" repeated full pedal to the metal runs"
I suggest you continue this endlessly to make absolutely sure that's what the
problem is!
;-)
Derrick
----- Original Message -----
From: Sage <ssage@socal.rr.com>
Date: Sunday, August 31, 2003 2:50 pm
Subject: The Noise Problem Is Solved!
> Thanks to all the great suggestions from the list about what my weird
> noise was on hard acceleration only. It had sounded like it was coming
> from under the passenger floorboard, and sometimes toward the back of
> the car, sometimes more from the front.
>
> I should have figured this out earlier, but the cause of the noise
> turned out to be the Tiger's water bottle bracket (the piece welded to
> the engine compartment panel in the front). It's amazing how that noise
> at no time seemed like it was coming from the engine compartment.The
> motor mounts must be cracked or sagging since it turns out that under
> full acceleration, with the engine torquing to the right, my A/C
> compressor pulley (which is hung from the old stock generator bracket
> and to the engine) was just making contact with the edge of the water
> bottle bracket. Under close inspection, two groves were worn into the
> bracket, exactly lining up with the compressor pulley edges.
>
> As a temporary fix before I get the motor mounts replaced I used a
> Dremel grinder to take off about 1/3" at the end of the water bottle
> bracket. The noise is completely gone now even after repeated full pedal
> to the metal runs. Now that I've gotten rid of my pinging (had to retard
> the timing more than I like, though) and the bracket noise, and can put
> the pedal all the way down again without worrying, all I need is about
> 100 more horepower to make me happy.
>
> Steve Sage
> Tiger MK1A
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