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  1. 273 Commando

    Strut rod difference

    What's the difference, if any, from the 1972 and earlier and the 1973 and later strut rods. I need one for my kid's '74 Duster. Want to make sure I get the right one if seller is unsure.
  2. 273 Commando

    Pistons for 318

    I have a '73 318 laying around that I want to build on the cheap for my kid's Duster. I want to run a Hughes Whiplash cam in it to give him that sound we all love. I will be using the stock 675 heads, Edelbrock Performer, Carter Comp AFB 625, Heddman headers, 904 w/ Trans Go kit and 3.21's...
  3. 273 Commando

    273/318 rebuild advice

    Well the kid finally did it, he lost it and smacked the curb so hard he folded the front left wheel. While I'll be in possession of the Moose Mobile (74 Duster w/ 273 Commando) for a while fixing it, I thought of doing up a spare 1973 318 I have laying around. The 1965 273 Commando that's in the...
  4. 273 Commando

    Transgo vs. B&M shift kit. Fast advice for Xmas

    I want to buy a shift kit as a Christmas present for my son's 74 Duster. It has a slightly overstock Commando 273 with a 904 and 3.21 8.25 differential. What's the consensus of these two brands and what's the popular product to use/buy? Thanks. I need to order soon, so fast advice is appreciated.
  5. 273 Commando

    8.25 differential casing ID

    I bought an NOS sure-grip differential on eBay for my kid's Duster. These are from a lot of old stock and loose and unboxed, therefore no part number. However,they are marked on the case with the number 18-05-039-903. Please tell me this is the correct size case for 3.21 and lower gear ratios...
  6. 273 Commando

    273 for 318 swap advice

    Hey guys, it's advice time for me and my son, Moose. That 273 we did early this year is a slug. He wants more GO. so we're thinking of up sizing to a mid 70's 318 my buddy will give us. The 273 has a new Comp Cams 270 Magnum solid lifter cam, Eddy Performer 318, Hedman headers,in a 74 Duster...
  7. 273 Commando

    Leaking Saginaw pump

    Just what I needed after 2 months of trying to get my kid's Duster on the road. I finally got the engine swap done and the P/S pump leaks like a stuck pig. It seems to be coming from the front section of the body, not the shaft or lines. My buddy thinks the res O ring is bad, but it didn't leak...
  8. 273 Commando

    Part Throttle Kickdown TF904

    Hey guys, I finally got the Duster (273 & 904) on the road and I'd like to install part-throttle kickdown in the valve body to help it along. Can I simply pull the housing and plug off of a slant six tranny and slap it on? or is there some other tips I need to know? I haven't cracked open a...
  9. 273 Commando

    Help! Need SB Saginaw pump install tips

    I got the 273 all nestled in the '74 Duster and I need to hook up the Saginaw pump that was from the slant six that came in the Duster. I bought a complete bracket set for this application, but I dont know how this crazy bracket arangement works or where it attatches. There's a great pic on ebay...
  10. 273 Commando

    Camshaft alignment problem

    Am I a dumbass or don't I get it? Ok, here's the deal. I set my 273 at TDC and insert the new bump stick ( on engine stand ), I go to install the timing chain with the timing marks set to "dot to dot" per instructions and the cam is 180 degrees out of time according to the Mopar valve lash...
  11. 273 Commando

    More 273 info please!

    Ok guys, I scrubbed the motor and tore off the heads. I'm not sure what factory domed pistons actually look like but these pistons are definitely aftermarket slugs. They're flat top with 4 valve notches in 'em and stamped 060 on the piston face. Any ideas? I may as well pull the cam and have it...
  12. 273 Commando

    small block timing cover and balancer

    Ok, dumb question but I need to know. The 273 I have is missing the timing tab, so I considered replacing the timing cover to a post '69 type since I'm running the newer type water pump anyway. Will the existing balancer work as far as the timing mark lining up with the newer cover, or is the...
  13. 273 Commando

    Basic 273 tech tips/advice

    Hi guys, I'm new to the site. I'm mooser's bank (dad) trying to help him build up his '74 slant six Duster into something more fun, so here's where we're at. I got him a running '72 Swinger donor car (bad body) that was going to be some kid's racecar project that failed. I think we did ok for...
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