Conversions & Swaps LSX Engines in Non-LSX Vehicles
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76 Blazer LS swap

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Old Jan 25, 2019 | 09:25 AM
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Default 76 Blazer LS swap

Thought I would share some info on my latest build, 1976 K5 Blazer with an LS3/4L75E swap. I will post up pics on a daily basis and feel free to ask questions or leave suggestions.



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Old Jan 25, 2019 | 11:09 AM
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neat looking blazer. is that an old park preserve truck? i cant make out the door sticker.
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Old Jan 25, 2019 | 01:01 PM
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Originally Posted by jeffs55chevy
neat looking blazer. is that an old park preserve truck? i cant make out the door sticker.


not 100% for sure but its pretty cool anyways.
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Old Jan 25, 2019 | 01:46 PM
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That's bad ***! Hope you dont plan to paint it! I had a Department of Agriculture 59 Chevy wagon, but the lettering had been removed, so you could barely read it on the doors.
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Old Jan 25, 2019 | 02:15 PM
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Dewitts LS swap Radiator

Hooker C10 LS Swap headers
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Old Jan 25, 2019 | 02:38 PM
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I subscribed because I think this is a cool project. Looking forward to seeing what you do with this.
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Old Jan 25, 2019 | 03:01 PM
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love that color. looking at a '74 right now but man blazers are even rustier than normal squares
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Old Jan 25, 2019 | 10:24 PM
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Nice blazer. I worked on a super clean garage kept example for a guy and it drove like new with a 5.3 when it was finished.
Around here these things are typically so rusty you are buying a VIN and title kit that needs everything except a frame and axles to make it work.
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Old Jan 26, 2019 | 10:02 AM
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Subbed! That thing is beautiful! Love the Forest painting on the doors. I plan on doing a similar LS swap to my 2 door Tahoe this summer. And being in the Midwest I agree with these guys, it's impossible to find a rust free K5. Looking forward to seeing this build happen.
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Old Jan 27, 2019 | 12:39 PM
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Subscribed! I'm going to be watching this and NastyNate65's 98 2 door LS swap, I have a 99 2 door Tahoe.
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Old Jan 27, 2019 | 06:37 PM
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Love this build! Sick Blazer and rare color!
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Old Jan 27, 2019 | 08:31 PM
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Chervolet Performance 4L75E and 265MM 2800 RPM Circle D converter

Vintage Air condenser and Earl's Ultra-Pro trans cooler

New tank for the fuel system

Blazer EFI sending unit and a Holley 12-914 255lph pump
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Old Jan 28, 2019 | 04:48 AM
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Originally Posted by ls1nova71
Ihada Department of Agriculture 59 Chevy wagon, but the lettering had been removed, so you could barely read it on the doors.
Ya sold it? Someone has a very cool new ride.
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Old Jan 28, 2019 | 04:51 AM
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84C10,
Is that trans their new supermatic version of 4L60E style ? Let it be known, it is recommended (B&M) that trans coolers have the lines mounted on the top to allow any trapped air to be bleed out. FWIW
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Old Jan 28, 2019 | 09:33 AM
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Originally Posted by Jimbo1367
84C10,
Is that trans their new supermatic version of 4L60E style ? Let it be known, it is recommended (B&M) that trans coolers have the lines mounted on the top to allow any trapped air to be bleed out. FWIW
yes it is a heavily updated 4L60E rated at 650ft/lb. Thanks for the input, I'm not sure I can agree with them, I will stick with what has always worked.
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Old Jan 28, 2019 | 10:21 AM
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Cool truck. That sign on the doors look like they were done recently and then rubbed to make them appear old. They're cool anyway, but pretty sure they arent original.
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Old Jan 28, 2019 | 11:18 AM
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Originally Posted by 84c10
. Thanks for the input, I'm not sure I can agree with them, I will stick with what has always worked.
Yeah, I just thought I'd pass it on. If you ever had a issue, then that MIGHT be it. LOL. Now get wrenching !!
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Old Jan 28, 2019 | 02:32 PM
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Originally Posted by Jimbo1367
Yeah, I just thought I'd pass it on. If you ever had a issue, then that MIGHT be it. LOL. Now get wrenching !!

no one asked me, but i'll just say it now. sell that fancy pants gussied up 60e to some other poor soul and slap an 80e in there and be done with it for all time
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Old Jan 28, 2019 | 05:58 PM
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Originally Posted by truckdoug
no one asked me, but i'll just say it now. sell that fancy pants gussied up 60e to some other poor soul and slap an 80e in there and be done with it for all time
Good cop, bad cop. Hahaha!
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Old Jan 28, 2019 | 06:09 PM
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If you research the 4l75E you'll be surprised what people are doing with them. Being rated at 650 ft/lb it will be fine behind a 480HP LS3. The gearing in the 4L60 is much nicer than the 4L80. I think the original 4L60 was only rated at 360 ft/lb
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