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Old 01-13-2007, 12:20 PM   #1
53lowdown
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5-speed for 69 C10?

I've searched and read what I can find about 5-speed swap into C10. Most discussions involve swapping a Camaro 5 speed using the Camaro's bellhousing. My 69 307/3-speed bellhousing has mounts to the frame on the bellhousing - the camaro bellhousing wouldn't have that. Is there a 5 speed that can swap in that would use the existing 69 C10 belhousing and clutch fork etc.?
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Old 01-13-2007, 12:41 PM   #2
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Re: 5-speed for 69 C10?

Not sure about the bell housing mounts. I know Brad just installed a T5 to his I6, he might have some insight. Not sure what housing he used.
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Old 01-13-2007, 12:43 PM   #3
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Re: 5-speed for 69 C10?

ive heard that s-10 5 speed tranny goes right in but not sure
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Old 01-13-2007, 01:29 PM   #4
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Re: 5-speed for 69 C10?

Wonder what years S10 5-speed? It doesn't look like the 99 S10 5-speed would work based on this picture of one.

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Old 05-03-2015, 04:07 AM   #5
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Quote:
Originally Posted by 53lowdown View Post
Wonder what years S10 5-speed? It doesn't look like the 99 S10 5-speed would work based on this picture of one.

I'm pretty sure it's late 80's to early 90's s10 trans. I have a 72c10 and just purchased the tko 600 brand new. I've been told it's a pretty simple swap and having the rear motor mounts between bell hosing and motor are very beneficial to compensate the weight of the motor. I should be reviving my trans within a week or so if you like I'll keep you posted on the swap.
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Old 01-13-2007, 02:37 PM   #6
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Re: 5-speed for 69 C10?

Any S-10 with the TBI 4.3 in it would work. '87 or '88 .. whenever they started using the 4.3 .. to '95, probably. But they all had hydraulic clutches.
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Old 01-13-2007, 03:30 PM   #7
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Re: 5-speed for 69 C10?

i wouldnt think that an s10 trans would be that strong or durable when any real power was applied.
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Old 01-13-2007, 03:35 PM   #8
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Re: 5-speed for 69 C10?

here's a good thread.
http://67-72chevytrucks.com/vboard/s...d.php?t=212959
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Old 01-13-2007, 05:52 PM   #9
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Re: 5-speed for 69 C10?

But - he's not using the stock bellhousing. My 69 307/3-speed bellhousing has mounts to the frame on the bellhousing and I'd like find a 5 speed that would mount to it - that way I don't have to put in a rear crossmember. Maybe there isn't anything that will work.
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Old 01-13-2007, 07:46 PM   #10
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Re: 5-speed for 69 C10?

i belive the camaro 5 speed will bolt up to the stock bellhousing.but the shifter may hit the seat. the s-10 5 speed would require modifacations (drill out mounting holes,trim input shaft,ect..) the trick thing to do is install the s-10 tailshaft onto the camaro trans.that way it puts the stick in the center of the floor. there is a good artical on this in stovebolt and the inlinners.com this is a cheap way to go if you drive like grandpa (the camaro trans is only good to 300hp max) if you can afford it, the tremec tko600 will bolt up and is good to 600hp. just my 2 cents
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Old 01-13-2007, 08:29 PM   #11
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Re: 5-speed for 69 C10?

The camaro 5 speed is not that stout. They were only installed behind the 305 and were not even offered with the 350. I would find a 5 speed from a early 90's pickup for durabilitly.

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Old 01-13-2007, 08:36 PM   #12
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Re: 5-speed for 69 C10?

Quote:
this is a cheap way to go if you drive like grandpa (the camaro trans is only good to 300hp max)
I don't know the answer to the OP,but I'd like to point out that a 1969 307 in stock tune,burning the more potent gas of that era was rated at 200 gross hp (150-157 net) and 300 ft/lbs torque (255-260 net depending on smog equipment). That was for a new motor at 9.0-1 compression.
So I would say that's a plan unless you have make substantial performance upgrades.
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Old 01-14-2007, 08:45 PM   #13
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Re: 5-speed for 69 C10?

X 3 on the Tremec!!! Ours still "hangs" from the factory rear Xmember under the bell housing. We also didn't trim the floor away as you did. Ours was tight but didn't have to trim. We also used the mid-shift location. It is by far the best investment on the truck. We'll see how it does behind the blower now!

Also, if you use the T-5 from the Camaro don't forget that it is canted to one side. And it does bolt right into the bell housing from the I 6. The shifter will end up right under the bench seat as well. I know because I tried this before the Tremec. I wouldn't go that route.
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Old 01-15-2007, 04:10 AM   #14
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Re: 5-speed for 69 C10?

I just put a T-5 behind my I-6. Hmmmm, interesting letter combination-but I digress. Initially I was going to use a 1989 S-10 T-5 but that was going to be much more work, instead I used a 1985 Camaro trans and it's virtually a bolt on deal. There are some things you need to do and I'll do a writeup within a few days.
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Old 01-15-2007, 05:37 AM   #15
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Re: 5-speed for 69 C10?

awesome brad, I'll be looking forward to that writeup! I am planning on doing something similar within the next few months.
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Old 01-15-2007, 07:37 PM   #16
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Re: 5-speed for 69 C10?

1967 was the last year the truck bellhousing had a 4.685in. bellhousing hole.
1968 and up had a larger 5.125in. bellhousing hole. That is why the 67 trucks didn't need the throughout bearing spacer like I did.

It really helps to locate the transmission accurately for long clutch and transmission life. Having said this, There are people who put the small retainer into the large bellhousing and it seems to work. Just something to remember if the clutch gets trashed prematurely.

I did install the Tremec at first with the low hump cab. There was less than 1/2 in. clearence between the top of the transmission and the floorboard. It is not the best picture, but you see it is really tight. Maybe if I had new cab bushings and floor supports there might have been enough clearance. That is why I went to a high hump cover. Easier to service the transmission in the future if necessary.

The New Venture NV3550 (second picture) is not the same transmission as the Tremec 3550,TKO series (third picture) transmission. Different companies.
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Old 01-15-2007, 04:25 AM   #17
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Re: 5-speed for 69 C10?

i'm pretty sure an early 90's fullsize or s-10 have the same transmission i believe it was an nv3550
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Old 01-15-2007, 09:58 PM   #18
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Re: 5-speed for 69 C10?

So where would I get a Tremec for my '69? Does it bolt up to the stock 350 bell housing? I like my granny 4, but a nice 5 would be great!
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Old 01-15-2007, 10:30 PM   #19
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Re: 5-speed for 69 C10?

Quote:
Originally Posted by jimmydean View Post
So where would I get a Tremec for my '69? Does it bolt up to the stock 350 bell housing? I like my granny 4, but a nice 5 would be great!
Heres a link to some good info
http://www.5speedtransmissions.com/6...truck_5sp.html
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Old 01-15-2007, 10:11 PM   #20
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Re: 5-speed for 69 C10?

I put a NV3500 out of a full size 96 chev truck into my 72 cheyenne with a crate 350. It was a direct bolt up from the trans with it's attached bellhousing to the block. Used a stock auto crossmember. Used it's hydrl clutch setup. The 5 speed was GREAT. No issues for several years. Only thing i didn't like is the throwout bearing would self adjust--. That and the fact that the transmission needed electronic hookup for the speedo--no simple way around that!
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Old 05-03-2011, 08:23 PM   #21
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Lightbulb Re: 5-speed for 69 C10?

HotRodWorks.Com has a spacer that allows the swap. hotrodworks.com or by telephone 208.463.1068 (you can view the part @ http://hotrodworks.com/catalog/index...product_id=119) the website could be easier to navigate. It looks like the spacer is for pre-55 Chevy passenger cars. I contacted them directly for clarification; it's designed to fit these trucks. I haven't attempted the swap, hopefully this summer, if it ever stops raining here in Central Indiana. The transmission is about $200 used and the adapter is $160, a new clutch assembly under $150 (I hope).
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Old 02-07-2015, 01:19 PM   #22
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Re: 5-speed for 69 C10?

I want to upgrade my 71 4X4 to a 5 speed manual. have read the nv3500 is extremely difficult to rebuild and has been known to have some problems.

Most of the post I read are from guys much more tech savy than I am, and nearly all are dealing with lowered 2wd trucks. I on the other hand have raised my 4wd and have the added issue of a transfercase. Anyone working on a 4wd?
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Old 02-07-2015, 01:51 PM   #23
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Re: 5-speed for 69 C10?

To clear up a few things the early 4 and 2.8 6's had the T-5 the mid year 88 model year[was a half year change] when the 4.3 was first made available in the S-10, and the 4.3 was the only one to get the NV3500. the others had the T-5's. The best way to do this the way I have researched it and plan on doing it for my "project Cheapie"are to use a V-8 T-5 trans from a Camaro and a tail housing from a S-10 to move the shifter into a better location in the cab. I know that is taking two to make one but I scrounged around and ended up with both for only $150 so I think it is still doable and since it will bolt to the bellhousing where the three speed was is the best route to go.
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Old 02-07-2015, 06:59 PM   #24
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Re: 5-speed for 69 C10?

If you don't have too much power and want to use a T5 out of a S10 you might want to make sure the one you get takes a mechanical speedo cable. You can google and find out the year mechanical speedos ended but I think it was 1988.

Also check the gear ratios. In some of the 4 cyl T5s the overdrive is pretty small and probably not worth it.

Really good T5 swap post here:

http://67-72chevytrucks.com/vboard/s...d.php?t=655828

Info on T5 gear ratios here:

http://www.inliners.org/Jack/t5_page.html
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Old 02-09-2015, 12:05 AM   #25
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Re: 5-speed for 69 C10?

I mated a mid-'80s Camaro T5 with an S-10 tailshaft before installing it behind the stock 307 in my '68.

Full story here

Here's the story of the tailshaft swap necessary to get the shifter in the right place.

I would not hesitate to put a T5 behind an early smallblock, especially in our trucks. Just don't drive it like an idiot and you should be good to go; I loved my setup.

If you decide to go with a Tremec, check out American Powertrain. They have kits and all the stuff you'll need and are very helpful.

Hope this helps!
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