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Author: Subject: dyno log from Stoneleigh, needs explaining
ss1turbo

posted on 6/5/09 at 08:38 PM Reply With Quote
2 of those plugs are showing pretty bad signs of oil contamination; a third looks not as bad, and the 4th (could be the camera angle) looks like it has a gap you could drive a bus through..

Oil stem seals would be a good starting point (otherwise its rings..) - I was thinking about this at work today and wondered if your throttle cable was correct in allowing the throttle body to fully open? From what I remember of EFi Ford ones of that era, the last 25% of throttle opens it the last 50%....





Long live RWD...

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MikeRJ

posted on 7/5/09 at 12:21 AM Reply With Quote
Having just perused the Sylva mailing list, it seems a there were rather a lot of dodgy numbers being produced by that particular rolling road. Clairetoo's engine was somewhat down on power (though sounding lovely!), and a chap with an R1 engined car got 111bhp from what should be a 150bhp engine.

Your Pinto is certainly burning a bit of oil though, fouled plugs can make a surprising difference as you have noticed.

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vindicator

posted on 7/5/09 at 09:09 AM Reply With Quote
Morning, driven the car on the motor way to work this morning......WOW.....what a difference.

The engine seems more clean, responsive on acceleration and instead of just slowly passing cars as they pull over into the middle lane, I seem to be flying past them.

I agree, I must get round to the valve oil seals....I have them already and it is just time to get round to them.

As to the readings on the rolling road, my 2 other collegues....
rover v8 turbo and that produced 160HP
ford cvh 2lt efi and produced 115HP (I think!!)

But I am happy as this was the starting point and can now work forward and monitor the progress.





timr.spaces.live.com---build blog

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mtechmatt

posted on 11/6/12 at 12:06 PM Reply With Quote
We will be at the NEwark show this weekend on the saturday if you would like to have it checked over again?

Its a Dyno Dynamics rolling road, universally accepted to be the most accurate chassis type dyno available. Power runs are £30, and we will only be available on the Saturday, as we are off to PFC show on the sunday... busy weekend!

See you all there!






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vindicator

posted on 11/6/12 at 06:23 PM Reply With Quote
Thanks for the offer, but I won't be able to make it.

Just walked through the door after a brilliant weekend doing the London to Brighton run on Sunday and staying over night in Brighton.

Since the last post, the head came off and the valves were re-ground and oil stem seals replaced. Just this alone seemed to improve the performance. There was a noticed improvement in throttle between 60-90MPH.

Next improvement was moving the air filter and air flow meter that was behind the radiator sucking in hot air, to in front of the radiator. This seems to improve speed and also over this weekend, mpg.

So I am more than happy, and the real reason why I can't make this Saturday, is that tomorrow (tuesday), I have to be in another part of the world on business for a fortnight.

However, I shall come and see you again when I can go to another show and you are there.

regards

Timr







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