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  1. PROSTOCKTOM

    Builders: Square engine, Over Square, or Under Square for you?

    OEM 351 Windsor block is 9.500" That is incorrect. OEM 351 Cleveland block has a 9.200" deck height OEM 351 Windsor bock has a 9.500" deck height However the hot setup is buying an aftermarket Windsor block with the 9.20" deck height and 302 mains if you want to race. Tom
  2. PROSTOCKTOM

    What dashboard gauges are most useful for a slant?

    For a Slant 6 I think a boost gauge would be the most important. LOL Oil and Water for sure. Tom
  3. PROSTOCKTOM

    Builders: Square engine, Over Square, or Under Square for you?

    Everytime an NHRA Pro Stock engine had the deck height lowered a .100" they picked up 15 HP. Now Pro Stock deck heights are down to as low as 8.600" It's not a secret that lower deck heights allow for more horsepower to be made. Tom
  4. PROSTOCKTOM

    Builders: Square engine, Over Square, or Under Square for you?

    A normally aspirated engine will always prefer a bigger bore to allow larger valves to move more air. Higher rpm racing engine you would want way over square 4.375" or 3.91" stroke. Heads up you're going to need it still pulling at 7500 rpms without running out of head. Depending on the level...
  5. PROSTOCKTOM

    Short Shaft Slip Yoke 727's in Old Airport Tugs?

    Those always have a yoke that bolts on to the tailshaft with a bolt, not a slip yoke like a regular car transmission has. I guess I can always buy an A&A kit if I really want a short transmission, but I think those delete the governor. Then you have to manually shift gears. The tugs would have...
  6. PROSTOCKTOM

    Short Shaft Slip Yoke 727's in Old Airport Tugs?

    I was talking with a friend tonight and he was telling me a story I wonder about. He claims that years ago he got some short 727's that had slip yokes, not bolt on yokes used in the tugs at airports that tow the planes around. I've personally never heard or seen one. What say you all? Tom
  7. PROSTOCKTOM

    [FOR SALE] Complete 7 1/4 rear end

    It must have a price or the mods will delete your ad. Tom
  8. PROSTOCKTOM

    360 vs 383

    WOW!!! I am a dinosaur, so I'll take the BB with all the terrible problems some have pointed out. Tom
  9. PROSTOCKTOM

    What is the horse power benefits

    Personally the only advantage to using a Magnum block is a factory roller cam, but I don't like the way Magnum engines oil. I'll take the old LA oiling system any day of the week. Tom
  10. PROSTOCKTOM

    [FOR SALE] Molnar Technologies 6.123" 273, 318, 340, 360 4340 H-Beam Connecting Rods - New

    New Molnar Technologies 6.123" 4340 H-Beam Connecting Rods. Stock 6.123" length, Stock 2.125" Crank pin, Stock .984" Wrist pin bore. 7/16" ARP 2000 Rod Bolts, Rod Weight 623 grams Part # DH6123TSB8-A $705 Delivered to your door with free shipping. If you need a different rod, length or rod...
  11. PROSTOCKTOM

    [FOR SALE] Molnar Technologies 4340 Forged Steel 408" 4.00" Stroke 360 Crankshaft - New

    Brand new Molnar Technologies 4.00" Stroke 360 Crankshaft. 2.125" Mopar Rod journals. 6.123" min. rod length. 4.030" Bore x 4.00" Stroke = 408 Cubic Inch On the shelf and available to ship within 24-hrs. of payment on business days. I can sell this delivered to your door in the 48-states for...
  12. PROSTOCKTOM

    Axle Studsss

    If you're going to use a regular washer you'll most likely need an AN washer (Army Navy) They have a more precision hole and a smaller diameter than a standard washer. If you have a vernier caliper or regular caliper measure the i.d., o.d., and thickness on the Cragar washers you have and I'll...
  13. PROSTOCKTOM

    2.76 vs 2.94 gearing

    Depending on your current power output and how you drive it you may actually get less mileage with the 2.76 gears than the 2.94 ratio because the engine will have to work harder trying to pull on those taller gears (numerically lower). Tom
  14. PROSTOCKTOM

    What is the horse power benefits

    I've sold it for almost 20-years and I've never had one customer or myself ever have any issues with their products. I sell Molnar because I feel they offer the best quality made with the correct tolerances of any of the overseas made components. They also install their Molnar proprietary...
  15. PROSTOCKTOM

    What is the horse power benefits

    If you want a stroker SBM the best option is to start with either a 340 or a 360 block. This allows a really good selection of quality off the shelf pistons. Building a 318 stroker will not allow cost effective piston options. Custom pistons are really expensive and take a lot of time to get...
  16. PROSTOCKTOM

    318 with a new 4” crankshaft.

    Since you're planning on changing out every component on the 318 you might as well change the block to a 340 or 360 block so you can buy some quality off the shelf pistons. Using KB hyper pistons at 11 to 1, if they even make one for a 318 bore with a 4" stroke crank is just asking for trouble...
  17. PROSTOCKTOM

    [SOLD] Wiseco 440 Pistons for 4.25 Stroke/.055 Over

    That answers that question then. A stock Hemi rod is 6.86" long, but uses a 1.031" wrist pin. So you had custom 6.86" long Hemi rods with a 1.094" 440 size wrist pin in them? 10.725" 440 Deck Height -6.86" Rod Length -2.125" 1/2 the stroke on 4.25" __________________________ 1.74"...
  18. PROSTOCKTOM

    [WANTED] 440 pistons

    That answers that question then. A stock Hemi rod is 6.86" long, but uses a 1.031" wrist pin. So you had custom 6.86" long Hemi rods with a 1.094" 440 size wrist pin in them. 10.725" 440 Deck Height -6.86" Rod Length -2.125" 1/2 the stroke on 4.25" __________________________ 1.74" -1.685...
  19. PROSTOCKTOM

    [WANTED] 440 pistons

    10.725" 440 Deck Height -7.100" Rod Length -2.125" 1/2 the stroke on 4.25" __________________________ 1.500" Compression Height Tom
  20. PROSTOCKTOM

    [SOLD] Wiseco 440 Pistons for 4.25 Stroke/.055 Over

    I am interested John, but check my math here and tell me what I am missing if they were for a Zero deck block? Since they are a 1.094" pin you could have only used a 6.76" rod? 6.76" (rod) + 2.125" (half the stroke) + 1.685" ( piston compression height) = 10.57" 440 Block 10.725" - 10.57" =...
  21. PROSTOCKTOM

    [SOLD] NOS Crane Cams R296 Hemi camshaft

    Great! You can mark it sold on the top of your page. That's how they like it done here when you sell something. Tom
  22. PROSTOCKTOM

    How many of you grease your own trailer axles?

    I use Lucas or Amsoil Red Grease, so they don't require checking but twice a year and rarely require more than one or two pumps if that. Tom
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