Anyone replaced the Gear in a Tach drive Distributor??
11-19-2001, 10:08 AM
#2
Race Director
Re: Anyone replaced the Gear in a Tach drive Distributor?? (Alwyn678)
Alwyn,
If your asking "is it`s easy to change" the answer is yes! As long as the gear on the shaft is still good. And you get ALL the little broken pieces.
...redvetracr
If your asking "is it`s easy to change" the answer is yes! As long as the gear on the shaft is still good. And you get ALL the little broken pieces.
...redvetracr
11-19-2001, 10:22 AM
#3
Le Mans Master
Re: Anyone replaced the Gear in a Tach drive Distributor?? (redvetracr)
Yup. What he said.
Plus-
In order to clean out the chips, it is best to remove the distributor and flush it out. Then you can closely examine the tach drive gear on the shaft. If it is chewed up, then you will need to buy a new main shaft. The main drive gear on the bottom is retained by a roll pin which you must punch out to remove the shaft. This is also a good time to check the housing bushings for clearance, and shim up the shaft end play to about .008 if it is sloppy. There are a lot of aftermarket parts for these distributors.
One of mine failed because it was moving in & out along its axis too much (excessive end play)- this caused a wobble which ultimately caused the gears to fail. It had plenty of lubrication. I bought the stainless coupler with needle bearings and a kit to install an "end play" limiter. It worked out perfect.
Plus-
In order to clean out the chips, it is best to remove the distributor and flush it out. Then you can closely examine the tach drive gear on the shaft. If it is chewed up, then you will need to buy a new main shaft. The main drive gear on the bottom is retained by a roll pin which you must punch out to remove the shaft. This is also a good time to check the housing bushings for clearance, and shim up the shaft end play to about .008 if it is sloppy. There are a lot of aftermarket parts for these distributors.
One of mine failed because it was moving in & out along its axis too much (excessive end play)- this caused a wobble which ultimately caused the gears to fail. It had plenty of lubrication. I bought the stainless coupler with needle bearings and a kit to install an "end play" limiter. It worked out perfect.
11-19-2001, 11:19 AM
#5
Burning Brakes
Member Since: Aug 2000
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Re: Anyone replaced the Gear in a Tach drive Distributor?? (Alwyn678)
Assuming you have verified that it's the distributor and not the cable, the parts to do a complete rebuild will run about $100 + shipping. Most of the catalog suppliers offer rebuilts from $189 to $250. It's not a difficult job, but if you're not confident about it, it's probably worth considering the rebuilt unit.
11-19-2001, 11:37 AM
#6
Team Owner
Thread Starter
Re: Anyone replaced the Gear in a Tach drive Distributor?? (JSB69)
iT IS THE DISTRIBUTOR...100 BUCKS ?? That seems a bit high to me...I just put in a new tach cable and when u spin the cable the tach moves...I just called the last detail..The gear is 19 bucks..Whew!!! I was worried for a second
[Modified by Alwyn678, 10:45 AM 11/19/2001]
[Modified by Alwyn678, 10:45 AM 11/19/2001]
11-19-2001, 11:42 AM
#7
Le Mans Master
Re: Anyone replaced the Gear in a Tach drive Distributor?? (Alwyn678)
Duh. Sometimes we overlook the obvious, eh? It wouldn't hurt to pull the cross gear to see what condition it is in. It's not adjustable- the coupler should bottom in the distributor when tight. I have come across a few that didn't due to thread problems, but most did.
