noisy lifter, oil consumption, fouled plug, low compression... UPDATE

[471_Magnum]

I've kicked around the idea of going with a solid, but elected to stick with hydraulic.

Ordered my lifters yesterday from Topline Highlift.

Still on the fence regarding the cam. It's either going to be a XE275HL, or Hughes HEH3237AL. Pretty much the same duration and timing, but the Hughes has more lift. I'm leaning towards the Comp Cams offering just because I think it will be a little easier on the valve train in the long run... and it cost less.

[firefighter3931]

Glad to hear the block will clean up with a hone job ? How are the piston skirts ? Minimal damage on the crank with it just needing to go 10/10 

If you go with a hydraulic or any flat tappet cam with agressive lobes i would strongly consider having the cam nitrided. Comp offers this service and it's well worth it, inmo. 


Ron

[471_Magnum]

Piston skirts are scuffed, but I can clean them up with some scotchbrite.

Base on my visual inspection of the crank, I didn't see anything that I thought wouldn't polish out. I was a little surprised at the 10/10 recommendation. Had that crank not been on the tight side with slight warp out of the box, I probably would have fought to keep it STD.

Comp doesn't list a part number for any Mopar cams with their Pro-Plasma Nitriding. Only part numbers they stock are Chevy apps (go figure). In their tech forum they state they can do it to any of their cams, so I emailed for a quote. Based on the prices of the Chevy cams listed, it nearly doubles the price.

I am leaning towards the Comp offering over the Hughes piece. I just don't think the extra lift will amount to a detectable power increase on the old butt dyno. Don't think it's worth the extra valvetrain stress on a street motor.

[firefighter3931]

Fixing the warp issue with a 10/10 regrind makes sense. Good news on the piston skirts 

The Nitriding is available but you have to custom order it. Yes it's expensive but with a fast rate cam you need it for reliability. The agressive hydraulic cams are all done by 5800-6000 rpms...anything beyond that and they're floating the valves. If you're happy with those parameters then go for the hydraulic stick. 


Ron

[471_Magnum]

Just got a quote for a nitrided XE275HL.

$292 

[firefighter3931]

Just got a quote for a nitrided XE275HL.

$292 

Ya it's pricy but what does it cost to remachine a block and replace hard parts. 


Ron

[471_Magnum]

Just got an official quote. $314.15 w/ 7-10 day leadtime.