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Thanks just found a Comp 20-812-9 from a member

Yep thats correct

Well finally decided on the Comp xr274hr only to find out from Summit cant get it. Contacted Comp directly they said maybe end of March. I've looked at endlessly every grind every company even contacted Oregon cam grinders nobody has anything. I posted a wanted ad also no luck. Looking for...

Went with the Comp xr274hr. Thanks for the replies

Will do I believe from what I've read 565 is the max cam with stock pistons. Cam would still work great with 1.5 rockers

Thanks

I'm in Ontario Canada shipping gets expensive quick. Plus 40 % exchange rate does not help either lol.

That 274 Comp cam with 1.7 rockers puts the lift at 609 can't imagine the piston to valve would work I'm running stock soap dish pistons

Is that the large popcorn

Building a 5.9 Magnum fresh short 9:1 comp Eddy Magnum heads minor cleanup Eddy airgap intake(dual plane) 750 Demon carb 1 5/8 longtime. 518 trans 2500 conv with lockup. 3:55 gears. Car has power brakes is a pro touring type build with big brakes and all the handling tricks you can do. Car goes...

Magnum air gap should get you there lol

Called Lunati there listed specs are based on 1.5 rockers as mentioned above. They are cast cores(so regular drive gear is ok) and they are long snout. Thanks for all the replies.

Yes sorry 20200712 & 711. Car has power brakes and is 95 % street driven. Yes these are the retrofit ones will confirm with Lunati tomorrow morning if they are long or short snout & rocker ratio with these cams.Anyone run either of these?

Does anybody know if the Lunati roller cam specs are based on 1.5 or 1.6 rocker ratio? Looking at the 711 or the 712 grind. Going in a 5.9 Magnum with eddy heads 9.5 comp 727 with 2400 stall 4:10 gears. Looking for high 11's low 12's thinking the 711 grind might be a bit tame. Opinions please.

Thanks for the thoughts and the name

Just picked up a new ride. 73 Dart Sport with a 360 short and a set of w2 econo's with a Comp xr274r solid roller cam with a set of Norris stainless roller rockers. The engine has excessive mechanical noise I checked the lash and I have 15-18 thou cold. But what I did notice is some of the...

I'm guessing either TRW or Sealed Power they are in a shortblock already about 35-40 in the hole. thnx

does anyone now the part number L2373-f pistons they are in a 1970 318 30 over flat top,I can't find any info. Weight,comp,etcetc thnx

does anybody have specs on the 360 2380 p pistons? (30 over) thanks mike

magnum roller cam in a 73 360.Can it be done I have the cam,roller lifters(stock style)magnum oil through pushrods,roller rockers,with LA style eddy heads.Also have something that looks like a spider sheet metal piece that fits perfectly into the lifter gallery(think it's to hold the stock...

cast iron. I don't reconize the part number either I thought they might be the aeroheads myself.Has anybody heard anything good about these heads(aeroheads) thanks mike

I've looked on that site before I posted and can't find any info.Anyone else know anything about these heads???

does anybody know anything about the cylinder heads that Indy sell number 4343475 with 2.02 and 1.60 valves? Are they the 340/360 port size or the smaller 318? Any first hand experiences:burnout: thanks mike