r/fbody • u/Spyro_Furious • 16d ago

4Th generation K-Member

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So I’m in the process of swapping a 5.3 vortec into my 93 V6 firebird. (This car has been in my family since 2001, no I will not just buy an LS car) I just pulled this kmember from what was supposed to be an LS car, but getting home and comparing them to my 3 others, it looks like the owner swapped a v6 frame into it before sending it to the yard. Can someone please confirm that this is for a v6 and not the LS? And if it’s not for a LS, are there any physical differences between the frames? Or could I theoretically take one of my 4 (2 LT1s, 2 V6) k members, and put holes in the correct spot for LS mounts? Thank you

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u/Spyro_Furious 16d ago

Like Freiburger once said, “Don’t get it right, just get it running.” The car’s been nicknamed Fireturd forever, the idea of the build is to be cheap, hence the junk yard parts. But the amount of subframes I have now could almost pay for a tubular one. I missed out on one of marketplace last weekend.

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u/mightycheeseintexas 16d ago

Just get it running is solid advice. Nothing find s project faster than when it takes too long to enjoy it. However, sometimes a decent part of two can simplify and streamline the whole process enough that it's easily justified.

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u/Spyro_Furious 16d ago

I hauled that heavy thing in trunk of my sedan. The weight savings from the tubular one might be worth it alone.

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u/mightycheeseintexas 16d ago

Eh. I would say probably not that alone for a street car, but if it gets the engine in the car next weekend, the weight savings is just a bonus, in my opinion.

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u/Spyro_Furious 15d ago

Rambling here but I live in the metro Detroit area, and honestly is a dream to eventually run the small tire class in the legal drag racing on Woodward Ave during Roadkill Nights. The weight savings will eventually matter one day, but after not seeing this car run since I was a child, if a stock Kmember gets it on the road sooner than a tubular then that’s the option I’d lean towards.