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djtimm
Running 276 deg cam with turbo
#1
Not too shy to talk
Joined:
2007/11/22 13:46
From RSA
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Can anyone help with info:
Can I run a 276 cam + turbo or must I revert back to my std cam??

Posted on: 2008/2/28 19:41
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dattodude
Re: Running 276 deg cam with turbo
#2
No life (a.k.a. DattoMaster)
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1998/12/6 1:08
From Sydney, Australia
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276, if measured the way I think it is, is not so bad for turbo.

Big overlap cams are bad for turbo fuel economy.
as the pressured air+fuel enters the chamber while exhaust valve is still open.

I read a bit about this when I went for 270 cams in my CA18det.


Posted on: 2008/2/28 20:47
_________________
'71 Green 1200 Sedan CA18DET Project 99.98% complete
'71 White 1200 Sedan 20,000mi + A14T (twin 40DCOE 30/70 cam, extractors)
Website: http://www.shoeys.com
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2332owner
Re: Running 276 deg cam with turbo
#3
No life (a.k.a. DattoMaster)
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2003/5/5 19:19
From Okinawa, Japan
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Will fuel economy be the only thing affected, because I have a pretty wild cam and want to boost my engine eventually. I was thinking I'd have to change the cam but it'd be nice if I didn't.

Posted on: 2008/2/29 0:31
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Booster
Re: Running 276 deg cam with turbo
#4
Just popping in
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2007/8/30 3:59
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i run a 270 in my toyota pushrod 5k motor and it works well, but it was a cam designed for turbo so i donno if you can change the overlap point to suit turbo or n/a?

Posted on: 2008/3/5 0:55
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