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DuffyMahoney

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DuffyMahoney last won the day on February 14 2019

DuffyMahoney had the most liked content!

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About DuffyMahoney

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    Always Here

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    www.mickduffs.com

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  • Location
    Sandpoint, ID

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  1. Thanks! I got slightly more. But not a lot. Stroker Diesel crank is back from marine crankshaft! Offset ground to 84.6mm Toyota rod ends 1.8896” Ground main journals to -020” Dynamic balance Ion plasma nitride, straighten and micro polished.
  2. L Diesel Stroker crank. Extra offset ground for toyota rods. I will have full details tomorrow. I had the work done at marine crank. I think it’s 84.5 stroke
  3. Starting cam mock up. I’m using the bonk .535 cam.
  4. Duffys E31 Flow Testing 63" Static 15" Static 63 Degree Shop 45 Intake Valves 36.5 Exhaust Valves DSI Big Valves LIFT Manometer CFM LIFT Manometer CFM Porting By Andrew Kazanis of Mad Greek 0.05 50 35 0.05 14 35 Date: 2/22/2020 0.1 45.25 60 0.1 13 55 0.15 41.75 90 0.15 12.1 80 0.2 36.5 125 0.2 11.5 95 0.25 33 140 0.25 11 115 0.3 31 160 0.3 10.7 125 0.35 27 190 0.35 10.5 130 0.4 23 220 0.4 10.3 135 0.45 21.5 235 0.45 10.1 145 0.5 21 235 0.5 10.1 145 0.55 21.2 230 0.55 10.1 145 0.6 27 190 0.6 10 150 Datsun Flow Testing Data.xlsx
  5. Datsun Spirit valves are in my E31! Next is flow testing. Thanks for all the help Andrew Kazanis Details: New guides, bronze guide liners, reamed to size, seats cut, three broken studs removed.
  6. I will make the cap nice looking. Somesort of SK logo. I will keep it simple, but add some flare. The casting is pretty rough, first step is to knock that down. My local engine shop has a huge vibratory polisher. I might try that first.
  7. My oer/ SK intake plan is going to be perfect. Basically I’m looking for a clean way to do iac and pcv. I will have a plate machined to cap this faux balance bar. Then tap each runner for 1/4 or 3/8. I love the oer/ Sk linkage. The IAC and PCV will be done on the bottom out of sight. This is what the Sk/ oer intake look like under that cap. Casting is a little rough for my personal tastes. I will use a Bosch 0280140551 IAC.
  8. I did the same, but i ended up hating the B&M so i went back to stock with fresh bushings.
  9. Steve Bonk cam, he is a high end cam regrinder.
  10. I am offset grinding a LD28 crank to get me 84.5 stroke. I will use eagle toyota rods and custom pistons from rebello. Then Datsun spirit valves on a ported and polished E31. 88.5 bore on either an F54 or N42 block. I will be going NA with 45s ITB. Bonk cam. Should be fun and I think it will be close to a 3.2L.
  11. Looks pretty awesome. Nicely done.
  12. We purge tig weld a lot at work, (I own a brewery) it uses a lot of gas, but welds are amazing.
  13. Nicely done! I like the head cooling mod and the push to lock a lot.
  14. I have a brand new hoke trigger for sale. If anyone is looking, for a stock 240z pulley.
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