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Old 12-11-2010, 08:37 PM   #1
JetForceF22
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4L60e out of a S10 Blazer; is the bellhousing the same as on a 1500 pickup truck?

Post title pretty much describes my question. Looking to buy a used transmission since my 4L60e in my k1500 95 Chevy truck went up again. Found a real good deal on a used 4L60e outta 95-96 S10 blazer (sent the person a message seeing if it is a 4x4 transmission) if it is a 4.3l truck are the bell-housings still the same (as in will it bolt to my 350 without any work)

Thanks in advanced,

-Paul
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Old 12-11-2010, 08:39 PM   #2
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Re: 4L60e out of a S10 Blazer; is the bellhousing the same as on a 1500 pickup truck?

Bellhousing is the same, should bolt right up.
Converter probably won't be one you'd want, GM made 'em specific to engines depending on torque, etc.
There may be some internal differences such as pump vane count, etc., maybe a tranny guy will step in.
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Old 12-11-2010, 09:39 PM   #3
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Re: 4L60e out of a S10 Blazer; is the bellhousing the same as on a 1500 pickup truck?

torque converter should be the same the 4.3 and the 305/350 use the same trans. flywheels are different but i think the converters are the same. i put a 700 r4 from a fullsize in my s1 and if fit fine with no issues. the 4l60 e is just a more advanced electronic trans than the 700.
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Old 12-12-2010, 02:29 AM   #4
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Re: 4L60e out of a S10 Blazer; is the bellhousing the same as on a 1500 pickup truck?

Cool thanks for the advice, so the bell-housing will bolt right up and the torque converter should be the same;

Looking to swap the transmission from the one on the s10 blazer to my 1500 pickup, so the only issue we have is the flywheel, you said it is different '54 jimmy' so I wouldn't be able to use my flywheel off the 1500? And if worse comes to worse I can swap the converter from the 1500 tranny to the s10 one.

Thank you all for the advice
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Old 12-12-2010, 09:02 AM   #5
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Re: 4L60e out of a S10 Blazer; is the bellhousing the same as on a 1500 pickup truck?

you can swap the flywheels the s10 is the same as the fullsize so the converter should be too. so hopefully you can take on out and put the other in.
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Old 12-12-2010, 08:35 PM   #6
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Re: 4L60e out of a S10 Blazer; is the bellhousing the same as on a 1500 pickup truck?

Good to know, Thanks for all the info Jimmy!
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1995 K1500 Silverado 5.7L 350 TBI with 1in swirl torque spacer, Flowtech shorty headers, 3 inch collectors to y pipe going to 3in highlfow cat converter, single offset passenger side outlet, full 3 inch setup from collectors. Edelbrock High Flow 255LPH/67GPH Fuel pump, adjustable fuel pressure regulator and gauge, running at about 18psi. 3.73 Rear 4L60-E 4 speed auto (Rebuilt)http://s59.photobucket.com/albums/g2...1995%20Pickup/
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Old 12-12-2010, 09:56 PM   #7
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Re: 4L60e out of a S10 Blazer; is the bellhousing the same as on a 1500 pickup truck?

if you do the swap and it works let me know because its hard to find a 4l60e for my 94 around here and this might make it easier thanks
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Old 12-12-2010, 10:22 PM   #8
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Re: 4L60e out of a S10 Blazer; is the bellhousing the same as on a 1500 pickup truck?

The 4.3L V6 utilizes the same bellhousing pattern and dimensions as the V8 engines. The converter will have a higher stall rpm than a converter designed for a V8. Converters are selected to allow the specific engine it is bolted to, to get into the appropriate rpm for that engines power curve. A converter from a V6 will work on a V8 but not the other way around. You will see the engine rpms climb a little higher before it kicks all the way in. More than likely, it will only be a few hundred rpm. You probably already know this, but do not try and use your converter from the bad transmission in the "new" one. Either use the one that comes with it or buy a new one.

As for the flexplate, they should be the same. The mounting flange on the end of the 4.3 and the one piece rear main seal SBC engines is the same. They also use the same converter so the three converter holes are the same. A quick look on Oreilly Auto's website shows the same part # for both vehicles:

Pioneer #FRA159 or FRA159A for the heavy duty.
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Old 12-14-2010, 07:05 PM   #9
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Re: 4L60e out of a S10 Blazer; is the bellhousing the same as on a 1500 pickup truck?

Okay thank you bwood for the invaluable information; right now its a tossup between getting the v6 4L60e and putting a SM465 in my truck; I picked up the 4 speed manual transmission for free, so I might go that route. I'm still deciding however, both will require some labor on my end. Either way I will inform you guys on what happens and how the swap goes. There's always a chance buying a used transmission (specially for how cheep this one is) that it could be bad. The person I'm getting the free sm465 from is a good friend of mine so we will see what ends up happening. Once again I thank everyone for their input and information on this matter
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Old 12-15-2010, 12:53 AM   #10
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Re: 4L60e out of a S10 Blazer; is the bellhousing the same as on a 1500 pickup truck?

Sell the manual to cover the costs of the auto. To go manual you're going to need:

-Clutch Pedal Assy
-Clutch master cyl
-Clutch master cyl hose
-Clutch kit
-Slave Cylinder (if not integral to trans already)
-Install Pilot bearing in crank
-Cut hole in floor and aquire a shifter boot
-Verify that your seat will work with a manual
-Change your PCM out for a manual trans ECM
-These trucks didn't come from the factory with a 4 speed, you may not have a -place for a VSS in the tail shaft housing
-Verify that your driveshaft will work
-Install a clutch pedal switch
-The steering colums are different, IDK how well the auto column will work or whats required to get it to work
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Old 12-15-2010, 03:18 AM   #11
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Re: 4L60e out of a S10 Blazer; is the bellhousing the same as on a 1500 pickup truck?

Yeah I have already been looking into what the cost will be. I'm getting a full assembly (SM465-NP208 xfer case, shifter boot, shifter levers, bellhousing and a forward drive-shaft) and have verified via research (without actually dropping out the xfer case) that my transfer case will fit on the back of the 465 since its a 32 spline output shaft, which would mean that I could use the original driveshafts (since the xfer case on the IFS is a driver side mounted drive-shaft) and the VSS on the 88-98 are on the xfer case (so far that's what my research has told me)

I also know about the computer issue, it is about time I got a new computer because my Silverado (Read my signature) has a lot of engine and fuel system modifications, none of which I am taking advantage of on my stock PCM, so this will just give me incentive to finally get that taken care of.

Now to raise the remaining issues (thank you for laying them out for me by the way, its nice to see all the possible issues in one post ) would be
-Clutch Pedal
-Clutch Pedal Switch (?)
-Clutch Kit (Hydraluic.. ect, addressed below)
-Verify that your seat will work with a manual
-Install Pilot bearing in crank (Potential issue)
-Steering Column (addressed below)

Okay, before I get started on the next issues let me show you the form I've been viewing that has helped me a GREAT DEAL with potential issues and instructions. This is talking about a 700r4 to a sm465, but the 4l60e is not much different from the sm465. I also have posted a few on the very last page.

http://coloradok5.com/forums/showthread.php?t=265119

Okay, Before we discuss the hydraulic cylinders, let me say that I didn't even look to see if it was a mechanical or a hydraulic transmission. When I find out I will let everyone know. About the steering column, I believe I have read in that form that no modifications were needed to the factory steering, but had to be disconnected in order to install the transmission. Don't remember I will re-read that form sometime later this week. The clutch pedal I could probably find from the junkyard or just buy a new assembly, and go from there. I am unfamiliar with the "Clutch Pedal Switch..." Could someone enlighten me further about this?

And the verify that my seat will work with a man. transmission, do you mean my actual drivers seat? If so I have 2 bucket seats and center console, not sure if that's what you were asking for however?

And that leaves the pilot bearing in the crank... That would be the game changer, if my crank does not have one installed already then that's a big deal, if I have to install a new crank I might as well have a rebuild kit on standby, so that's something I will definitely have to look into.

bwood, and to everyone else here on the boards; I cant thank you enough for sharing your knowledge about the potential issues. Its nice to have experienced people on the message boards here to address potential issues when it comes to things like this.
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1995 K1500 Silverado 5.7L 350 TBI with 1in swirl torque spacer, Flowtech shorty headers, 3 inch collectors to y pipe going to 3in highlfow cat converter, single offset passenger side outlet, full 3 inch setup from collectors. Edelbrock High Flow 255LPH/67GPH Fuel pump, adjustable fuel pressure regulator and gauge, running at about 18psi. 3.73 Rear 4L60-E 4 speed auto (Rebuilt)http://s59.photobucket.com/albums/g2...1995%20Pickup/
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Old 12-16-2010, 01:27 AM   #12
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Re: 4L60e out of a S10 Blazer; is the bellhousing the same as on a 1500 pickup truck?

Quote:
Originally Posted by JetForceF22 View Post
I am unfamiliar with the "Clutch Pedal Switch..." Could someone enlighten me further about this?
The clutch pedal switch provides the same function as the neutral safety switch does in an automatic. It requires you to depress the clutch pedal before starting to ensure the starter doesn't try to pull the truck in gear and make a simple situation worse. It is mounted on the pedal assy.

Quote:
Originally Posted by JetForceF22 View Post
And the verify that my seat will work with a man. transmission, do you mean my actual drivers seat? If so I have 2 bucket seats and center console, not sure if that's what you were asking for however?
Some trucks (not sure if these truck are effected by this) originally equipped with the bench seat and a manual will have a cutout in the middle so if the seat is all the way up and the stick is back, they won't contact.

Quote:
Originally Posted by JetForceF22 View Post
And that leaves the pilot bearing in the crank... That would be the game changer, if my crank does not have one installed already then that's a big deal, if I have to install a new crank I might as well have a rebuild kit on standby, so that's something I will definitely have to look into.
If there isn't a pilot bearing, usually the crank is machined to accept one. You will just need to install the correct one for your trans.


The items I listed before are just a list of things that I know are different between most manual and automatic trucks. There will be things that you can get by without changing (ie the steering column), just make sure the research is done before diving in. One more thing I thought of last night was the ignition switch, the manuals have the little button on them that prevent the key from coming out.
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Last edited by bwood; 12-16-2010 at 01:28 AM.
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Old 12-17-2010, 02:19 AM   #13
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Re: 4L60e out of a S10 Blazer; is the bellhousing the same as on a 1500 pickup truck?

Quote:
Originally Posted by bwood View Post
The clutch pedal switch provides the same function as the neutral safety switch does in an automatic. It requires you to depress the clutch pedal before starting to ensure the starter doesn't try to pull the truck in gear and make a simple situation worse. It is mounted on the pedal assy.
Ah okay I understand. I might not fool with that though since the sm465 is all mechanical, plus I'm used to driving my 72 and I've only turned the key (in gear) for a brief second before I realized my mistake, its not something I do often. I'll look into it however.

Quote:
Originally Posted by bwood View Post
Some trucks (not sure if these truck are effected by this) originally equipped with the bench seat and a manual will have a cutout in the middle so if the seat is all the way up and the stick is back, they won't contact.
I'm most likely going to have to move my CB Radio since I attached it to the bottom of the cigarette lighter tray... other then that I hope I don't have any other clearance issues hopefully (the console may be a problem?), it'll just be about finding the correctly bent transmission stick.

Quote:
Originally Posted by bwood View Post
If there isn't a pilot bearing, usually the crank is machined to accept one. You will just need to install the correct one for your trans.
I found my new pilot bearing that I was supposed to put in my 72's sm465 today in the garage, hopefully it'll fit right into my crank


Quote:
Originally Posted by bwood View Post
The items I listed before are just a list of things that I know are different between most manual and automatic trucks. There will be things that you can get by without changing (ie the steering column), just make sure the research is done before diving in. One more thing I thought of last night was the ignition switch, the manuals have the little button on them that prevent the key from coming out.
My ignition switch is all weird already, I can take the key out and the truck still runs, may be something I might have to look into when I tear the truck apart lol. Thanks again for all the info
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1995 K1500 Silverado 5.7L 350 TBI with 1in swirl torque spacer, Flowtech shorty headers, 3 inch collectors to y pipe going to 3in highlfow cat converter, single offset passenger side outlet, full 3 inch setup from collectors. Edelbrock High Flow 255LPH/67GPH Fuel pump, adjustable fuel pressure regulator and gauge, running at about 18psi. 3.73 Rear 4L60-E 4 speed auto (Rebuilt)http://s59.photobucket.com/albums/g2...1995%20Pickup/
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Old 03-02-2017, 01:33 AM   #14
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Quote:
Originally Posted by 54 jimmy View Post
you can swap the flywheels the s10 is the same as the fullsize so the converter should be too. so hopefully you can take on out and put the other in.
Can you put a 97 blazer transmission in a 96 chevy pickup it's the 5.7 vortec
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Old 03-04-2017, 06:46 PM   #15
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Re: 4L60e out of a S10 Blazer; is the bellhousing the same as on a 1500 pickup truck?

yes you can but the s series trans are not a beefy as the full size ones. that is why it is better to go full size to s series.
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Old 03-11-2017, 03:57 PM   #16
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Re: 4L60e out of a S10 Blazer; is the bellhousing the same as on a 1500 pickup truck?

I have a great cond clutch pedal assembly from a 95 Silverado k1500 if interested.
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Old 03-11-2017, 07:27 PM   #17
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Re: 4L60e out of a S10 Blazer; is the bellhousing the same as on a 1500 pickup truck?

be careful around the 95-96 year time frame, GM started with the PWM convertor lockup system , the PWM trans will not play nice with a nonPWM ecm. the Stall in higher for the 4.3 S10s ,but most aftermarket convertors dont follow that, they make a once size fits all.
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