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 Post subject: Re: help pick a cam
PostPosted: Wed Jul 18, 2018 5:20 am 
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Note that almost none of the cam companies used LSAs less than 108 for a Slant. I was pretty sure the MP 0.528" was 108 LSA, but I guess I am remembering incorrectly. Sounds like Rick said the Erson 282 is 110 LSA, from his post above. If Charlie wants to use one of these cams he has in stock, then it sounds like the Erson is the way to go.

Lou

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 Post subject: Re: help pick a cam
PostPosted: Wed Jul 18, 2018 5:28 am 
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I have both those cams in stock. Based on Rick's experience (and mine) with a lobe failure on the MP cam, I think I will go with the Erson.
The Erson cam Rick is referring to, is not the same cam I have. Plugging the timing events on the cam card, into a online calculator, says my Erson has a LSA of 106.

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65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 225 nitrous
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 Post subject: Re: help pick a cam
PostPosted: Wed Jul 18, 2018 6:06 am 
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Supercharged

Joined: Thu May 12, 2005 11:50 pm
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Found lsa selection graph:


https://www.pistonheads.com/gassing/top ... &t=1103886

Looks like 107 for 225 with 1.7 valves and

113 for 170 engine.

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64 Valiant 225 / 904 / 42:1 manual steering / 9" drum brakes
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 Post subject: Re: help pick a cam
PostPosted: Wed Jul 18, 2018 7:39 am 
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Ed has got it. That is how I have been picking my LSA. Yes, the 170 wants a lot more LSA than a 225, and I had forgotten it was that much more. A 198 would want around 110 LSA.

Lou

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