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  • Users: golfpin
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  1. golfpin

    piston clearance

    Greetings to all, Had an old chestnut pop up the other day, my opinion was asked on a 2 liter Golf/polo engine full race 12.5 c/r wet sump what piston to bore clearance would be suggested genuine vw pistons used, any one care to comment [83 mm bore] reason for asking engine broke piston top ring...
  2. golfpin

    Self leveling suspension and FRIC

    Hullo to all, especially to gt6racer2 and Tmoose, seems ironic that almost to the day 1 year ago I posted a query re interconnected suspension and I see that it is a bit of a controversey in F1 today. I noticed in your reply, gt6 that you said to google FRIC and I didn,t, sorry, I don,t...
  3. golfpin

    TEL in fuel

    Can anybody help or suggest ..........have 1938 plymouth sidevalve six in very good condition have just done 1000 mile run no problems BUT LRP fuel [lead reolacement petrol] no longer avalable only unleaded, do any of the TEL replacement additives work to stop valve recession eg Wynns about the...
  4. golfpin

    CHASSIS STIFFNESS

    GOOD DAY ALL, MY QUESTION ... HOW REPRESENTATIVE IS A STIFFNESS TEST BASED ON OLD FASHIONED KNOWLEDGE EG CHASSIS BOLTED TO THE FLOOR SUPPORTED AT 3 POINTS THEN LOADED TO CREATE AND MEASURE DEFLECTION. THIS IN THE LIGHT OF NO COMPUTER PROGRAMS OR F.E.A. OR LIKE THAT, JUST OLD FASHIONED HANDS ON...
  5. golfpin

    hydraulics / pneumatics

    G,day to all, any thoughts on why hydraulic systems were preferred over pneumatic .........have just recently been looking over a YAK 3 and been apprised of some of its features, simplicity,yes, but that the systems are entirely pneumatic. Taking into consideration that it is designed with the...
  6. golfpin

    "new" roll/sway bar concept

    Morning all, referring to magazine Race car Engineering V9n1 Jan/Feb 1999 page 76 would anyone care to make comment or does anyone know if this layout has gone anywere, I cannot see any advantages and I do not understand the statement "fully floating spring damper unit". I was approached...
  7. golfpin

    no droop suspension

    Quite an interesting one here, have just had an old friend call to say hi, he is a former SA formula atlantic champion and Daytona 24 hour winner, good pedigree! So the conversation got onto guess... suspension engineering. He currently runs a very powerful cobra replica based on BMW suspension...
  8. golfpin

    piston speed

    A very happy new year to all, I picked up on thread that Greg Alcock replied to, referring to my hero of engineers, Lanchester, he , I understand put forward a theory in about 1905, that engine speed was not limited by Revs but by piston speed, and that the upper limits for the time, based...
  9. golfpin

    Z bar

    your comments on this would be appreciated,... 2 litre vw polo run in clubmens class suffering severe wheel spin on inside wheel to the turn. Cannot afford lsd if a Z bar could be packaged into the front would this help with the wheel spin or is there another "demon tweak" that might help? If...
  10. golfpin

    nomenclature in engineering

    Please could somebody define/explain "heave anti- heave" this phrase in suspension terms is foreign to me. Yaw pitch, roll squat etc are almost self explanatory, I have asked this in a previous post but sadly seems to have been missed. With thanks Golfpin
  11. golfpin

    weight transfer via kpi

    thought this may be of interest, got involved with the "remanufacture" of quite a successful clubmans car, golf 1800 pwr, alfa five speed g.box engine orientation north south Toyota back axle. For sometime I had been chewing over the issue of kpi of which there is a huge amount in most...
  12. golfpin

    oil pressure

    how much oil pressure is sufficient, Chevy small block std oil system supposed to be good for 600 bhp does this mean more bhp more Oil press required or is it a function of bearing area related to revs therefore bigger inertia loads? I was lead to believe that when running the VW water cooled...
  13. golfpin

    springs & bumpsteer

    help please, have got coil spring off a replica cobra, on the spring is painted 80 - 180 this I think the metricated version of what I know to be inch pounds; the 180 appears to be the overall length of spring but what is the 80 and how do I convert to inch pounds? On the same note this car is...
  14. golfpin

    FUEL CONSUMPTION

    ANY THOUGHTS ON USING 1 1/4 SU ON 1600 BEETLE WITH A VIEW TO IMPROVING FUEL CONSUMPTION PRICE NOW HEADING TO R15/LITRE CONSECUTIVE INCREASES IN LAST 2 MTHS.
  15. golfpin

    aluminium cylinder heads

    anyone care to comment, have used an epoxy glue to fill a cavity in a mazda rotary engine when bridgeporting. Worked perfectly do you think the same product would work on water corroded aly car cylinder head? The mazda part was steel [not the rotor] and the temperatures I think would be about...
  16. golfpin

    SELF LEVELING SUSPENSIO I AUTOCROSS

    HOPE THIS IS NOT TOO FAR OFF THE POINT, WOULD ANYBODY CARE TO COMMENT ON THE FOLLOWING. CIRCA 1982 THE AUSTIN 1100, NAMED THAT IN RSA, WAS LAUNCHED, I WAS AN APPRENTICE AT THE TIME ON THE FLOOR ABOVE US WAS THE BODY SHOP. I NOTICED THAT THERE WAS AN ABNORMAL NUMBER OF THESE CARS WERE IN FOR...
  17. golfpin

    current F1 front suspension

    newbie here, current F1 front suspension layout would seem to indicate the front roll centre at perhaps ground level or lower. Is this the case, and if so would this not aggravate the "jacking effect". Have been out of the design loop for a long time am I missing something or is there a heavy...

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