Need help with my 5.0

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11-18-2006, 01:05 AM

zajones08

Thread Starter

Join Date: Nov 2006

Posts: 3

Need help with my 5.0

i have a 88 mustang with a 5.0 and lately i did an engine rebuild with some bbk equal length headers, a comp cam, port and polished heads, and a cobra intake. we got it running but for some reason when it heats up it backfires through the intake and it sputters. any ideas to what the problem is would be appriciated. thanks

11-18-2006, 01:08 AM

PRO50SC

The Rogue Mod

Join Date: Feb 2006

Location: Maryland Sucka's!!

Posts: 21,918

RE: Need help with my 5.0

Timing off a tooth?

11-18-2006, 01:08 AM

86 5.0L

6th Gear Member

Join Date: Jul 2006

Location: San Diego, CA

Posts: 6,882

RE: Need help with my 5.0

did you set the timing correctly?

11-18-2006, 01:16 AM

zajones08

Thread Starter

Join Date: Nov 2006

Posts: 3

RE: Need help with my 5.0

how do you time a car with electronic ignition?

11-18-2006, 01:19 AM

PRO50SC

The Rogue Mod

Join Date: Feb 2006

Location: Maryland Sucka's!!

Posts: 21,918

RE: Need help with my 5.0

Same as any other, w/ a timing light.

11-18-2006, 01:28 AM

AdderMk2

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Posts: 22,376

RE: Need help with my 5.0

Quote:

ORIGINAL: PRO50SC

Quote:

ORIGINAL: zajones08

how do you time a car with electronic ignition?

Same as any other, w/ a timing light.

Lets start with the basics. remove your distibutor, line up cylinder 1 to TDC and then re-install the distributor so the rotor points to the cyl1 wire.

once you are sure that you have installed the distributor correctly, use a timing light to set your timing by rotating the distributor. Also be sure to remove the SPOUT connector (the little gray plug) that is attached to the distributor harness