[DeTomaso] Erratic firing

Richard Greenblum pantera at austin.rr.com
Sun Dec 29 15:21:28 EST 2013


All,

Rebuilt the Holley because it bucked when under load, otherwise ran great.  Before putting it back on, welded up the door panel holes in the right door because they were stupidly enlarged by the shop that painted the car.  Put the carb back on and it wouldn't run for longer than a few seconds before losing RPM and misfiring and back firing, then dying.  Assumed it was a bad rebuild.  Put a brand new carb on, same symptoms.

It also seemed to gain temp from cold very quickly.  I turned on the fans (they're manually switched).  The engine immediately backfired twice, so I turned off the fans and killed the motor.

In between the flat, misfiring, and rough running, it ran smoothly.

I forgot to disconnect the battery before welding on the door, then figured (hoped) the few spot welds wouldn't do what Jack has warned us about.  The box is a Mallory HyFire, and it's been on the car for a long time.

Suggestions welcomed.

I thought I was going to finally get the car back on the road...

Richard
Austin, TX

Sent from my iPhone

> On Dec 29, 2013, at 11:26, "Stephen Nelson" <steve at snclocks.com> wrote:
> 
> Did some of the Panteras come with 2 bolt mains?
> 
> Stephen Nelson
> 
> 
> 
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