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Old 06-12-2003, 04:25 PM
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small cam's for chevy small block's

I have a corvette cam It's about 430 to 434 lift. If i put I my 355 with worked 441 heads edelbrock perfomer intake edelbrock 600 carb. would it run and sound ok. 700R4 with 3.73 I doing some work on my motor . Would it have a slight lope idle.

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Old 06-12-2003, 04:42 PM
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That's a pretty mild cam but it'll work.
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Old 06-12-2003, 09:51 PM
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Your idle will be stock and smooth, I have a 475-498 in my truck with a 327 and I can bairly tell it's got a "cam" the idle has a very slight choppy sound and it immediatly goes away when you tap the gas. With the 430-434 the lobe seperations might be different and make your idle more rough, but if you want a lopy idle you need a 500+ lift cam but not to big. I'm building a 350 small block and putting a 580 lift and I hope it will be setting car alarms off!!!
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Old 06-13-2003, 11:31 AM
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Valve lift really has very little to do with how "lopey" a cam sounds. Duration and overlap and lobe separation are more what determines the idle quality. Some super stock cams have over 300 degrees of duration with the stock lift numbers.
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Old 06-13-2003, 11:59 AM
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The duration @50 on my 475-498 is like 230-240 and 114deg lobe seperation, it's pretty mild. I figured with different lobes and stuff it could determin the idle.
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Old 06-13-2003, 03:55 PM
E.T. divided by $ spent= Speed
 
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The tighter the Lobe sep.the more lopey,depending on duration.
70 nova,with your setup you didn't list compression ratio.But heres what I would do If ya got at least 8.5:1 compression go Comp EX262 dur.218/224@050 462/469lift 110/lsa.should be fine with a stock stall converter too.
Your vette cam sounds like the L69 cam.It'll be a smooth idle.The car will run OK but could run better with a more precisely matched cam.

Last edited by 78 monte; 06-13-2003 at 04:02 PM.
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Old 06-13-2003, 09:53 PM
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cam

What would the duration on a L69 vette cam be
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Old 06-14-2003, 12:11 AM
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I think 198/202@050.L69 was the 305HO.But I believe they used that same cam in 350s too.
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Old 06-14-2003, 12:02 PM
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Thank's for ever one's help.
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