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  1. #76
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    off to Mt Kembla pub for lunch I see
    who did your dyno??

  2. #77
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    Quote Originally Posted by COM081 View Post

    Salisbury's on borrowed time?
    Not necessarily, I’d take the car to a good diff place where there are people who really know Salisburys and have it rebuilt.

    People often have issues with the Salisbury because they are worn or incorrectly adjusted and then they put a fresh engine in front of them and they fail. The Salisbury, correctly specified, adjusted and in good condition is a robust piece of kit.

    The Ford 9” is popular because it’s seen as easier to live with. Most of that is because it takes less time and expertise to set one up. However, if you find the right person to work on your Salisbury then you’ll be surprised. Setting up the crown wheel and doing the shimming takes a little more time. You also have to make sure the bearings are correctly specified, there are less expensive bearings that fit and would do the job for a stock spec engine but for something like what you have you need the higher quality bearings.

    You’re going to be able to work out if you have the right person with a 10 minute conversation.
    Last edited by Horaldic; 27-11-2020 at 03:17 PM. Reason: Grammar

  3. #78
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    Yeah I see. The diff actually feels good so for now I'm not overly concerned. Leaves nice tram tracks behind it and car goes straight.

    Yeah mate, that was the car at Kembla. Might head there again now with my mate in his GTR. Stick your head in?

  4. #79
    casual poster BasicQ's Avatar
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    Quote Originally Posted by COM081 View Post
    Alright, she's done and dynoed.

    355
    Ported VN heads - extent unknown, biggest valves that fit.
    235/242 594/600 hyd roller
    10.4 comp
    28 deg locked timing
    Holley 750 DP
    Redline Hiwinder manifold
    Difilippo 1 3/4 4 into 1 into single 3" exhaust
    3.36 diff gears

    Showed
    351rwhp at @ 6557rpm
    403NM @ 5630rpm

    Salisbury's on borrowed time?

    Happy days. Thanks to all you blokes for your input and guidance. Car is excellent.
    Great result.

    Much tuning needed?

    Sent from my SM-A205YN using Tapatalk

  5. #80
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    As above

    Salisbury dont do single peggers for long ....

    I have one of these weak as piss unicorn piss infested things with nothing more then a rebuild and gj 4pinion centre behind a turbo 308 with a manual and grabby clutch with not a whole lot of babying.

    It finally broke the bearing spigot off 7 something years later...



    Hazard at a guess my turbo pos put down a little more then 403 nm @ 16odd psi up its ass

    Trans-braked with sticky tyres at the track will be alot sooner.

    I built my current Salisbury with a harrop trutrac made up solid spacer and tightened up back lash quiet dramatically.
    Was a little whiney to start with but has now settled in well.
    On another note the harrop uses larger side bearings and is able to leave more "meat" on the bearing spigot.
    Awesome piece of kit and is worth while upgrade

  6. #81
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    Got my Salisbury done at The Diff Shop. Tru trac in it. Not a modified one. Works a treat. Just need need billet axles now.


    Sent from my iPhone using Tapatalk

  7. #82
    Senior Member JaseQ314's Avatar
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    Good result, well done.

  8. #83
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    Quote Originally Posted by BasicQ View Post
    Great result.

    Much tuning needed?
    Had a stumble off the foot and AFRs were in the 11s. Timing untouched at 28 deg. Picked up about 30hp.

  9. #84
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    Quote Originally Posted by COM081 View Post
    Alright, she's done and dynoed.

    355
    Ported VN heads - extent unknown, biggest valves that fit.
    235/242 594/600 hyd roller
    10.4 comp
    28 deg locked timing
    Holley 750 DP
    Redline Hiwinder manifold
    Difilippo 1 3/4 4 into 1 into single 3" exhaust
    3.36 diff gears

    Showed
    351rwhp at @ 6557rpm
    403NM @ 5630rpm

    Salisbury's on borrowed time?

    Happy days. Thanks to all you blokes for your input and guidance. Car is excellent.
    Amazing how results and peak revs vary with only a few differences.
    My old combo (apart now for upgrades) was similar. The only differences to yours were; stock valves, .5 more comp, 1 5/8"tri-y's, TP single plane, SFT 248/252 @.050".
    Made 406rwhp @6100rpm. (manual though)
    On tuners advice I swapped to 1 3/4" tri-y's and twin 3" and with no tune changes made 436rwhp at the same 6100rpm.
    You would definately make an impressive gain with a better manifold (but be out the bonnet) and twin 3's".

  10. #85
    casual poster BasicQ's Avatar
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    Quote Originally Posted by COM081 View Post
    Had a stumble off the foot and AFRs were in the 11s. Timing untouched at 28 deg. Picked up about 30hp.
    Picking up 30 at the wheels with tuning, good stuff.

    Guessing primary main jets are 70 or 71 now. Secondary 80ish?

    Salisbury diffs can last forever but with 350 odd hp at the rear longevity would be correlated with driving style or at least how often you try and make the tires go faster than the car is moving.
    Last edited by BasicQ; 29-11-2020 at 03:37 PM.

  11. #86
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    Yeah Redtaxi, very much a compromise in keeping it all under the bonnet, and because the Commos have a single cutout in the rear for the exhaust I want to keep that looking neat too. The exhaust had only a single muffler and had a nasty resonance on liftoff so I added a hotdog at the exit which has helped but not completely cured it.

    Basic, I think primary is now 66, secondary I forget!

  12. #87
    Do you ever leave? EH179's Avatar
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    66 main jets in a 750 sounds a bit on the lean side! especially for that engine.
    As Basic suggested, 70's would be the norm'

    Sounds like you are happy with progress none the less, good work.

  13. #88
    casual poster BasicQ's Avatar
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    Quote Originally Posted by EH179 View Post
    66 main jets in a 750 sounds a bit on the lean side! especially for that engine.
    As Basic suggested, 70's would be the norm'
    I wonder if the carb rebuilder drilled out the pvcr's?

  14. #89
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    Well it's running 5-10 degrees hotter so I'll need to keep an eye and ear on it. Was filthy rich before the tune though.

  15. #90
    Do you ever leave? EH179's Avatar
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    Quote Originally Posted by BasicQ View Post
    I wonder if the carb rebuilder drilled out the pvcr's?
    Possibly, and/or using a very early opening power valve. Maybe COMO can respond.

    I'm thinking the 66 main jets would cause bucking/surging prior to the power circuit coming in...or a hotter running engine.

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