LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Centerbolt Sheet Metal Valve Covers

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Old Dec 15, 2006 | 04:13 PM
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93 4mula's Avatar
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Centerbolt Sheet Metal Valve Covers

Im am going to purchase a set of Centerbolt Sheet Metal Valve covers but I was curious do they make any of them centerbolt without the notch on the front for the alternator because Im not putting the bracket or anything back on. I relocated my alternator to the bottom of the motor. Also which brand is best for clearance for my pro mag 1.6's
Old Dec 15, 2006 | 04:49 PM
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just about none of them DO have the notch. i kept mine in the stock location..so i notched a pair of covers. you'll be fine with reg centerbolt covers.
Old Dec 15, 2006 | 04:54 PM
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I was looking at this summit brand but where do I fill the oil in from because theres no filler neck or no rubber grommet on the back like the stock ones for that vent line..

http://store.summitracing.com/partde...5&autoview=sku
Old Dec 15, 2006 | 05:31 PM
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I've been looking at the same ones. There are no holes because you have to drill your own holes for the breather and pcv. No fill. You can have a fill cap welded into them or just put the breather in a spot that will allow you to remove it to put the oil in.
Old Dec 15, 2006 | 06:34 PM
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Canton make LT1 valve covers with the indent for the alternator. Do a "search"..... links and photos have been posted numereous times.
Old Dec 15, 2006 | 06:37 PM
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Fred, hes looking for a nice set without the notch...

The Cantons are also a good choice but they are notched...
Old Dec 15, 2006 | 06:45 PM
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I got some from moroso with centerbolts and they cam with girdles
look similar to the summit
Old Dec 15, 2006 | 08:56 PM
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I think Im going to order these sets off ebay. They make a breather that is double o ringed so it wont leak and then you can just pull the breather cap out to fill with oil. But then Ill still need to drill a hole for the pcv line right? Is the pcv even needed?
Old Dec 15, 2006 | 09:07 PM
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Originally Posted by 93 4mula
I think Im going to order these sets off ebay. They make a breather that is double o ringed so it wont leak and then you can just pull the breather cap out to fill with oil. But then Ill still need to drill a hole for the pcv line right? Is the pcv even needed?
with the breather, no PCV air tube is needed(the valve is mounted in the intake)
Old Dec 16, 2006 | 02:38 AM
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So the pcv pipe that runs to the intake is pretty much just a ventalation? So the breather will take its place so I wont need it at all anymore? Could I just put like a pipe plug in the intake instead of that barbed fitting the hose hooked to?
Old Dec 16, 2006 | 11:05 AM
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I saw some pics of the Canton covers, very nice, kinda pricey though
Old Dec 16, 2006 | 02:07 PM
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Originally Posted by Projectz28
Fred, hes looking for a nice set without the notch...

The Cantons are also a good choice but they are notched...
My error..... read it too fast.

Apologies.
Old Dec 16, 2006 | 02:10 PM
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Originally Posted by 93 4mula
So the pcv pipe that runs to the intake is pretty much just a ventalation? So the breather will take its place so I wont need it at all anymore? Could I just put like a pipe plug in the intake instead of that barbed fitting the hose hooked to?
The line from the throttle body to the valve cover provides the filtered fresh air that the PCV valve vacuum pulls through the crankcase. If you delete the line, you can plug up the hole if you add a breather somewhere else. Works fine on the speed-density 93's, but creates the equivalent of a small vacuum leak on the MAF engines.
Old Dec 16, 2006 | 06:31 PM
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Sweet so Ill be good to just delete that whole line and cap it off. Do I need to plug the fitting off at the intake or does it matter?
Old Dec 17, 2006 | 07:20 AM
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Originally Posted by 93 4mula
Sweet so Ill be good to just delete that whole line and cap it off. Do I need to plug the fitting off at the intake or does it matter?
yea, it will need to be plugged



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