starting a new build

Discussion in '94-95 5.0 - Specific' started by Jasperstang308, Mar 29, 2007.

  1. Jasperstang308

    Jasperstang308 Member

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    like it says i am going to be starting a new build for my 86 notch here soon. well as soon as my friend gives me the free 302 block. please critique and give suggestions
    engine:

    347 stroker 10.5:1 cr
    AFR 205 heads
    solid roller custom cam
    1 3/4 exhaust
    victor jr intake
    700-750 dp
    7-8k rpm

    suspension

    steeda lowers with upr spherical bushings
    z motorsports uppers
    MM subframe connectors
    bogart wheels
    D&D full k-member kit
    steeda anti roll bar kit
    lakewood 90/10s
    lakewood 50/50's

    thats just an idea so far what do u think?
     
  2. Jasperstang308

    Jasperstang308 Member

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    also what gearing do u think would work for this set up? i was thinking in the 4.10 to 4.30 range
     
  3. 97vertstang

    97vertstang Well-Known Member

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    i dont think ull get that 347 to 7-8k :dunno:
    to rev it that high ur probably better with a 306, really good valvetrain, and a WILD cam. oh and something like 4.56-4.88 gears.
     
  4. ryclef331

    ryclef331 Well-Known Member

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    7k will be no problem with that motor...8k might be pushing it with a stock block. I think you need to be looking at like a 4.30 gear witha 28" tall tire. A 306 would be less stress on the block reving that high but like you said, you'd have to have a HAIRY cam in it and alot of gear b/c it'd be a DOG down low. A 347 would be better suited to those heads and tone down a more wild cam a little better.
     
  5. Jasperstang308

    Jasperstang308 Member

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    honestly i would like to be shifting at somewhere around 7-75k 8 was just an example. do u think i will be able to throw a wet kit on there without fear of detonation? and still be on pump gas?

    i am hoping for 420-450rwhp n/a do u think i will be at my goal?
     
  6. Jasperstang308

    Jasperstang308 Member

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    bump
     
  7. ryclef331

    ryclef331 Well-Known Member

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    The higher you can turn a motor, the less susceptible to detonation it is. Shit is happening so fast at higher rpms, the piston will already be moving downward on the powerstroke even if the intake charge has preignited. High cylinder pressures and high load on the engine is what causes severe detonation....like flooring it up hill a 2,000rpms in 5th gear. You could probably get away with a small (75-100hp) shot but you could be pushing that stock block with that RPM and power level.
     
  8. Jasperstang308

    Jasperstang308 Member

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    what about those girdles? do u have any experience with them? would they help it last longer or make it stronger?
     
  9. Anrev

    Anrev Active Member

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    You might consider a DSS 331 stroker kit. Forged internals, and not as much stress on the rods and pistons at higher RPMs. The rod to piston angle is at almost its max in a 347. The angle on a 331 is much less. So it will rev higher safely. And it will handle the NOS better at those RPM ranges.
     
  10. Jasperstang308

    Jasperstang308 Member

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    but wouldn't it need a small shot if nitrous to make up in the power i lost overall to from going to a 331 instead of a 347? thats a good point about the rod angle though