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I would consult someone in your area. We have plenty of insulation companies in this area, but our climate is substantially different. I went with R-19 bat insulation on my walls covered with a poly vapor barrier and OSB sheeting inside.

yeah, I didn’t do the math, just saw the .060 and went from there...

It would technically be .120 over. The terms are in reference to bore diameter, not radius so .030 over is .015 removed from each side, .060 over is .030 removed from each side, not that circles have sides but that’s common terminology.

It’s an LS. Bolt the head back on and run it.

The charger needed those ducts from the factory. Would you be willing to share your global file? I just put mine on E85 and don’t have much data.

I’ve run a similar cam in a 572 hemi. Yours should be a good match to the gear and compression. As DVW says, it’s ramp rate that can be an issue. If the ramp rate is slow enough, you won’t need a ton of spring pressure and it won’t kill a needle bearing roller lifter. I ran Comp 892-16 lifters...

I had a secondary injector pinned to the wrong location causing it lean out a cylinder and back fire. I got that sorted. Ran a few soft 5.93s with 1.5x 60’ times leaving in second gear on E85 with 7psi. Running 17psi out the back. It coasted through the 1/4 at 9.37 so that was encouraging.

You have to make sure the dome of the 4.500 piston is made for to clear a 4.250 chamber.

Thanks! I had two wiring problems plaguing me all week. Ran great on the street, not so hot on the track!

Don’t waste money on a pinion snubber, especially if it’s lowered. It’ll just push the pinion down and the car will porpoise. Been there done that. Get a set of caltrac bars or if it’s street only, even a cheap set of slapper bars will keep the axle housing from rotating up.

Our 1/8 mile track is pretty good. My buddy went 1.19 60’ on the back tires and has been 1.15 there last fall.

There’s a good chunk of your heating problem. You need more timing at idle.

I’m assuming the Vacuum advance is hooked up and functioning? Is it manifold or ported? How much timing at idle with the vacuum advance?

Yes, you’ll need springs specific to the hydraulic roller cam. Keep in mind, putting a hydraulic roller in a hemi involves lots of clearancing of the pushrod tunnels in the heads. What’s the combo and the intended purpose? If valve lashing is the reason for wanting a hydraulic, put that concern...

It’ll be way less expensive to do with a ratty old 440 and a turbo than doing it with a 500” NA stroker. Either way is easy and the recipes are out there. I’m at 1200rwhp and I can tell you there’s always someone with way more going way faster lol

Replaced the bench seat with Kirkeys. Had to be a pretty good loss. Haven’t had time to scale it.

Or when there’s a huge vacuum leak which is essentially doing the same thing....

I wish somebody would have talked me out of selling my 2016 Hellcat. The only thing I didn’t like was that junk 6 speed.

Thanks! Hopefully it’ll be done this fall along with the car.

Should work fine. The big issue with block mounted mechanical pumps is that they heat the fuel. Other than that, it’ll be fine.