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Has anyone ran single valve springs instead of the doubles the recomend? If so was there any issues? I think it's too much spring and may be collapsing lifters at high rpm. 513 intake/ 533 exhaust.

I have a Lunati 513 533 lift. 234 242 duration vodoo cam in my 71 340. The double springs that came in the kit are too much for the lifters. Did the break in with the singles and all quiet. Put the doubles in and once the motor heats up they get noisey. I do not race this car. I street drive...

Who makes the best, trouble free lifters?

Ok. I will start with the specs. 71 340, 30 over, just rebuilt, engine wasnt hurt. Lunati Vodoo hydraulic 513 533 duration, 234 242 lift. Double valve springs. Started off with stock rocker assembly. Had a what I would describe as valves smacking. Car ran fine and has great oil pressure. So I...

Is there an advantage to running adjustable rockers on hydraulic lifters?

I have seen many combos. Some no pcv just breathers. Also seen breathers with hoses running under the car. Some with breathers plumbed to air cleaner and some stand alone ones. What is the best combo for your engine to ventilate?

There is no port for a pcv on my carb. Is there a place for it and I just need the nipple?

I just had my 340 rebuilt. Was wondering is 10w-40 still ok? Im gonna put zink additive in as well. This is all after the break in. I have break in oil for that.

Any pros or cons of using an aluminum adapter verses the cast one?

Should there be any side to side movement on stock rocker arm assemblies?

Installed a Lunati cam in my 340. Lunati recommends breaking it in with single valve springs then adding the centers after. I've never heard of doing this way. Also most guys of talked to break them in with the doubles. Any opinions or advice is greatly appreciated.

What tool do you guys recomend for installing the balancer? I seen one at Summit for 28.00. I guess any home grown ideas will work also. Thanks.

Got a new Lunati cam in the Duster. Lunati said to break in with the single valve springs then put the centers in after. I have talked to a lot of guys who never have done it that way. They installed the doubles and broke it in that way. Let me know what you guys think. Thanks

Has anyone used these on a Duster? If so, did you like them?

The hits keep on comin! Found out while putting on my intake that most of my bolt holes in my heads are stripped. Some look as if they were heli coiled in the past. So I need to remove them and take them to a machine shop to get drilled and tapped. My question is can I lift them by myself? The...

I will first apologize for what will seem like some dumb questions to some of you. Ok, doing a cam swap in my Duster. Going from solid to hydraulic so I need to change rockers. First question. When the manual refers to left bank and right bank does this mean as if you were sitting in the car or...

Going to Summit today to buy cam and lifter set for the Duster. Going with A Lunati set. Vodoo flat 513 533 lift, 234 242 duration. Part number 10200704. My car has a 2800 stahl, holley 750dp, 3.91 gears, 10.25 to 1 compression and a manual automatic. Sound good to you guys?

Can anyone give me a tried and true way to adjust valves on solid lift motor? Does have to be done hot? Can you do it cold? Do you do it cold than hot? I have a sequence chart and shop manuals. Any advice would be helpful.