[Diy_efi] Hesitation

[Royce Anagnostou]

yes it's supposed to be hot. It's electronics in a sealed metal box. The 
ECU case is designed to be a heat sink so it will get quite hot, while 
in operation.

Scott Scott wrote:
> I just put a TBI setup from a 1991 Silverado onto a
> 1969 Mustang with a 302 (2bbl).  It runs well, idles
> smoothly, but I have a couple of issues.  
>
> 1?It has some hesitation on acceleration.  Not when I
> rev it in the garage, but when its in gear.  Timing is
> currently set at 10 degrees BTDC (base timing), I?m
> thinking of adding a little more advance to it.  Any
> other ideas?  It actually stalls out sometimes when I
> try to make a fast getaway.  
>
> 2?I put the ECU under the dash.  I reached in and put
> my hand on the box  after I had been driving a while,
> and it was VERY hot to the touch.  I almost couldn?t
> hold on to it.  Is this a normal operating condition
> of the GM ECU?   
>
> Any tips are appreciated! 
>
>
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