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09-02-2016
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#1 |
 Join Date: Mar 2013
Location: Roswell, GA
Posts: 234
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90 degree adaptor for Fuel Pressure Test Hose
Trying to get my hose on the fuel rail schrader valve is a PITA. I was wondering if anyone knows of a 90 degree fitting that will screw into the test hose and over the fuel rail valve? All I can find are 90 degree fittings with a quick disconnect on the test hose side.
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1995 ZR1 #159 Ported,Corsa,4.10 Rear, Dual Disc RAM Clutch, Alum Flywheel, Haibeck Chip, ZFDoc Plates, Relocated Battery 400 rwhp 1992 ZR1 #280 Ported, Locked Secondary's, Flowmaster Exhaust, Haibeck Chip, 375rwhp 1996 Collectors LT4 (Stock) 1972 Convertible 434 Small Block 572 rwhp |
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09-02-2016
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#2 |
 Join Date: Jan 2015
Location: Marietta, GA USA
Posts: 1,160
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Re: 90 degree adaptor for Fuel Pressure Test Hose
This is from memory so may not be accurate - I think it is a standard thread (something like 3/8-24 or AN-6. I had a fitting that fit, and I was able to cobble together a pressure tester. I think I temporarily removed the inner Schrader valve during the test.
I'll probably be around on Saturday if you want me to check to see if I have something you can borrow. |
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09-02-2016
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#3 |
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Join Date: Mar 2013
Location: Roswell, GA
Posts: 234
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Re: 90 degree adaptor for Fuel Pressure Test Hose
I was looking for an adapter to keep on hand. I guess if the valve is removed for testing, that would open up some possibilities. I have of bunch of misc. fittings I will try. Thanks for the idea!
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1995 ZR1 #159 Ported,Corsa,4.10 Rear, Dual Disc RAM Clutch, Alum Flywheel, Haibeck Chip, ZFDoc Plates, Relocated Battery 400 rwhp 1992 ZR1 #280 Ported, Locked Secondary's, Flowmaster Exhaust, Haibeck Chip, 375rwhp 1996 Collectors LT4 (Stock) 1972 Convertible 434 Small Block 572 rwhp |
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09-02-2016
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#4 |
Join Date: Feb 2012
Location: Ledyard,CT
Posts: 8,253
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Re: 90 degree adaptor for Fuel Pressure Test Hose
Replacement Bicycle Pump Head?
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09-02-2016
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#5 |
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Join Date: Mar 2013
Location: Roswell, GA
Posts: 234
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Re: 90 degree adaptor for Fuel Pressure Test Hose
Thread size is not big enough.
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1995 ZR1 #159 Ported,Corsa,4.10 Rear, Dual Disc RAM Clutch, Alum Flywheel, Haibeck Chip, ZFDoc Plates, Relocated Battery 400 rwhp 1992 ZR1 #280 Ported, Locked Secondary's, Flowmaster Exhaust, Haibeck Chip, 375rwhp 1996 Collectors LT4 (Stock) 1972 Convertible 434 Small Block 572 rwhp |
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09-02-2016
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#6 |
 
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,194
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Re: 90 degree adaptor for Fuel Pressure Test Hose
check nitrous fittings for fuel rails.....or speed shop
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LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 |
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09-02-2016
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#7 |
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Join Date: Oct 2004
Posts: 1,890
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Re: 90 degree adaptor for Fuel Pressure Test Hose
GM & standard Schrader I'm quite sure is .305 - 32 TPI (sometimes .302 is mentioned also and that I believe comes from a Metric conversion).
BUT this ain't correct for FI Schrader external. I believe the terminology for the FI Schrader is just "large Schrader". Last edited by WVZR-1; 09-03-2016 at 03:16 AM. |
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09-02-2016
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#8 | |
 
Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,394
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Re: 90 degree adaptor for Fuel Pressure Test Hose
Quote:
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Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed. |
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09-02-2016
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#9 | ||
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,169
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Re: 90 degree adaptor for Fuel Pressure Test Hose
Quote:
Quote:
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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09-02-2016
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#10 | ||
 
Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,797
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Re: 90 degree adaptor for Fuel Pressure Test Hose
Quote:
Quote:
I was going to try the AC connectors 
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Left Clickable links -Solutions- LT5 Modifications/Rebuild Tricks Low Mileage ZR-1 Restoration 1990 Corvette (L98) Modifications LT5 Eliminated Systems LT5 Added Systems LT5/ZR-1 Fluids 1995 LT5 SPECIFIC TOP END REBUILD TRICKS Last edited by Dynomite; 09-02-2016 at 11:59 PM. |
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