Hi Steve. Bob Palmer sent me this email address for a company that
specializes in trans. Good web site, and they may be able to help. The
site is http://www.gearzone.net/
They have a kit for supporting the 5th gear, because is has a weak
bearing support. Don't know if this is your problem. Worth a call.
On my T-5 from a 1990 Mustang, the damper piece you spoke of had to cut
off to clear the trans support/mount. I don't have any noise though, so
can't help on that issue.
Good luck and let us know what happens.
Larry
SJC Worldwide wrote:
>
> Hello Everyone:
> Thanks for all the suggestions on my dissapeared windshield washer line.
> The consnesus is to pull the hose all the way back into the passenger
> compartment, take a piece of wire or coat hanger, feed it through the
> holes in the passenger compartment and on the firewall, attach the end
> of the washer line to the wire and pull it through. I'll be attempting
> this in the morning and will report the results back to the list.
>
> Here's a transmission question for the list. I have my new motor and 5
> speed (rebuilt) transmission installed. 5th speed is great going down
> the freeway at 70 at 2000-2100 RPM. There's plenty of torque to
> accelerate way up beyond that in 5th, for normal passing, with 4th
> reserved for embarrasing the lesser cars (everything other than
> Sunbeams) on the road. My bliss has been somewhat interrupted, though,
> by a noise and I need some more advice.
>
> In 5th, while under a load (pedal on the gas), there is a rythmic
> rrrrr.......rrrrrr........rrrrrr.......rrrrr noise. The noise runs for
> three seconds or so, takes a second or so break, runs three seconds or
> so, takes a second brake, etc. etc. It is exactly speed sensitive. At
> slower speeds it's not as fast or as loud and as speed increases, the
> intervals between the noise shorten and the volume (vibration??)
> increases. This is not a very loud noise or buzz, but now that the car
> is so relatively quiet at speed with the low RPMs, its definitely there.
> When I take my foot off the gas and coast, the noise instantly
> dissapears. Pedal down again, and the noise instantly returns. This only
> happens in 5th, not any other gear.
>
> I mentioned this to the shop that did my installation and they said they
> think the transmission needs a balance weight or "damper" (it's a Ford
> Mustang case with a Chevy S-10 tailhousing), that they've heard of this
> happening. (Maybe I'm being punished by Lord Rootes for combining Ford
> and Chevy parts!). The tailhousing has an extension piece directly below
> it that has a hole drilled through it. My mechanics say this is where a
> sound or vibration damper would go(a stand alone piece with rubber to
> absorb vibration). However, the transmission shop that built the unit
> says that this peice is used for a "torque arm", also intended to stop
> harmonic noises (?) (from the trans to the rear axle) on Chevy
> trucks?????. They showed me a later style Chevy tailhousing that has
> four bolt holes on the body itself, not below, (that mine doesn't have)
> that they say are for a damper as I described. However, the
> transmission shop manager who took a ride in the Tiger today says that
> he's sold hundreds of hybred transmissions and this is a new one on him,
> that he's never had this complaint before. That being said, he
> definitley hears the noise as I do and says he thinks it's possible that
> either the 5th gear in my rebuilt trans is defective, or the shaft it
> rides on might have a slight defect or bend. He'll be happy to fix it
> or exchange it if I want if I determine that's the case.I sure hope it
> isn't.
>
> I hope that instead of having to pull the transmission again that I've
> got a drive shaft that's out of balance (this was custom made by a drive
> line shop) , or the trans. is "vibrating" and there's an external
> solution, or something like that. Has anyone else experienced anything
> like this? How do you check for where the vibration or noise is coming
> from? I was thinking maybe a dyno shop would be a good candidate since
> the car could be run in place at "speed". Is there a dyno shop in the
> San Fernando Valley?
>
> I'll stop asking questions now.
>
> Thanks in advance for your help.
>
> Steve Sage
> 67 Tiger
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