pic of my truck-

Cummins Conversion & Builds

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Re: pic of my truck-

Postby Remps » Tue Jan 06, 2015 7:58 am

I have a few doubts about a stock Ford clutch behind a cummins, especially one that is turned up some. i guess if you drive it nice it will last a long time.
'90 D250 R/C,727,IC,6x.009's,1/8" bump,fuel psi,straight pipe w/5" stack.
'90 W250 R/C,47rh,K@N,HX35,1/8" bump,2nd gen IC,boost,egt,trans temp.3.07's.
'96 2500 S/C L/B,2wd,NV5600,3.54 L/S,cai,egt,pacbrake,mbrp exhaust,10 plate.
Bring back the Bank of Canada, PRE- 1974.
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Re: pic of my truck-

Postby jethro » Wed Jan 07, 2015 8:01 pm

Melby-
My nephew had a vw jedda turbo diesel- Got 60 mpg on the interstate. (totaled it driving drunk ! :roll: )
That's great mileage but I cant get a sheet of plywood in that either ..... :lol:

Remps-
I don't intend on turning it up any more (or even as much maybe) as the 6 liter that was in it.....
I may not intentionally turn it up any- unless I change injectors in an attempt to get better mileage.
Not sure if I would do a mild fuel pin (?)
Have to look up and see what the 6.0 powerstroke was in HP...... I expect it (clutch) would stand 250 or even 300 HP if you drove "normaly" - which I will be doing anyway.

Tim
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Re: pic of my truck-

Postby Remps » Thu Jan 08, 2015 11:36 am

A 6.0 made 325 hp and 560 lb/ft at the flywheel, so probably 230-240 hp and 430-450 ft/lbs at the back wheels. A 250 rwhp cummins will probably be somewhere around 600-650 ft/lbs, at a lower rpm than the ford. 300 rwhp cummins will be around 680-750 ft/lbs. I am guessing more than 700-750 ft/lbs would be asking a lot of a stock clutch to put to the ground, provided you have traction. All I'm saying is if you expect a stock clutch to hold up to a 300 rwhp cummins below 2000 rpm, where the big torque is, it may or may not slip. Hard to say. And if it did slip a little below 2k rpm at full power, one could keep running a stock clutch at those power levels as long as one was careful in the lower rpms. I just thought I'd share my humble opinion BEFORE you put the motor in the truck. :mrgreen: It will be a nice truck when it is done.
'90 D250 R/C,727,IC,6x.009's,1/8" bump,fuel psi,straight pipe w/5" stack.
'90 W250 R/C,47rh,K@N,HX35,1/8" bump,2nd gen IC,boost,egt,trans temp.3.07's.
'96 2500 S/C L/B,2wd,NV5600,3.54 L/S,cai,egt,pacbrake,mbrp exhaust,10 plate.
Bring back the Bank of Canada, PRE- 1974.
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Remps
14mm rotor
 
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Joined: Sun May 03, 2009 12:57 am
Location: Saskatchewan
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Re: pic of my truck-

Postby jethro » Sat Jan 10, 2015 10:30 pm

Thank you Remps-
I wont be pulling anything more than my aluminum boat (16 feet) so I am guessing that just an empty truck wont be able to
resist a reasonable normal acceleration enough to load the clutch THAT much.
I hope that will be OK because I all ready have the cutch on the engine ! I will try it first before I go to something biger !
Since it will be mostly a daily driver/work truck- I wanted a user friendly clutch.

It has a 6 speed ZF-6 with a really low 1-st gear. maybe that could help ?

I will be finding out !

That is motivation to not jack up the HP if I can help it !!!!

Tim
jethro
fuel screw!!!!
 
Posts: 432
Joined: Sat Mar 08, 2014 12:32 am
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