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  • 76lxhatch's Avatar
    21-02-2018, 06:39 AM
    The main drawback of using too big a throttle body on an EFI system is simply physical pedal movement - if the maximum air flow your engine can pull...
    6 replies | 273 view(s)
  • 76lxhatch's Avatar
    02-02-2018, 10:57 PM
    Yeah originals are approx 19lb/hr so going to 24lb/hr is a lot more than slightly bigger - that will be your main problem. Depending on how much work...
    13 replies | 368 view(s)
  • kiwiholdenman's Avatar
    02-02-2018, 07:51 PM
    kiwiholdenman replied to a thread 427 BBC query in Chevrolet
    For me the only advantage of alloys is the weight saving and thats it, if you really want alloys it is a good idea to run a girdle up top there as...
    17 replies | 792 view(s)
  • kiwiholdenman's Avatar
    02-02-2018, 06:45 PM
    kiwiholdenman replied to a thread 427 BBC query in Chevrolet
    Jeepers HK you got me thinking on the numbers as yes it is an LS-7 as the heads are 990's so it seems i am wrong about them being closed chambers but...
    17 replies | 792 view(s)
  • 76lxhatch's Avatar
    02-02-2018, 06:17 AM
    Yeah closed loop idle is a different thing in these, it refers to managing the RPM using timing and IAC adjustments. If the car didn't have an...
    13 replies | 368 view(s)
  • 76lxhatch's Avatar
    01-02-2018, 08:28 PM
    NZ models had the wire earthed and ran full open loop tunes due to the leaded fuel at the time, if memory serves that was closer to the front of the...
    13 replies | 368 view(s)
  • kiwiholdenman's Avatar
    01-02-2018, 06:43 AM
    kiwiholdenman replied to a thread 427 BBC query in Chevrolet
    Was running 98 with lucas octane booster and timing locked @ 36 and was'nt too bad, was making around 190 psi according to the compression tester,...
    17 replies | 792 view(s)
  • kiwiholdenman's Avatar
    31-01-2018, 08:07 PM
    kiwiholdenman replied to a thread 427 BBC query in Chevrolet
    Hi mate i had an LS-7 454 in my HQ coupe that was all as it came from the crate in the 70's, big port heads and old solid flat tappet, 12.5-1 comp...
    17 replies | 792 view(s)
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About Tappit

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37
About Tappit
Location:
NewZealand,Wellington, Upper Hutt
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parts fitter, diesel repairer
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VH Commy Wagon

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6 Friends

  1. 76lxhatch 76lxhatch is offline

    Sure why not?

    76lxhatch
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