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I have what i thought was a 318/340 pan and the front and rear measurements are 2 7/8 on the front which obviously goes over the timing cover and 2 1/4 on the rear. Does anyone have any measurement differences between the two? Any info would be appreciated. Thanks, Jake

I have and offset key set that says magnum it’s #P5249600. I dint remember there being one on my 5.9 magnum and want to use one on an LA. Jake

I picked up a few NOS purple cams and they do not have a marking on them whatsoever so I’m trying to determine what I have. Any info or calculations to determine this would be welcomed. One set is intake, the other exhaust. Thanks, Jake

Anyone know how you would get that size since stock bore 340 is 4.040? I saw a set of forged JE pistons on eBay for 225$ and was confused as to how that would work? Sleeved? Anyhow, looking for some good info. Here’s a item number for them- 8 NEW JE 4.030 CHRYSLER 340 WEDGE FLAT TOP PISTONS w/...

Just curious if they would have been a set of j or u heads on a 340/360 or would the factory have sent out one with a j one one side and a u on the other? My guess is that it did t matter and they would have thrown whatever was there on it but who knows...... Jake

Just curious? I’ve got a 79 thermoquad intake and need to block it off but was contemplating tapping the hole rather than the usual outside plate. Anyone done this or know why I shouldn’t do it this way? Thanks, Jake

Well, I as far as I can see I took all the correct avenues while disassembling and reassembling the engine after I wiped a lobe on the previous cam. I swapped in a used set of late 70’s 360 1.88/1.60 heads with new seals, springs and retainers and lapped the valves. Went to break it in 20...

Thought this might be important but not entirely sure. Looking to get 34 total without vacuum and total 47 with. Thoughts and opinions much appreciated. Thanks, Jake

Just curious if anyone out the using or used this cam. Thoughts of putting in my 360 d100 with stock rebuilt bottom end, 596 heads cleaned up and ports matched with 3.23’s. Thanks, Jake

Is this a no-no? Ive heard of solid lifters on hydraulic roller cams but not the other way around. I want to go solid lifter on my 360 72 d100 but im not liking what i see as far as the rpm ranges go. Its .40 over 2.02 ported J heads with 3.23. The cam thats in there is a summit 1789. Thanks.

Looking for Opinions on what intake is better for a 4 speed 360 Magnum .20 over, EQ heads with 220/228 498/512 cam. I have the action plus now and found a good price on the ld4b but wondering if it’s a step backwards from what I have now. Thanks, Jake

Is there a difference between the water pump other than 6/8 blade? I’ve got a bigger radiator I’m putting in and it’s passanger side exit so I’m switching from cast the cast style but wanted to make sure their wasnt a difference in position of the pulleys. Thanks.

Which flows better? Any gains over the bigger stock 5.9 manifolds? Personal experience is always appreciated. Thanks, Jake

Excellent condition, came from a 65 Barracuda with 273. It’s been wire brushed and painted gloss black. Asking 72$ shipped. Thanks, Jake

I tore down and rebuilt a 66 273 with egge pistons, commando specs and a comp cams 20-306-4 cam about 1 year ago. Recently ive noticed a bit of blow by and now it seems be running a bit sluggish over the last month and a half or so. I just did a compression check across all cylinders and it...

I have a set that measures 7.562 and figured it has to be from hydraulic lifter small block but also have a set of "KNOWN" set of hydraulic pushrods that are 7.468. Is the difference for more preload, and if so what would be the correct ones for a 68 273 with hydraulic lifters??? Thanks...

Possible a "dumb" question but do hydraulic lifters need oil through pushrods??? The reason i ask is when i got my 66 273 engine and stripped it down it had hydraulic lifters and no oil through pushrods so i kept it the same but now wondering if this is wrong??? If this is wrong can it cause...

Sooooooo, ive had quite the time getting getting the engine and transmission into my 63 signet due to the normal mods needed to make a 273 fit. After a week of setbacks i finally get the engine in and everything hooked up, start it but no spark, finally figured i had crossed 2 wires and i try...

I just got a set of magnum manifolds for my 273 and noticed it wont allow for the use of the 90 degree adapter. I understand there's the divide on here with people liking/disliking them but has anyone tried facing it forward??? I only have it on the stand right now so not sure of frame...

The 273 i had didnt have a adapter, i think maybe it did but not when i got it. I tracked down an adapter and noticed that on the block it has one or the 2 holes plugged. Is that for the regular oil filter or do i need to unplug that hole for the adapter? Thanks, Jake

Will the grommet set that MP sells work on a set of M/T valve covers? Want to make sure because the set i have didnt come with pcv or oil cap and cant seem to find any info. Thanks!!! Jake

I am at the point to where all i need to finish my build is a choice of headers and since this HP 273 is going in a 63 valiant, i am wondering what the realistic difference between a set of hp340 Exhaust manifolds and a set off TTI early body headers would be. There's a set of 340 local for 400...

Or so it says.......Maybe someone's interested, im sure you can get it for 200 :) Jake

I finally had the chance to put my 273 complete rebuild together over the last week and went through the steps in a mopar book as far as assembling pisotns, rods, bearings. I had the rods and crank turned 10/10 and it seamed fine when i installed the crank, turned pretty easy by hand without any...

Anyone happen to know what this is off of? Its a single crank pulley and the diameters are 4" deep by 6 1/2 "width single pulley. Im looking for a set for my 273 with no power steering and no a/c, it looks like it will stick out way to much but not 100% because the engine isnt back together yet...

Has anyone used this setup and had an issue with the main studs being too small to where there's no room for the nut to get on to? I'm using the set that was recommended With this tray #32230 Jake Posted via Topify using iPhone/iPad

I ordered this comp cams CCA-20-304-4 for my new 273 build but started to notice this looks like a mild cam for a 360. Is this overkill and going to barely idle? This build is going to be my driver but I wanted to get close to HP 273. Posted via Topify using iPhone/iPad

Anyone have any suggestions on what would be the best for this application? There's a set on craigslist that says A body headers( http://phoenix.craigslist.org/evl/pts/4736863711.html ) they look like theyd have issues with the steering box but not 100%. Any input would be greatly appreciated...

Has anyone ran this? I just picked up a edelbrock performer 318/360 but have always loved the look of the offy manifolds. I found one for 100$ but not sure how it would compare on a mild build 273. Thanks, Jake Posted via Topify using iPhone/iPad

I Found a set of adjustable rockers at the junkyard that were off a 273 barracuda and now im looking for a set of ball and cup pushrods. I plan on using this hydraulic cam http://www.summitracing.com/parts/cca-20-210-2 and i was thinking since stock pushrods are 7 7/16" these would work...