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  1. Sparky

    1973 Mach 1 Engine Build - Machine Work Done!!

    Hi - now have a new bottom end so full tranny build will be needed to handle 650 HP - 3000 stall for sure!
  2. Sparky

    1973 Mach 1 Engine Build - Machine Work Done!!

    Well fate has smiled and I now have a 410 cubic inch bottom end. Full Scat crank and rods, have the Dyno sheet at 650 HP. Need to decide if I should use the solid roller cam in place or use my bullet hydraulic roller? Engine has only dyno hours but has sat for 6 years. Checking bottom end this...
  3. Sparky

    1973 Mach 1 Engine Build - Machine Work Done!!

    Hi I used the compression calculator online from Summit and got 11.2 to 1 with my specs. C6 auto trans and converter is yet to be determined. Probably 3000 but will fire the motor and then check idle characteristics etc. Thanks
  4. Sparky

    1973 Mach 1 Engine Build - Machine Work Done!!

    I looked at the heads that had been messed with using the crane roller rocker and small to big stud kit and decided against using it. I found a 1970 set of small chamber heads with chambers between 62 and 63 cc's - see before pics. I had them planed and cut for studs and guide plates as well as...
  5. Sparky

    Tire Size Suggestions

    I found some issues with the rocker arms and am trying to iron them out. I also found a set of 1970 closed chamber heads and think I will just get the current engine running as is and start building a new one over the summer for fall installation. I will post pics once I start the build next...
  6. Sparky

    Tire Size Suggestions

    Put mine on a couple weeks back - pics attached - 245 and 275 on 15x8 magnum 500’s
  7. Sparky

    Tire Size Suggestions

    Finally got them mounted after looking at them in the garage for 3 months!
  8. Sparky

    My 73 FB Build

    Looks Great! Who's cam and lifters did you use? Thanks
  9. Sparky

    Engine Identification

    I have also found a 4 bolt block that has been tanked, painted and is 30 over. Cam bearings are installed as well. The caps all seem to be 4 bolt however someone previously told me that only the center 3 caps were usually 4 bolt caps. This one seems to have 4 bolts on all caps - is this...
  10. Sparky

    Engine Identification

    Hi - the quote for machining is $ 300 and the shop owner has done work for me for 30 plus years and runs 6 second dragsters. Add the cost of studs and guide plates and I am still under $ 600. This also allows me to change the cam as I have no idea what is currently in there. I may have to buy...
  11. Sparky

    Engine Identification

    the rockers were all “double nutted” and when trying to remove the top nut the studs came out of the block. I then removed all the passenger side ones and red locktited the stubs back in. Looking at the small threaded end in the block I decided to remove the heads and have them machined for...
  12. Sparky

    Tire Size Suggestions

    No not yet - priced some through Kal but have not ordered yet - priced 245x15 front and 275x15 rear - 1200
  13. Sparky

    Engine Identification

    Good Afternoon - Okay now I am confused! Could these be aftermarket pedestal mounted roller (tip only) rockers that were installed by the previous owner? I bought aluminum valve covers with "351 Cleveland" cast into them and they will not sit down onto the head properly I suspect due to the...
  14. Sparky

    Tire Size Suggestions

    Hi Randy - my new magnum 500's x 8" rims are here and I am looking at the same decision - have you bought anything yet? If you have I would like to chat. Bill
  15. Sparky

    Engine Identification

    Hello - I have attached the block casting number and a picture of the head with an "R" stamped into it as well incase that helps with identification. Thanks
  16. Sparky

    Engine Identification

    Hi - I removed the started and the block is D2AE-CA probably no surprise. date code is 3A29 and I will pull a valve cover as soon as I can get some new gaskets. Head has an R in pin punch marks on rear but I am trying to to read the rest of the numbers and will post soon. Thanks All!!
  17. Sparky

    Engine Identification

    Good Morning - Thank you for that detailed response as well as the picture. I was told the entire engine was a transplant but who knows. I will look at the casting numbers today and post them once I have them. Thanks again for the great info!!
  18. Sparky

    Engine Identification

    Thank you for the info - car is on a lift so I will look in that area this morning and see what I can find for casting numbers and post them.
  19. Sparky

    Engine Identification

    Good Morning - I am looking for a little help with my 1973 Mach One. The car was originally an H code 2 barrel but has had a 4 barrel swapped in. The heads are 4 barrel as denoted by the 4 cast into them. There is no adjacent little bump so I assume they are closed chamber heads. I have no other...
  20. Sparky

    Wheel Change Help

    Thank you for all the replies and information. I ordered 15 x 8 Magnums yesterday with caps and nuts. They are a couple weeks out so I will now start looking at tires. The first picture below is not my car but what it will look like with the 500's on it. The second 2 shots are my car with the...
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