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09-14-2008, 03:46 PM #1
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Where did you find a 5/8 inch vacuum cap?
I'm trying to finish up with all the details from my header swap and this is really all I have left. Everywhere I go the biggest size they have is 3/8. I need one that is 5/8 for the outlet on the driver side of the intake manifold.
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09-14-2008, 07:43 PM #2
might want to check some diesel shops. or just remove the fitting and plug it?
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09-14-2008, 07:50 PM #3
BrianEsserGuest
Most parts stores have them. Though they are marked as "Waterpump bypass block off plugs".
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09-14-2008, 09:24 PM #4
The only thing I can think of that big is the brake booster vacuum. Are you wanting to plug that?
1995 Z28 SOLD M6, 330 rwhp/333 rwtq - Moroso CAI, 58mm TB, LT4 HOT kit, 30lb SVOs, EWP, MAC mids, stock catback
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09-15-2008, 07:41 PM #5
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I don't know why I wrote what I did. I meant the air intake tube.
1996 Trans Am- bolt ons
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09-15-2008, 09:40 PM #6
Dorman/Help makes a multi pack of larger vac. caps but call them radiator bypass caps.
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