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> 96 Gsx Keeps Losing Compression, 2G GSX valves keep sticking open
pwee05
post Jun 5 2008, 09:57 PM
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one problem solved :thumbsup:

i'm very curious to see what is up with the head itself
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slamedeclipse96
post Jun 10 2008, 12:07 PM
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ok well my mechinest called today and said he looked everything and he said the springs were alittle weake to him on a new motor, they had 75lbs of spring pressure. does anyone know a round a bout on what they should be, i have a completly brand new rebuild and mabey my oil pressure is over powering the springs and holding the valves open?!?!?! but i guess ill get a set of BC springs and retainers and see what happenes
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pwee05
post Jun 10 2008, 03:48 PM
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I don't have my book on me but I will tell you when I get home unless someone beats me too it :thumbsup:
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slamedeclipse96
post Jun 10 2008, 04:29 PM
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ok thanx cause im hopeing thats it cause im about outa options and i just want my car to run
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pwee05
post Jun 10 2008, 07:43 PM
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this should help


valve spring free length should be: 1.85in.
valve spring load should be 54lbs at installed height of 1.57in.

What height was he measuring the 74lbs?
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jonbonazza
post Jun 10 2008, 08:16 PM
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QUOTE(pwee05 @ Jun 10 2008, 08:43 PM)
this should help
valve spring free length should be: 1.85in.
valve spring load should be 54lbs at installed height of 1.57in. 

What height was he measuring the 74lbs?
[right][snapback]172215[/snapback][/right]


I was gonna say I could have sworn it was around 55 lbs.
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slamedeclipse96
post Jun 13 2008, 03:07 PM
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he said there 75lbs when the valvs are all the way open and he said then the valves go to close its not enought pressure to bleed the lifters down and its just holding the valve open
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militaryman108
post Jun 13 2008, 04:46 PM
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QUOTE(slamedeclipse96 @ Jun 13 2008, 03:07 PM)
he said there 75lbs when the valvs are all the way open and he said then the valves go to close its not enought pressure to bleed the lifters  down and its just holding the valve open
[right][snapback]173053[/snapback][/right]


Thats really strange bc 75 lbs is more than enough...
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slamedeclipse96
post Jun 14 2008, 05:32 PM
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thats what i thought but he said with the balenve shaft eliminator the pressure is so high its not enough pressure, my oil pressure is 95 psi and 75lbs out of the springs isnt goin to colapse a lifyer with 95 lbs of pressure in them
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pwee05
post Jun 14 2008, 08:46 PM
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Drives: 1996 Talon AWD. Built, but no longer drives: 1997 mitsubishi eclipse RS; 1990 Talon AWD; 1995 Talon AWD, 1997 Talon AWD. Seems like a pattern
whoa your oil pressure shoulnd't be that high ever! There is something going on inside that is causing restriction or a manlfunctioning bleed valve. is your oil filter housing in bad shape, do you have an aftermarket oil cooler?

he needs to check the "installed" height pressure at the spring, not the "open" pressure.
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slamedeclipse96
post Jun 28 2008, 07:31 PM
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well i got my head back with my new brian crower bc0100 springs and retainers and it runs great. sounds sick with full exhaust with the 70 trim turbo and stahe 3 cams but just to let eberyone know it was my springs were worn out and couldnt colaps the lifters. and the oil pressure is at 75 on start up and when warm its around 55 at idle but it runs great
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pwee05
post Jun 30 2008, 09:09 AM
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Drives: 1996 Talon AWD. Built, but no longer drives: 1997 mitsubishi eclipse RS; 1990 Talon AWD; 1995 Talon AWD, 1997 Talon AWD. Seems like a pattern
excellent, thanks for letting us know :thumbsup:
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