Fiberglass and vacuum leak - ZR-1 Net Registry Forums

Dime · 08-02-2011

Just took a look at a 90 ZR-1. Car looked great. The only thing that bothered me was there where a few cracks in the fiberglass and the owner said the vacuum pump comes on every 30 or so seconds. When I was looking at the car the pump only came on to prime it and it did not come on any afterwards. The car also had no hesitation from what I could tell.

Would if be possible to have the fiberglass damage redone, and how much of a problem might it be to have the potential leak taken care of?

Kevin · 08-02-2011

where is the fiberglass cracked? as for the vacuum system...get Haibeck to burn you a chip to make the car run on all 16 all the time and tie open the actuators.

Blue Flame Restorations · 08-02-2011

First, we need to determine how the glass was cracked. How hard it was hit and where was it hit. The cracks may be a result of being hit somewhere else on the body. Stress cracks from a hit somewhere else. SMC must be repaired correctly or it WILL bleed back through.

These cars do not crack by themselves. SMC is very strong.

08-02-2011	#1
Dime Join Date: Feb 2011 Location: Vicksburg, MS Posts: 135	Fiberglass and vacuum leak Just took a look at a 90 ZR-1. Car looked great. The only thing that bothered me was there where a few cracks in the fiberglass and the owner said the vacuum pump comes on every 30 or so seconds. When I was looking at the car the pump only came on to prime it and it did not come on any afterwards. The car also had no hesitation from what I could tell. Would if be possible to have the fiberglass damage redone, and how much of a problem might it be to have the potential leak taken care of?

08-02-2011	#2
Kevin Join Date: Jun 2005 Location: pittsburgh Posts: 4,632	Re: Fiberglass and vacuum leak where is the fiberglass cracked? as for the vacuum system...get Haibeck to burn you a chip to make the car run on all 16 all the time and tie open the actuators. __________________ It's not the car, it's the people - Doug Johnson 90 r/r "KEYS ON" nick named "T.L.B"

08-02-2011	#3
Blue Flame Restorations Join Date: Feb 2010 Location: Pendleton, IN Posts: 3,904	Re: Fiberglass and vacuum leak First, we need to determine how the glass was cracked. How hard it was hit and where was it hit. The cracks may be a result of being hit somewhere else on the body. Stress cracks from a hit somewhere else. SMC must be repaired correctly or it WILL bleed back through. These cars do not crack by themselves. SMC is very strong. __________________ 1988 KOH Prototype EX5023 sold 1990 ZR-1 #444 Convertible 1990 ZR-1 Black #966 1991 ZR-1 Quazar Blue #296 1957 Duntov SS Project