Rare GMC 637 V-8 Toro-Flow Diesel - The 1947 - Present Chevrolet & GMC Truck Message Board Network

C10 - C90 Bill · 04-11-2020, 11:05 PM

This one is Marine, but a good example of a 637 Diesel:

You Tube

**Bob B.** · 04-12-2020, 01:52 AM

Nice, thanks for posting! I think more 637 Toroflows ended up in boats than trucks.

sweetk30 · 04-12-2020, 11:02 AM

hate to even say this but sounds a lot like a 6.9 or 7.3 ih diesel when its running .

**Bob B.** · 04-12-2020, 02:00 PM

A little bit, but Toroflows have their own unique sound. We have a running 478 Toroflow bus at a museum I work at.

04-12-2020, 01:52 AM	#2
Bob B. Senior Member Join Date: Aug 2005 Location: Los Angeles Posts: 1,308	Re: Rare GMC 637 V-8 Toro-Flow Diesel Nice, thanks for posting! I think more 637 Toroflows ended up in boats than trucks. __________________ 1967 GMC CM-2500 Camper Cruiser, 351E V-6, NP 435 4 speed, Dana 60, and factory A/C. 2012 GMC K-3500 WT regular cab, 6.0L Vortec, 6L90.

04-12-2020, 11:02 AM	#3
sweetk30 Registered User Join Date: May 2012 Location: horseheads,ny rust belt Posts: 2,794	Re: Rare GMC 637 V-8 Toro-Flow Diesel hate to even say this but sounds a lot like a 6.9 or 7.3 ih diesel when its running . __________________ 77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great.

04-12-2020, 02:00 PM	#4
Bob B. Senior Member Join Date: Aug 2005 Location: Los Angeles Posts: 1,308	Re: Rare GMC 637 V-8 Toro-Flow Diesel A little bit, but Toroflows have their own unique sound. We have a running 478 Toroflow bus at a museum I work at. __________________ 1967 GMC CM-2500 Camper Cruiser, 351E V-6, NP 435 4 speed, Dana 60, and factory A/C. 2012 GMC K-3500 WT regular cab, 6.0L Vortec, 6L90.



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