Stock bottom end with this cam?
Thread Starter
Staging Lane
Joined: Jul 2010
Posts: 65
Likes: 0
From: Socal
Stock bottom end with this cam? What to expect from a cam like this on a stock bottom end, mid mileage LT1 w/ all supporting mods, ported heads/intake and maybe some nitrous?
Last edited by dash94vert; May 14, 2011 at 09:00 PM.
Stock unported heads might choke it down to a useable rpm BUT IMO that looks like it would make a better ported heads on a stroker cam.
Most of us with ported heads on stock shortblocks or even 355s tend to use cams under 230degrees intake duration, unported heads tend to not let a cam rev as high.
Most of us with ported heads on stock shortblocks or even 355s tend to use cams under 230degrees intake duration, unported heads tend to not let a cam rev as high.
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If the heads are decent you probably wont really be able to utilize the duration of that cam because you should shift well past peak HP rpm and I don't think the pcm is going to have the capability, pretty risky to constantly take the stock shortblock to the pcm's limits too. Some guys are fine, some spin rod bearings.
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Thread Starter
Staging Lane
Joined: Jul 2010
Posts: 65
Likes: 0
From: Socal
Well its not my daily driver so drivabilty isn't really an issue, and just as 96capricemgr said the only worry i have is throwing a rod but its a rebuilt bottom end with about 50,000 miles, nothing special done but the older woman I got the car from before had it rebuilt, I could see the pistons werent stock and that it was bored out or honed a bit. And oil pressure should do good, I got a high volume oil pump for it to help the flow or woukd this not have an effect?
Increase parasitic losses, if using a stock oil pan it could cause pump cavitation and can accelerate wear on the oil pump drive gear on the cam.
A standard volume pump with a high pressure spring is all you need.
A standard volume pump with a high pressure spring is all you need.
Thread Starter
Staging Lane
Joined: Jul 2010
Posts: 65
Likes: 0
From: Socal
Thanks, the high volume pump was recommended, but I never knew if it was truely needed and always felt good about just going with the stock pump
Reason why high volume pumps are recommended is because they produce more pressure and the general consensus is that the higher the pressure the more better it is... Not true at all.
Some good info here from one of the most knowledgeable on cz28.com:
http://www.camaroz28.com/forums/show...90&postcount=1
