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06-06-2019, 12:05 PM #31Xtreme Member
- Status
- Offline
- Join Date
- Mar 2015
- Name
- Mike Storm "Stormy"
- Vehicle
- 1995 Trans Am
- Location
- Washington
- Posts
- 1,020
- Blog Entries
- 1
Have you tried checking to see if one or more injectors are stuck open? Someone told me pull the injectors out and turn on the key,don't start it just check to see if they are leaking.they will pressureize but shouldn't show any leakage.
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I guess I should read ahead didn't see you had the rail off.Last edited by Stormyweather; 06-06-2019 at 12:12 PM.
1995 Trans Am - CAI - TB coolant bypass - Headers & Performance Muffler - Poly mounts - stock LT1/A4 - 13.3 1/4 - 1.9 60 foot , driven daily.
2008 C6 Corvette LS3 Snake charmer Ram Air intake. 6 Speed Switchable mild to wild exhaust.
2002 Silverado LT Extd Cab Z71 5.3 A4 Composite Bed Stock
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06-06-2019, 12:20 PM #32LTx Guru
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- Offline
- Join Date
- Apr 2013
- Name
- Fred
- Vehicle
- 1994 Formula - SOLD
- Location
- Central NJ
- Posts
- 2,283
If the injectors are leaking the pressure will bleed down rapidly on pump shutoff. I'm surprised he didn’t have pressure leakdown with the leaking fuel pressure regulator.
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06-06-2019, 01:39 PM #33Xtreme Member
- Status
- Offline
- Join Date
- Mar 2015
- Name
- Mike Storm "Stormy"
- Vehicle
- 1995 Trans Am
- Location
- Washington
- Posts
- 1,020
- Blog Entries
- 1
Yeah I sure he found most of the problem.
Sent from my HP Pro Slate 8 using Tapatalk
1995 Trans Am - CAI - TB coolant bypass - Headers & Performance Muffler - Poly mounts - stock LT1/A4 - 13.3 1/4 - 1.9 60 foot , driven daily.
2008 C6 Corvette LS3 Snake charmer Ram Air intake. 6 Speed Switchable mild to wild exhaust.
2002 Silverado LT Extd Cab Z71 5.3 A4 Composite Bed Stock
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06-07-2019, 06:12 PM #34LTX Member
- Status
- Offline
- Join Date
- Mar 2019
- Name
- Danno
- Vehicle
- 1996 Firebird Formula
- Location
- South Dakota
- Posts
- 28
I was surprised that the fuel pressure didn't bleed down as well. I took the Opti off today. Found a crack in the cap, oil inside the distributor, water pump shaft seal leaking, and the opti seal leaking. Found a set of 36 lb. Bosch injectors, that are used on 3800 supercharged cars, for a nice price. Solomon cut me a deal on getting the computer retuned for the injectors. Who ever replaced the opti, lock tited the rotor screws and put A LOT of silicone on the cap seal. There is also a lot of wobble in the distributor shaft.
20190607_144230.jpg20190607_144253.jpg20190607_144332.jpg20190607_144431.jpg20190607_160223.jpg20190607_155723.jpg1996 Firebird Formula (A Working Progress )
2002 Camaro Z/28 M6 (Sold but not Forgotten!)
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06-07-2019, 06:40 PM #35LTX Master
- Status
- Offline
- Join Date
- Aug 2013
- Name
- JB
- Vehicle
- 1994 Camaro Z28 1996 Camaro SS
- Location
- Atoka,TN
- Posts
- 531
I'm guilty of loctite on my rotor screws. I had a rotor spin off before.
Sent from my SM-G955U using TapatalkSame as everybody else...350 small block, double hump heads, 3/4 cam
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06-08-2019, 03:17 PM #36LTX Member
- Status
- Offline
- Join Date
- Mar 2019
- Name
- Danno
- Vehicle
- 1996 Firebird Formula
- Location
- South Dakota
- Posts
- 28
Looks to me, when they put the cap back on they over tightened the cap bolt and cracked it. Put it back on anyway, then sold it shortly after. Then I ended up with this giant mess of a car, lol.
I pulled the seals out today, and cleaned up the timing cover. When I pulled the water pump shaft seal out, I noticed in the race someone has either used a self tapping screw or a drill bit to pull the seal in the past. They drilled trough the seal and into the race. They didn't go though it or damage the pump drive shaft, but there is a small and deeper divots in it. Hopefully it will still seal since the shaft isn't damaged. The old seals rubber were both hard as a rock.
20190609_135602.jpgLast edited by Seawolf18; 06-09-2019 at 02:40 PM.
1996 Firebird Formula (A Working Progress )
2002 Camaro Z/28 M6 (Sold but not Forgotten!)
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