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Ford Racing Engines Pdf Plus Cosworth Added

ford cosworth engines DFV

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#1 John Woods

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Posted Mar 25 2018 - 11:46 AM

Found this recently while wondering around...

Interesting history of Ford racing engines, presented by Ford Racing.

http://performancepa...gineHistory.pdf




:D

Edited by John Woods, Mar 28 2018 - 08:27 AM.


#2 leon_90

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Posted Mar 25 2018 - 01:04 PM

Thank you! :thumbup:

#3 Royale

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Posted Mar 26 2018 - 02:59 AM

View PostJohn Woods, on Mar 25 2018 - 11:46 AM, said:

Found this recently while wondering around...

Interesting history of Ford racing engines, presented by Ford Racing.

http://performancepa...gineHistory.pdf




:D


Add this ;)

http://www.grandprix...sworthstory.pdf

Edited by Royale, Mar 26 2018 - 03:00 AM.


#4 John Woods

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Posted Mar 26 2018 - 06:57 AM

View PostRoyale, on Mar 26 2018 - 02:59 AM, said:


Yes, that is a really good, (long) read.
Especially like this part about the DFV found on page 12:

"In fact, because of a resonance in the valve gear which broke cam driving gear teeth early in the bench tests (59) starting in April 1967, the engine had to be limited by its new electronic governor to 9,000 RPM and about 400 HP (see Note 85)."



:D

Edited by John Woods, Mar 26 2018 - 08:14 AM.


#5 Michkov

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Posted Mar 26 2018 - 02:26 PM

View PostJohn Woods, on Mar 26 2018 - 06:57 AM, said:

View PostRoyale, on Mar 26 2018 - 02:59 AM, said:


Yes, that is a really good, (long) read.
Especially like this part about the DFV found on page 12:

"In fact, because of a resonance in the valve gear which broke cam driving gear teeth early in the bench tests (59) starting in April 1967, the engine had to be limited by its new electronic governor to 9,000 RPM and about 400 HP (see Note 85)."



:D

This wasn't a hard rev limiter as seen on modern cars. It wasn't quick enough to catch a spike in RPM brought about by bumps or the car getting airborne. It could only cut the engine if the revs rose slowly enough from what I've read.

#6 Iestyn16

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Posted Mar 26 2018 - 03:24 PM

"Thanks to the UK entering the European Economic Community on 1 January 1973, teams henceforward had to pay Value Added Tax (VAT) on their engine purchases, at 8% initially." Totally off-topic, but that is interesting, I wonder how/why it came about?

Also interesting is slicks first being raced at Spain 1971 and the reason for Shadow's pole positions in the first two races of 1975. Stewart having the best unit for France 1971 and the differences between typical and best engines! Plus now I can see in part why Williams had the best 'atmo' car in 1982, more able to compete with the turbos - extra power through Judd's camshaft costing 2.5x more than the engine itself for an extra 20hp!




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