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I just bought a rebuilt 340 long block & noticed the cam lobes are covered with a waxy substance. It’s dry & kind of waxy feeling. It has been sitting for a while since the rebuild, so I’m thinking maybe it’s some kind of cam assembly lube that dried out or something. Is this a coating that’s...

I picked up my stroker today from Brian (ou812) at IMM Engines. He was just shutting it down from the break-in when I got there. After letting it cool down a while, he did the dyno pulls. The first couple pulls were good, but not full pulls(only to 5K RPM). Even only going to 5K, it made...

As many of you know, I flattened the cam and destroyed 3 lifters on my stroker a while back. I finally tore it down today, and this is what I found (no pics, I don't think you'd be able to see anything on them). 1.) 2 of the cam bearings are really bad, and 2 others have minor scoring. 2.) 2 of...

Has anyone tried out the Lunati Hyd Roller lifters? They make some, #72337, but they aren't on the website. I was wondering if they have the groove too high like a lot of the roller liters do.

As some of you know, I wiped out the cam on my 414 stroker, so now I'm trying to decide on a new one. The previous Hughes 3742 Hyd cam probably had too fast of ramp speed and lift with the 1.65 rockers (.602/.611), so I'm going to tone it down just a little. The heads are Hughes ported Iron...

So I thought the #8 intake lifter had collapsed, so I took the intake off to check it out. When I got it off, I found 3 lobes of the cam wiped out, along with the lifters. Also, when I got the timing chain off, I can't even rotate the cam by hand, so looks like the bearings are shot, too...

I can't get my stroker to stay running under 2000 RPM's. When it gets below 2000 RPM, it stumbles a little, then dies. The carb is a proform 750. Float levels are good, I have the idle mixture screws turned out 1 1/4 turns to start, until I can get it running to fine tune them. Primary jets...

I just got my stroker dropped in my duster, and I'm trying to start it to break it in. It cranks slow (sounds like dead battery). The battery is reading 12.6 volts, and as an added measure when I went to crank, I hooked up my charger in the "start" mode. I only tried a couple times so I don't...

Ok, first, I know I should have figured this out earlier, but I trusted the place I was getting all my parts through and they said my combo would be good. I don't think they took into account that my rocker arms are 1.65 ratio instead of 1.6. So I was just figuring, and the springs I...

I've been working on building this for about 6 months now. Here's what's in it: 360 block, +.060 Eagle Forged Crank Hughes Main Stud Girdle Eagle H-Beam Rods Hughes 3742 cam (237/242 dur) KB 745 Forged Step-dish pistons with .030 milled off the step. Hughes Ported Iron Ram Heads, 2.055...

Does anyone know where to find valve cover spacers for Magnum Heads? I have a Jomar stud girdle on mine, so stock covers aren't even close to fitting. I've heard of making them from wood, but not too sure about that.

Last night, I went to a cruise night. As soon as I arrived at the "Mopar section", my car died (embarrassing). First, I thought my gas gage was just off, and that I was empty, even though the gage was between 1/8 and 1/4, so I put 5 gallons in it. Couldn't get it to start still, so, still...

I'm building a 410 stroker. What size jets should I start with in a Pro-Form 750 Mech Sec's with the combo below? Here's what it has or will have: 360, .040 over 4" Eagle cast crank KB forged dish pistons (KB 745) Comp Cam 239 int./246 [email protected], .484/.484 lift, but I'm using magnum heads...

Well, I finally got a 360 block (2 actually, one rebuilt shortblock, one in need of a rebuild). The rebuilt one is .040 over and the pistons look like just regular stock replacements with no valve reliefs. Just eyeballing it, it looks like they sit about .080 below deck (my 318 pistons sit...

I'm putting my engine back together, and forgot if the lifter oil holes go inboard or outboard (towards cylinders or valley). I have "How to rebuild the Smallblock Mopar" book, but it covers a magnum rebuild (despite the title leading one to believe it would cover them all), which says they go...

I've been gathering parts for my 318 build for a while now. After taking the heads off and realizing that my pistons top out at about .060 below the deck, which will yield me something like 8.8:1 comp ratio with my magnum heads, I think the cam I got is too much for that crappy of CR. I...

Has anybody tried these PRW Stainless Steel Roller Rocker sets? They come in 1.5 and 1.6 ratios for both Big and Small Blocks. Are they any good? http://www.prwonlinestore.com/mopar-2.aspx

I decided to start just one thread on my 318 build. I have one about cams, but I have questions about the whole thing. This is the first total rebuild I've done, so i need help. First off, here's what I have decided so far: -Square deck to zero deck height, bored .040 over (unless already...

I recently got a got a couple 318's with my Duster, one with 302 heads. I plan on building one up. I'm going to use either the 302 heads or a set of magnum heads on the build. I'd rather stick with the 302's since I have them, but can get a good set of Magnum heads for about $400 shipped...

I found this for sale for $2500. Supposedly has 6000 miles since it was rebuilt. The rings were also gapped for NOS, but hasn't had NOS run in it. Does it sound like a good deal? Seems like it to me. Does 420 HP sound like an accurate claim? Thanks, Dave P.S. Thanks to those who talked me...

First off, I know many of you will say to just get a 360, but I want to build the 273. The engine only has maybe 4000 miles on a rebuild. It was rebuilt with a mild cam by the PO and has an Offy intake and Edelbrock 600CFM carb and electronic ignition. My goal is to get 300-350 HP/TQ on a...