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Old 3 Feb 2019, 06:33 (Ref:3881588)   #61
Mike Bell
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Mike Bell has a real shot at the podium!Mike Bell has a real shot at the podium!Mike Bell has a real shot at the podium!Mike Bell has a real shot at the podium!Mike Bell has a real shot at the podium!
Well Terence, you’d probably be more competitive with a TR now- believe that engine has a ‘new’ cylinder head nowadays ......
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Old 3 Feb 2019, 10:54 (Ref:3881630)   #62
Simon Hadfield
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Simon Hadfield should be qualifying in the top 10 on the gridSimon Hadfield should be qualifying in the top 10 on the grid
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Originally Posted by Moosehead View Post
Indeed - going back to Ford 289's - original crank was cast iron but now steel from various aftermarket manufacturers appears to be the norm in AppK cars
Allowed in Appendix K, article 5.8 of appendix VIII if anyone’s interested, which is pretty much lifted from the period Appendix J I believe.
So thus it can be done provided of course that it complies with 3.6.7.1 and is within 5% of the original weight.
Mind you the last time that was ever checked Noah was probably trying to work out what a cubit was........
As has been mentioned before, you only have to look at some of the flywheels and clutches being used today - both of which would be on the relevant homologation form - to figure out that it is unlikely that the crank is actually made to those parameter.

Last edited by Simon Hadfield; 3 Feb 2019 at 11:01.
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Old 4 Feb 2019, 07:49 (Ref:3881831)   #63
Terence Bower
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Terence Bower should be qualifying in the top 10 on the grid
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Racing for FUN? No, cheating for what they think to be glory. I just hope the 105 was at least a GTA…
Nope, just a 105 Gerard.
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Old 4 Feb 2019, 08:17 (Ref:3881834)   #64
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zefarelly should be qualifying in the top 3 on the gridzefarelly should be qualifying in the top 3 on the gridzefarelly should be qualifying in the top 3 on the grid
Indeed it has . . . . I saw one bought for a TR3 . . . . TBH it wasn't as good as it could have been. nice casting, finished like a 70's hot rod head!

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Well Terence, you’d probably be more competitive with a TR now- believe that engine has a ‘new’ cylinder head nowadays ......
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Old 4 Feb 2019, 10:21 (Ref:3881842)   #65
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zefarelly should be qualifying in the top 3 on the gridzefarelly should be qualifying in the top 3 on the gridzefarelly should be qualifying in the top 3 on the grid
4 bolt 2 dowel is SSSOOOO Last century Simon. One can only assume excessive consumption caused double vision, or maybe treble.

Ford flywheels homologated @ 6.5 (varies slightly for cars delta/Morgan/Ginetta/Turner etc) TC @ 7kg, interestingly the early LC is homologated with a 7.25" clutch the same as the GT . . . . which wasn't reliable, whilst we all know the 8" clutch was standard on all TC's and the flywheel heavier as a consequence. . . LC photo's have a gearbox stuck on the back of the engine so you cant see.

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Originally Posted by Simon Hadfield View Post
Allowed in Appendix K, article 5.8 of appendix VIII if anyone’s interested, which is pretty much lifted from the period Appendix J I believe.
So thus it can be done provided of course that it complies with 3.6.7.1 and is within 5% of the original weight.
Mind you the last time that was ever checked Noah was probably trying to work out what a cubit was........
As has been mentioned before, you only have to look at some of the flywheels and clutches being used today - both of which would be on the relevant homologation form - to figure out that it is unlikely that the crank is actually made to those parameter.
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Old 6 Feb 2019, 06:52 (Ref:3882191)   #66
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andy97 should be qualifying in the top 10 on the gridandy97 should be qualifying in the top 10 on the grid
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From 750MC, we adopted the MX5 NA regulation. It works fine so far, people have fun, relaxed ambiance, few if no suspicion, reliable cars. The organiser reserves the right to exchange the ECU at any time of the meeting. The rolling road is a good idea and I'm sure Andy can comment that… But this concerns modern cars, injection, electronic ignition… In no way related to a Cooper you want to race at Monaco. In this case its hard to believe that the price of a carb or copy of a carb will stop the process. Driving such cars at such places involves "some " money, dont you think so? So, one carb or two and may be three, WTF?
Rolling Road tests can be made irrelevant with different maps and clever ways of hiding their employment.
Gerard is referring to a certain clever tuner managing to defeat PCGB class power to weight rules on 944 Turbos by having different maps activated by a rotary switch on the front wheels. Allegedly. They were compliant on the RR.
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Old 6 Feb 2019, 08:52 (Ref:3882197)   #67
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zefarelly should be qualifying in the top 3 on the gridzefarelly should be qualifying in the top 3 on the gridzefarelly should be qualifying in the top 3 on the grid
a different set of tyres will make a difference on a rolling road. far too many variables.

Having said that, if you're diligent with the way yo u use it, I still think its a far better tool than a dyno in a laboratory where you can effectively manipulate conditions to give the numbers that sell the engine . . . . . which will be different again once its in the car!
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