Anyone Use Precision Gears?
Thread Starter
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Senior User
Joined: Jan 2005
Posts: 205
Likes: 0
From: Tucson
Anyone Use Precision Gears?
I am looking at buying gears for my SD from Precision Gear. I want to go with 4.56's but it looks like all they have is <TABLE cellSpacing=0 cellPadding=0 width="100%" border=0><TBODY><TR class=sitetext><TD bgColor=#dfdfdf height=18>4.55
</TD><TD bgColor=#dfdfdf>41-9
</TD><TD vAlign=center bgColor=#dfdfdf>F10/455L
</TD></TR></TBODY></TABLE>
For the Rear gears, and
<TABLE cellSpacing=0 cellPadding=0 width="100%" border=0><TBODY><TR class=sitetext bgColor=#ffffff><TD height=18>4.56
</TD><TD>41-9
</TD><TD>50D/456
</TD></TR></TBODY></TABLE>
For the Front. The 1st number is the Ratio, 2nd is # of teeth and 3rd is Part #.
My question is, this looks pretty simple they both have the same number of teeth. but why is the ratio different? Is having the different ratio ok?
Another question is I have the 10.50 Rear and the Rear gears here are 10.25 do I just get 10.25 bearings and be done, will my diff work?
</TD><TD bgColor=#dfdfdf>
</TD><TD vAlign=center bgColor=#dfdfdf>
</TD></TR></TBODY></TABLE>
For the Rear gears, and
<TABLE cellSpacing=0 cellPadding=0 width="100%" border=0><TBODY><TR class=sitetext bgColor=#ffffff><TD height=18>
</TD><TD>
</TD><TD>
</TD></TR></TBODY></TABLE>
For the Front. The 1st number is the Ratio, 2nd is # of teeth and 3rd is Part #.
My question is, this looks pretty simple they both have the same number of teeth. but why is the ratio different? Is having the different ratio ok?
Another question is I have the 10.50 Rear and the Rear gears here are 10.25 do I just get 10.25 bearings and be done, will my diff work?
Elder User
Joined: Jul 2003
Posts: 979
Likes: 0
From: SoCali!!
Flyboy,
The gears are actually the same ratio, for all intents and purposes. Some manufacturers actually have different ratios (slightly, i.e. 4.10/4.11) for different differentials. They work perfectly together. You didn't say what year your truck was, and Gas/Diesel, and what current ratio (3.73/4.10/4.30, etc.) Do some more research on gearsets. Precision is definitely not the first choice I would make, and I have used them in the past.
Tim
The gears are actually the same ratio, for all intents and purposes. Some manufacturers actually have different ratios (slightly, i.e. 4.10/4.11) for different differentials. They work perfectly together. You didn't say what year your truck was, and Gas/Diesel, and what current ratio (3.73/4.10/4.30, etc.) Do some more research on gearsets. Precision is definitely not the first choice I would make, and I have used them in the past.
Tim
