nardo
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the right cam shaft
hi everyone im running a standard 2 L pinto in my mk1 with extractors twin dellorto 40 dhla and planning to do some head work eg port n polishh. just wonding if anyone knows of the best cam shaft and what type and how much as i dont kno much about them. what's the best brand to go for? any help would be appreciated
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maxrs
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RE: the right cam shaft
2010/04/20 17:57:27
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Hi Nardo. The subject has been done a few times before.
Some good contacts of suppliers are in here. http://classic-ford.org/forum/topic.asp?TOPIC_ID=17737
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nardo
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RE: the right cam shaft
2010/04/21 21:35:44
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thanks for that maxrs.
just wondering what your recommendation is on a cam? what would you go for? thankd
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Avon
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RE: the right cam shaft
2010/04/21 22:53:53
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What do you want to use the car for?
Daily drive? Weekender?
This is a good starting point: http://www.rsmotorsport.com.au/technical/files/pinto_cams.pdf
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nardo
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RE: the right cam shaft
2010/04/23 15:18:27
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thanks avon.
Im looking to build a quick street car which i would drive often and sometimes take it to the drags. somthing with abit of go
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maxrs
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RE: the right cam shaft
2010/04/23 18:54:31
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quote: Originally posted by nardo
thanks for that maxrs.
what would you go for? thankd
The fastest sohc Pinto i have ran had a Ivan tighe cam. I don't know what duration it was, 35/75 is all i was told. it had the letter R stamped on the end.
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nardo
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RE: the right cam shaft
2010/04/23 22:26:47
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what works done to your pinto maxrs?
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maxrs
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RE: the right cam shaft
2010/04/23 23:00:51
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quote: Originally posted by nardo
what works done to your pinto maxrs?
That combo was with standard valves, ported head with a 500 Holley on a match ported standard inlet manifold. Loads of compression with a good "rpm 90" clutch. Balancing the bottom end will help a Pinto engine rev to 7000 rpm with a standard flywheel.
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Avon
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RE: the right cam shaft
2010/04/24 01:44:11
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quote:
The fastest sohc Pinto i have ran had a Ivan tighe cam. I don't know what duration it was, 35/75 is all i was told. it had the letter R stamped on the end.
35(BTDC)+180+75(ABDC) = 290 degrees duration. Tighe 924 grind. I picked one up recently with a bunch of other stuff - have no plans to use it as I'm after a shorter duration and higher lift for torque > power. Has 0.425" of valve lift, cross drilled, matching rockers.
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nardo
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RE: the right cam shaft
2010/04/24 15:32:45
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would you be interested in selling? how much? also what rev region is it in? and what other parts do u have included
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maxrs
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RE: the right cam shaft
2010/04/24 16:06:12
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quote: Originally posted by nardo
would you be interested in selling? how much? also what rev region is it in? and what other parts do u have included
Getting followers with a cam is best. some suppliers have different rocking ratio's. this all depends on valve stem lengths. It will produce power from 3500-6500rpm. mine was a dog under 2500rpm. I would go for Avon's cam if i needed one. Remember, it won't need the spray bar anymore being cross drilled. The oil feed will need blocking off on the side of the center cam post, where the oil rail bolts on. Oil feeds the cam via a slotted center cam bearing. It's not straight forward, but worth while if you don't trust the spray bar to feel oil to each cam lobe.
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Avon
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RE: the right cam shaft
2010/04/24 21:34:53
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quote: Originally posted by nardo
would you be interested in selling? how much? also what rev region is it in? and what other parts do u have included
I'll email you later when i get a chance
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