noob question about transmission - The 1947 - Present Chevrolet & GMC Truck Message Board Network

gouldie · 10-20-2006, 01:03 PM

i'm picking up a 67 c10 tomorrow, it had the L6 and 3 on the tree. is the transmission synchronized? do i need to double clutch?

Brad · 10-20-2006, 01:25 PM

Its probably a Muncie non-syncro 1st gear unless it's been replaced. I had one in mine and hated it. It's for sale if anyone wants it! I replaced it with the Saginaw version and the truck is sooooooo much more fun to drive. There have been discussions about double-clutching here before, just do a search.

**Yukon Jack** · 10-20-2006, 03:27 PM

The three on the tree in my 69 was synchronized. Pretty sure the 67 is too - but not sure.

braggwood · 10-20-2006, 04:36 PM

I have had several model vehicles with a three on the tree, never had a need to double clutch unless you just want too. Besides, a little "if you can't find them ,grind them" won't hurt anything either. Good luck!!!!!!!!

crazy longhorn · 10-20-2006, 07:02 PM

Somewhere along about 68/69 , the saginaw was standard equippment.....before that, the sb equipped trucks got the saginaw(full syncro, & id by a 7 bolt side cover). The 6cyl trucks before this time were standard equipped with the old "2 pin " Muncie. This trans is id by a 4 bolt side cover.....& does go CRUNCH if you dont double clutch before shifting down to low!

L

10-20-2006, 01:03 PM	#1
gouldie Registered User Join Date: Oct 2006 Location: daytona beach Posts: 101	noob question about transmission i'm picking up a 67 c10 tomorrow, it had the L6 and 3 on the tree. is the transmission synchronized? do i need to double clutch?

10-20-2006, 01:25 PM	#2
Brad Out of the carpool lane. Join Date: Jan 2000 Location: Clark Co, WA Posts: 5,672	Re: noob question about transmission Its probably a Muncie non-syncro 1st gear unless it's been replaced. I had one in mine and hated it. It's for sale if anyone wants it! I replaced it with the Saginaw version and the truck is sooooooo much more fun to drive. There have been discussions about double-clutching here before, just do a search. __________________ 1968 C-10 SWB, 5.7 Vortec/700R4/3.73 posi, Torch Red 1968 Camaro, 250/Powerglide, all original (No, I'm not gonna drop a 350 in it!...Jeez!) 2000 Honda VFR in the faster yellow! 2008 Husqvarna TE-610 1967 C-10 SWB 'Six Appeal'-Gone but not forgotten...

10-20-2006, 03:27 PM	#3
Yukon Jack Post Whore Join Date: Feb 2000 Location: Rose Hill, KS, USA Posts: 12,686	Re: noob question about transmission The three on the tree in my 69 was synchronized. Pretty sure the 67 is too - but not sure. __________________ 1970 Blazer with a 400 sbc and 4" lift 1980 Pontiac Trans Am, 455 Oldsmobile 2012 Kawasaki Concours 14

10-20-2006, 04:36 PM	#4
braggwood Registered User Join Date: Apr 2006 Location: Grandview WV Posts: 41	Re: noob question about transmission I have had several model vehicles with a three on the tree, never had a need to double clutch unless you just want too. Besides, a little "if you can't find them ,grind them" won't hurt anything either. Good luck!!!!!!!!

10-20-2006, 07:02 PM	#5
crazy longhorn Fabricate till you "puke" Join Date: Jun 2002 Location: Ill Posts: 9,402	Re: noob question about transmission Somewhere along about 68/69 , the saginaw was standard equippment.....before that, the sb equipped trucks got the saginaw(full syncro, & id by a 7 bolt side cover). The 6cyl trucks before this time were standard equipped with the old "2 pin " Muncie. This trans is id by a 4 bolt side cover.....& does go CRUNCH if you dont double clutch before shifting down to low! L __________________ 69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears....



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