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Re: 78 K20 modernization project
Didn't see that coming!
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Re: 78 K20 modernization project
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I decided quite a while ago not to mess with turning the 78 K20 truck into something it was not and to just build another truck entirely. My 69 K10 project turned out to be the prefect platform for me as it was nothing but a rolling chassis with a factory A/C cab when I got it and was in need of some serious rebuild work to make it a usable truck again. A perfect blank slate to start building what I really want in a truck. The 69 K10 is getting the EFI & overdrive auto drive train that I bought for the 78 K20 along with A/C and some creature comforts the 78 did not have. I feel better selling the 78 K20 as it was having not modified the truck in a manner that it a much less capable work truck. Everything I did to it made it stronger and more durable so it will live a long and productive life for years to come. |
Re: 78 K20 modernization project
Yeah I totally hear that. I felt the same way about my 77 until I dug a little deeper and saw that not much was original on it... What type of EFI do you have going on the 69? 700r4? I've been thinking about doing a 700r4 and NP241 with a slip yoke eliminator in my 77. I kind of want an auto start for when it is -40 in the winter, and would only feel comfortable putting it in with an auto trans. I think once I put in my 4.10 gears I'll want that overdrive too...
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Re: 78 K20 modernization project
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After I get a few other vehicle projects done I will do an LSx swap to it. I will probably end up doing a cam upgraded 5.3 swap to it and call it good. |
Re: 78 K20 modernization project
Very cool. You'll like the TBI. I think there is still an outfit that will burn chips for them to work with any modifications. The new after market ones are sweet, self learning and all that, but not cheap.
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Re: 78 K20 modernization project
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It should run pretty well with no chip changes as the vortec truck cam is pretty tame. I will data log the thing and dial in the tune with my wide band oxygen sensor anyway though just to get the most out of the package. I would love to have the EBL but last time I checked RBob didn't have a version for the 16197427 PCM I am running to control the 4L60E and the TBI system. |
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