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Thread: 5.2 Rover V8 Stroker kit

  1. 23rd July 2016, 09:14 AM #31
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    justinc
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    I concur that getting the compression increased and selecting a decent exhaust sytem and ignition uograde will make a huge difference to the 3.9. Have done a few low comp (8.13:1) to high comp (9.35:1) upgrades, new std cam, port matched inlets and exhausts , and the 2.75" exhaust system seems the best size.

    Pretty happy with the value for $ outlay. These engines are never going to use small amounts of fuel you can only hope to make them more efficient ie more torque lower down to enable higher gears to be used. Thats the only way you'll see any fuel saving.

    Jc
    The Isuzu 110. Solid and as dependable as a rock, coming soon with auto box😊
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  2. 23rd July 2016, 07:19 PM #32
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    Interesting, JC.

    What size exhaust dia would you recommend for a 5.7 litre V8?

    TIA, DL
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  3. 24th July 2016, 09:51 PM #33
    Tombie Guest
    I remember that build!!

    I to was a member of the 4.9 club. I just added 9psi on top for fun!
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  4. 24th July 2016, 09:54 PM #34
    Tombie Guest
    Quote Originally Posted by 350RRC View Post
    Interesting, JC.



    What size exhaust dia would you recommend for a 5.7 litre V8?



    TIA, DL


    Depends on state of tune, operating rpm range intended amongst other bits and pieces.
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  5. 26th July 2016, 08:33 PM #35
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    Tins
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    Quote Originally Posted by PAT303 View Post
    Or suck it and see like I did on a 2.25,milled 1/8'' off the head,stuck it back on and started it. Pat
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  6. 28th July 2016, 11:06 AM #36
    PAT303
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    It ran on Petrol/LPG with cab adjustable ignition timing,it ran very well,so well in fact I blew off a lot of LR's going down to the 50th birthday get together at Cooma,everyone thought I had a 3.5 under the bonnet . Pat
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  7. 3rd August 2016, 09:06 AM #37
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    Not sure a 3.9 could take a twinscrew without some serious mods....
    I have an autorotor mx422 sitting here for a few years, was going to put it on my m117 5.6 - hasn't happened yet. I now have a 3.9 with 337,000 on it. could rebuild to take a blower, but the real question is, is it worth it?
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  8. 3rd August 2016, 06:42 PM #38
    PAT303
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    Is it worth having it sitting in the shed?. Pat
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