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Old 04-16-2018, 09:28 PM   #701
longbed67
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Re: Project: Turbo 250

Engine: 91.5 12 valve fully rebuilt balanced within 1 gram, stock bore, stock compression with the .010 head gasket,pistons fully coated ceramic top moly side ARP everything
Cam: Hamilton 182/214 with matching valve train with Smith bros push rods (was told by hamilton, good for 100 # of boost up to 5k rpm)
Fuel: New old stock VE pump with 3800 spring, THD Pin, M&H timing spacer, 6x.013 VCO Bosch injectors from THD, 2nd gen fuel pump upgrade from THD, stock high pressure fuel line diameter
Trans: NV4500 fully built and cryo treated by midwest trans
Clutch: American Powertrain highpressure ceramic single disk rated for 850 lb ft at 20k lbs towing
Exhaust: 4" 409 stainless mandrel bent turbo back straight pipe
It will be running compound turbos of a HE351CW wastegate bored to 1" secondary over a S475 with 1.15 turbine housing primary
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My 1967 C10 - Turbo 250 Build Thread
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Old 04-16-2018, 09:34 PM   #702
longbed67
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Re: Project: Turbo 250

Motor/ trans is capable of putting some serious power to the ground (over 1000hp with the propane injection secondarys) but will be keeping it de-tuned to keep it clean and see what kind of fuel economy I can get. Going to shoot for around 400hp and 850 lb ft of torque
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My 1967 C10 - Turbo 250 Build Thread
http://67-72chevytrucks.com/vboard/s...d.php?t=485843

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Old 04-17-2018, 10:33 PM   #703
mjensen
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Re: Project: Turbo 250

Is it done yet? Sounds like a great powerplant!
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'69 GMC 3/4 ton 4x4 Build Thread
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Old 04-18-2018, 03:28 PM   #704
clay68c10
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Re: Project: Turbo 250

That’s gonna be stout!
What about the 4bt wasn’t working for you? Not enough power?
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ClusterTruck: 68 C10 Bought in 89, wrecked in 03. Slow low $ rebuild started '17. 6.0 & TKO
http://67-72chevytrucks.com/vboard/s...d.php?t=788602
93 K1500 Short Step, 350, NV4500, EBL flash ECU. Vortec heads & roller cam someday...
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Old 05-14-2018, 11:44 AM   #705
hotwls13
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Re: Project: Turbo 250

Quote:
Originally Posted by longbed67 View Post
Also got the Curt Class IV hitch installed today and mocked up the rear bumper and brackets. It is the perfect height with my Class IV adjustable receiver.
I'm thinking of getting the Curt 14082 hitch for my 70 LWB 1/2t GMC. I will be using the sport bumper.

Do you have any pics with the flip up license plate and receiver hitch installed??

My bed is off right now (and also the bumper/brackets). It would be easier to install the hitch now, but I think it would be better for alignment if I wait til bed/bumper is installed.

You had to drill the 6 holes correct? Also, was the hardware provided sufficient?

Lastly, where did you get the flip up license plate holder?

Thanks,


Beautiful truck btw
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Old 05-15-2018, 09:42 AM   #706
68Gold/white
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Re: Project: Turbo 250

Job well done!!!
I've always thought a Cummins would be cool in a street driven pickup. A friend had one in a 3/4 ton. He took out the original 6.2.
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