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HEADS UP DISPLAY. A DIGITAL PROJECTED DISPLAY ON INSIDE OF WINDSHIELD CONTAINING VEHICLE INFO SUCH AS SPEED, ENGINE TEMP, RPM, ETC. FOR DRIVER INFOR...
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joeld Fuel Pressure Regulator -L98
Guru
Lawrenceville Ga
702 Posts
Member since:
2007/12/30 0:00



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Just passing along some info on this item.
My 89 started having a slight stumble on start up a few days ago, checked fuel pressure and it was low at 36psi. Also the pressure would drop to zero the instant the pump stopped running. This is what was causing the stumble.
There has been alot of problems with different brand name regulators from the big box stores, mostly complaints about not holding pressure. The main problem is the "button" that seals inside the regulator housing. The machine finish on the button is done poorly leaving deep scratches on the face of this button. I have seen many different brands with this condition.
I ordered a AC Delco 214-2156 and was surprised to see a much better machine finish. It wasn't perfect but better than the other brands I had looked at.
Even with the better finish I decided to polish it some myself. Spent about 45 min with 1500 grit then 2000 grit and got a really good smooth finish. Installed it,turned key on, pressure built to 42 psi instantly, and held there for 20 min before starting a slow decline. No more stumble!!

Thought this might help some one with a similar problem

Joel
Posted on: 2018/3/13 23:33
_________________
1989 Coupe,L98 automatic
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TommyT-Bone Re: Fuel Pressure Regulator -L98
Chair-man of the bored
Homestead USA
31214 Posts
Member since:
2007/12/10 0:00



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Thanks for the tip, Joel.
Posted on: 2018/3/15 1:24
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Matatk Re: Fuel Pressure Regulator -L98
Webmaster
SW Chicago Burbs
21659 Posts
Member since:
2008/1/7 0:00



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Good tip, Joel. I replaced my regulator a few years back with a random brand (don't recall the name) and it ruptured within a year. I ended up replacing it with a regulator from TPIS. It's been running fine since then.
Posted on: 2018/3/16 15:22
_________________

1989 Corvette...custom 383 stroker, superrammed and cammed, built trans with PeteK 2800 stall. Mustang dyno results: 336 rwhp / 419 rwtq.
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