Recent content by jays99burb

J
P0300 but seeing cylinder 4 misfire

It's been a while since I've followed up on this. Fuel pressure 58 key on engine off, 55 truck running. Doesn't drop off after turning the key off. Compression test, over 160psi on all cylinders except #4 that one didn't even give me a reading. Sent a bore scope camera in there, piston looks...
- jays99burb
- Post #2
- May 1, 2024
- Forum: Engine Performance + Maintenance
J
Been lurking around trying to find answers. Here's my introduction.

Its got the 305 h.o with the quadrabog carb Getting ready to build a 4 bolt main 350 for it though.
- jays99burb
- Post #5
- Apr 4, 2024
- Forum: Introduction
J
P0300 but seeing cylinder 4 misfire

Been chasing this for too long. Started as #4 mis then went to a multiple cylinder misfire. Following list is items I have replaced to date. Spider injection, upgraded Cap, wires, rotor, plugs and cam position sensor ( Plugs are gapped at .45) Fuel filter Tps MAF Plenum gaskets, was in there...
- jays99burb
- Thread
- Apr 1, 2024
- Replies: 1
- Forum: Engine Performance + Maintenance
J
Been lurking around trying to find answers. Here's my introduction.

I have a 99 suburban 5.7 with 168k on it. Pretty decent for being in northeast NY haha. Lover of older vehicles, prior to the Burban I had a 95 Tahoe tbi, drove it till the frame was ready to snap. Attached is a picture of the Burban the day I towed my 83 z28 project home.
- jays99burb
- Thread
- Apr 1, 2024
- Replies: 4
- Forum: Introduction