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Anyone ever run the .484/.484 purpleshaft cam in a 273? If so, how'd she run? I have the old 273 out of the Valiant just laying around and may just build it just to build it. I mean I would put a diff intake/carb on it and do some mild head work, but...wonder how it would run? I can pick one...

So, I still have the 273 laying around after swapping in a 318 to the long gone Valiant and have been pondering some builds. Been thinking of a turbo/twin turbo build just to see what kind of power the little guy would make. Not sure what I'd put it in....maybe a sand rail? Dune buggy...

Went ahead and opened a youtube account and uploaded the vid, lol. http://youtu.be/szjG7fIxHgo

Ok well the 318 is in the Valiant and am wondering if the primaries are too lean. I'm sure the secondaries are fat enough as when I'm hammering on it I can smell that its a little rich. Carb is an old 650 SB DP. 65prim 87 sec jets. Cam is a Comp XE268. Plugs are Autolite 65. They look...

After pulling the 273 to put the 318 in it's place I finally pulled the 273 apart. If I'm correct, the 66 273 has a normal intake bolt mounting angle and the 64 and 65 have the different angle? The casting year on the block is 65 which would've been correct for the 66 year. Well, I checked...

Hi everyone, do you know if any parts stores carry the plastic washer and cork gasket that go on the bolt for the 90* oil filter adapter??? I've seemed to misplace mine and am putting the motor in the car today so kinda needed ASAP, lol. Or, has anyone used something different?? Thanks!!

Okay, so got the heads on my 318 build and began putting the rockers on. Rockers are Crane Gold Rollers 1.5:1 ratio. Head gaskets are Mr. Gasket .028" compressed. Problem: Pushrods are too long. The adjuster screw ends up being in so far that 2-3 threads of the rocker show. ...not 1-3 threads...

Building my 318 and am at the decision point for a fuel pump. Cam is CompCam XE268..............477/.480 224/230 Holley 650DP Will a stock 318/340/360 mechanical pump work fine? I'm looking in Summit right now and looking at the Mopar Performance Pump #4007040AB. 80gph 8.7psi. I wouldn't...

Would appreciate if any of you dyno/pro engine builder/dyno program guy/gals could enter my info or give a good guess at what hp/trq my 318 combo would make. I'm at around 6000ft elevation. It would be very much appreciated! 318 .030" over. Stock cast crank .010/.030 under. Balanced assembly...

Painting my stuff today and am using the Dupli-Color enamel. I'm using the primer first and am wondering when I should apply the actual paint? Should I let the primer sit for the 7 days it says it needs to cure then paint or should I lay the paint on after 10min? It says to put 2 light...

The machine shop that done my 318 knocked out that heavy plug that goes under the rear main cap and I don't know how far down it's supposed to go to put it back. The plug looks like a 3/4"L x1/2" slug/round bar. Anyone know how far down it's supposed to go??

Will be getting the heads for my teen build from the machine shop this week so I'll be able to get most of it together!! Now just wanting to get some suggestions on jet sizes/power valve sizes/squirter sizes for it. Engine: 318 .030 over. 10.5-11:1 comp Performer...

So, just wondering, what is the max lift camshaft you can run in a 318 with flat tops w/4 tiny valve reliefs at zero deck and factory head safely?? .500"?? A little more/little less??

Well, I figured I'd give it a shot. At first it was just gonna be a gasket match of felpro 1243's to a set of 318 smog 2bbl heads (973) that are going on my 318 build. Then, seeing all the casting flashing and nastiness in the ports I decided to clean em up and open them up a little. Trying...

I'm still needing to buy cam bearings for my 318 and see that there are tons of options out there. It's just going to be a mostly street driven / some track time engine. What's the best brand, etc, to go with on this? I see King, Clevite, Speed pro, etc. Oh and why are small block bearings...

After reading some of the other threads about cam choices, etc and seeing all the talk about static compression and what cam should one need to help bleed off compression to prevent pre-det, I'm now questioning the cam I have for my 318 and can use a little advice. :) Engine is 318 bored .030...

To all the experienced intake and head porting guys out there, what's the best epoxy to use to build an area up, add to an area, or make a repair with?? Best brand, etc? What do you use??

When mounting pistons (flat tops) is it worth putting them on "backwards," so to speak, like you hear about the bigblocks? I have fed mog/sterling 285NP's and they have the notch in the piston that lets you know which way to put the piston in. Also, I have a hydraulic cam. What pushrods do...

I'm gonna be doing some port cleanup on a pair of smog heads (973's) and have a question about the exhaust ports. Can you get rid of the hump that's in the bottom of the port from the smog ports? Grind them down all the way without hitting water or just massage them a little bit? The ports...

Ok, so I went to Upullandpay today to see what might be lurking around. And to find an electronic dist and wiring harness to put in my Valiant. Just looking at a 74 D150 4x4, the same one I pulled a 3:55 489 3rd member out of a month ago, I seen it had some really big tube headers on it....so...

Hey everyone, I purchased a 318 a few days ago and got it torn down. The motor ended up having a spun main bearing. Well, I just cleaned the rods up today and one of them has a way different coloration then the rest, it's a kind of bronze/copper color...see pic. Anyone got any ideas?? Oh...

Hi everyone, I know the 273 adjustable rockers will work on a 318 but unsure about oiling. I'm going to run a hydraulic cam in the 318 but the 273 is solid, will this affect the rocker arms, ie....is the 273 an oil through pushrod, etc, etc?? The 273 is still in the car(66 Valiant) and I...

Hi everyone!! I just bought a 66 Valiant 2 door with a V8 last week and the guy told me he pulled the motor...a 318...from a 66 barracuda. However, this motor has factory adjustable rocker arms on it, which I thought only came on the 273's in and around that year. It's not a 318 poly, it's an...