ball (bigger is better)
don't ask how I just misspelled bigger but it's a nearby key
for worn threads or if you want to slide the ball over for 1.6 ratio
I think b3 also has them, hughes I think Smith brothers
 
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