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Thread: Holden V8 in 1985 RRC

  1. 22nd October 2017, 08:01 AM #1
    Richard Kaye
    Richard Kaye is offline Master Supporter
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    Holden V8 in 1985 RRC

    Hello,
    I have a 1985 RRC with a Holden 304 (VN heads, no computer), 727 auto and straight LPG through an IMPCO 425. I was wondering what intake and exhaust manifolds other people are using on a setup like this, also the camshaft, standard or another grind. Also any other tips, tricks or information people have with a Holden V8 in their RRC. The picture is my 304 with a single plane intake manifold, currently I have the original EFI banana manifold with the IMPCO 425 and Rochester base plate bolted to it. The exhaust manifolds are the cast type, I don't know which model of commodore they are off but they just fit in there. Also the LPG consumption is around 25 litres per 100km, does this sound excessive?
    Regards
    Richard.


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  2. 22nd October 2017, 08:51 AM #2
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    Vern
    Vern is offline OldBushie
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    I used to have a holden 336 stroker in an old rangie with t700 trans, cam was mild, had extractors as they made them for rangies, not vn heads though, and ran a stock port matched intake with quadrajet carby.
    Used 26L/100 on 35's.
    I have vowed to never own a petrol 4x4 againHolden V8 in 1985 RRC
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  3. 23rd October 2017, 08:54 PM #3
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    350RRC
    350RRC is offline ForumSage Silver Subscriber
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    The 727 has a thirst all of its own.

    DL
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