newly rebuilt long block will fire but won't run

C

charlesd22

NAXJA Forum User

Location

Santa Barbara, CA

• Sep 28, 2003

• #1

I have an 85 xj with 2.8L Just put a new rebuilt long block in it. It will fire but it won't stay running. I have spark, and great compresion, anf the carb definitely shoots fuel. Can anyone help me?

OH YEAH, i DON'T WANT ANY OPINIONS THAT SAY ANY THING ABOUT "YOU SHOULD OF PUT A 4.0 IN THERE"

 

C

churky89

NAXJA Forum User

Location

Texas

• Sep 28, 2003

• #2

suggestion

Are you sure all vacumn line are hooked up correctly?
Timing set?
Loose distributor?
Plug wires on right?
Hope it turns out to be somthin simple.

 

H

HossHoffer

NAXJA Forum User

Location

Aurora, CO

• Sep 28, 2003

• #3

Float

Just for starters check your float level. The timing may be off also. Can you smell unburnt fuel?

 

W

WebEditor

NAXJA Forum User

• Sep 28, 2003

• #4

Fuel pressure... when I put in a new 2.8 in my old XJ I was flooding it and I had to put in a manual pressure regulator which allowed me to drop down the pressure.

Kejtar
P.S. You should have put in a 3.4 in it it's a drop in

 

C

charlesd22

NAXJA Forum User

Location

Santa Barbara, CA

• Sep 28, 2003

• #5

Timing is correct
Vaccum lines have been checked and rechecked

Iwill absolutely check the float and fuel pressure

thanks for quick replies guys

 

Matthew Currie

NAXJA Member #760

Location

Vermont, land of big clay

• Sep 28, 2003

• #6

Does the thing have a ballast resistor for the coil? If so, check that.