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  1. Georgia Real Complete Mach 1 front bumper for sale Reduced $1400.00 OBO

    It was a take off that had a paint rub from transportation. They buyer had it repainted and installed and it looks awesome!!!
  2. Illinois SOLD: MagneRide Performance Pack 2 VDM Software Upgrade

    I have the spring kit and sways. I have a Mach 1 now. Let me know how you like it on the mach. I originally purchased it for my GT.
  3. Continental Extreme Sport 02 compared To /Michelin Pilot Sport 4s

    I’ve had both in 305/325….currently have the Conti and I can’t tell a difference.
  4. Who all dailys their M1HP?

    I daily mine….just hit 8800 miles. I took my front splitter off.
  5. Steeda Q767 Mach 1 Steering Wheel

    @tj@steeda
  6. Factory Piston Pin height

    On the 496’s back in the 90’s we knew we would tear them down in the winter so the short rod really didn’t matter. I never really thought the ls7 would live back in the day….yet here we are with thousands of boosted miles on them….hell katech does a time attack 750 horse NA motor they spin to...
  7. Cast Iron Coyote Engine Introduced by Ford Performance!

    Oh that’s lighter than I thought I figured with steel caps and bolts it would be 120ish 😳
  8. Cast Iron Coyote Engine Introduced by Ford Performance!

    Oh that’s lighter than I thought I figured with steel caps and bolts it would be 120ish 😳
  9. Factory Piston Pin height

    lol Yunick got to cherry pick the blue dot rods from the GM parts bin 🤣🤣🤣
  10. Factory Piston Pin height

    This is very true! 496 bbc by all accounts has a horrible rod ratio (1.37) but we spin them to 6800k and 7xx hp in big compression (14.1 to 15.1) race trim back in the day 🤷🏼‍♂️
  11. Cast Iron Coyote Engine Introduced by Ford Performance!

    203 lbs….80 what’s a sleeved AL block coming in at? 130ish? I agree a sleeved bear block I think is cheaper 😳
  12. Cast Iron Coyote Engine Introduced by Ford Performance!

    203 lbs….80 what’s a sleeved AL block coming in at? 130ish? I agree a sleeved bear block I think is cheaper 😳
  13. Cast Iron Coyote Engine Introduced by Ford Performance!

    203 lbs….80 what’s a sleeved AL block coming in at? 130ish? I agree a sleeved bear block I think is cheaper 😳
  14. Factory Piston Pin height

    That’s still a good rod ratio. In modern times the idea of 1.8 has been pushed aside due to material science and it’s been proven in most cases a 1.6ish ratio makes better torque. This combo and an LS7 are in the 1.5x range which is really on the edge of my comfort zone.
  15. Factory Piston Pin height

    At 74* the 5.2 hits 8034 at the same rpm (8000) the 5.4 hits 8467….st 7800 rpm 8200. It’s not terrible…. boosted ls7 at 7600 is 8375 with same rod ratio essentially
  16. Factory Piston Pin height

    In my heart with good hd rods and 3.84 stroke you could run this combo with a max of 25 to 28 lbs of boost up to 7800 rpm and it live a long time. You would need l19 or 625 main bolts and rod cap bolts and I’d do steel main caps…..but I think for a street strip build it would rip!!!
  17. Factory Piston Pin height

    So the 5.2 and 5.0 use the same 3.65 stroke. The only difference is the bore. The 5.2 has a 3.7 bore and the 5.0 has a 3.6x bore. 3.7 is a max bore on these blocks due to the bore spacing. That’s why the only way to gains and cubes is to increase the stroke. That motor uses a 3.9 stroke with a...


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