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Old 07-09-2015, 12:33 AM   #34
'68OrangeSunshine
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Join Date: Feb 2002
Location: Tucson, AZ USA
Posts: 7,054
Re: Granny Gears Too Low..Solutions ?

Quote:
Originally Posted by benbloom View Post
'68OrangeSunshine- i usually start in 2nd, how do i figure out what trans i have? it is very noisy, the thing is an absolute gear. il try to get the vin number on here asap!
thanks everyone for the help, i figure il probably just live with the very low gears, and no, its not that I'm just not used to the old trucks, driving my friends k10s with the automatic tranny there is a very noticeable difference. again, thanks everyone, il get the vin asap
Both the SM 420 and the SM 465 have the compound low 1st gears.
The only way to tell 'em apart is by the Reverse Gear position:
420-Reverse is toward you and back [left of center of #2 on the gearshift pattern]
465- Reverse is away from you and back, off center from #4.
1-2-3-4 Are in standard H pattern.
You might also look on the SPID for a transmission RPO code. It may be listed as "SynchroMesh Transmission'', [Which they both are.]
<<M20 4 Speed>> may be a 465. This is all from memory.
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Last edited by '68OrangeSunshine; 07-09-2015 at 03:21 AM.
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