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Old December 27th, 2022, 02:55 PM
George Bongert George Bongert is offline
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Join Date: Jan 2013
Location: Oshkosh Wisconsin
Truck: Former owner Repowered by GMC 305 V-6, 1963 Chevy 30 Series SM420 Long Bed (9') Step/Fenderside
Posts: 210
Rep Power: 141
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Default Re: '66 1500 slipping out of second gear

Quote:
Originally Posted by Harleyq View Post
Merry Christmas folks, thank you for the I formation, I even know what a sm318 is now lol. I do believe it is a worn gear. It goes into gear just fine with no grinding, and if I baby it, it may stay in second but will feel the spot that is worn. Under load it has no chance of staying in gear. Brings me to my next question...where might I find a second gear for a sm420 4 sp, and any idea what it will set me back? So far I've been blessed and very fortunate in costs for parts. While not original the 350 v8 previous owner put in is in great shape. The only issue needing immediate attention other than tyranny is the heater fan screams like a banshee when first turned on. Took it out cleaned and oiled/wd40'ed and put back in...maybe time for a new one... thanks again for I fo and help.
Dave

Greetings, Dave!

You may very well be able to obtain the part(s) that you need from The Filling Station, LLC
E-mail: fssales@fillingstation.com They specialize in many older model GM Parts. Their phone numbers are;

800-841-6622 (direct line)
and
541-258-2114 (tech line)

Give them a call, and keep us posted. Don't forget to tell them that you need parts for a SM420 transmission!!
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