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Old 07-23-2007   #1 (permalink)
fastponyboy is offline Rookie

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Default bad carburator gasket///

I was wondering if anyone can tell me how to create some vacuum to relieve some crankcase pressure from my car..
I tried to run a Tee brake booster, to my valve cover and it worked for a while, but my brake light would come on at high rpm's, and the car would loose all power at the same time. Later, I found a bad gasket on my carburator, so I changed it out, and I was wondering if the bad gasket on the carburator created the vacuum loss at high rpm's or if the pressure from that added hose caused that.
maybe someone else has a different idea of w hat the problem may be.
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(Gloria[/b])351w steel crank, stroked to a 393 stock rods, probe forged pistons, arp bolts, Pro Comp cylinder heads, victor jr.intake, pro-form 750 carb, comp cam 2700 to 6800 rpms, MSD distributor and 6al spark box, c-4 full manual valve body transmission with 3500 stall converter stock rear end with 4.10 gears and trick rear springs.
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Old 07-24-2007   #2 (permalink)
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Default crank case pressure

i know of a lot of guys running a pcv valve from the carb to a valve cover. you could also (if its not a street car) try an evac system with hoses from the valve covers to the headers
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Old 07-25-2007   #3 (permalink)
fastponyboy is offline Rookie

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Default

nice idea, I was told that I would have to put a piece of pipe of some sort into the header facing the rear of the car so the exhuast would rush by it and create vacuum is this true? because I think that is what I would like to do..
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(Gloria[/b])351w steel crank, stroked to a 393 stock rods, probe forged pistons, arp bolts, Pro Comp cylinder heads, victor jr.intake, pro-form 750 carb, comp cam 2700 to 6800 rpms, MSD distributor and 6al spark box, c-4 full manual valve body transmission with 3500 stall converter stock rear end with 4.10 gears and trick rear springs.
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Old 07-25-2007   #4 (permalink)
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Default crankcase evac system

summit or jegs sells the kits cheap or you could buy one from your speed shop if you have one close. i have two mustang bracket cars and thats what i am using. there is 1/2" nipples (short pieces of pipe) cut on 45 degree angles and they are welded into the exhaust after the primaries merge. there are check valves that screw onto the pipe so exhaust cant blow into the valve covers.the only thing the kit does not have is the #12 hose to run from the valve covers to the check valves. summit # sum-120108 49.99
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Old 07-25-2007   #5 (permalink)
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hey, thanks alot blueracecar I'm gonna get on that right away! I appreciate the feedback...
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(Gloria[/b])351w steel crank, stroked to a 393 stock rods, probe forged pistons, arp bolts, Pro Comp cylinder heads, victor jr.intake, pro-form 750 carb, comp cam 2700 to 6800 rpms, MSD distributor and 6al spark box, c-4 full manual valve body transmission with 3500 stall converter stock rear end with 4.10 gears and trick rear springs.
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