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Big Red Pile 91 W350 Build Thread

Cummins Conversion & Builds

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Re: Big Red Pile 91 W350 Build Thread

Postby bgilbert » Tue Sep 17, 2013 4:02 pm

CumminsPower59 wrote:I'm hoping that is the case. I am on the hunt now for a M12x1.75 bottom tap...

Got mine from Napa.
Bill Gilbert
85 D350 crew with 90 6BT intercooled Getrag 3.07's
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Re: Big Red Pile 91 W350 Build Thread

Postby CumminsPower59 » Tue Sep 17, 2013 4:08 pm

The have bottom taps? I have access to standard/tapered taps, but not bottom taps...
Ike

91 W350 SRW, 3.07's, NV4500, 370's, THD LPPP, Super HX40, 2nd gen IC swap, BHAF, Isspro's, 2" lift, 285's on 3rd gen 17"'s.
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Re: Big Red Pile 91 W350 Build Thread

Postby bgilbert » Tue Sep 17, 2013 5:02 pm

CumminsPower59 wrote:The have bottom taps? I have access to standard/tapered taps, but not bottom taps...

Yes, could have been old stock on the shelf though.
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93 D350 single cab Getrag 3.54's.
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Re: Big Red Pile 91 W350 Build Thread

Postby CumminsPower59 » Tue Sep 17, 2013 5:17 pm

Ah, right on.
Ike

91 W350 SRW, 3.07's, NV4500, 370's, THD LPPP, Super HX40, 2nd gen IC swap, BHAF, Isspro's, 2" lift, 285's on 3rd gen 17"'s.
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Re: Big Red Pile 91 W350 Build Thread

Postby PToombs » Tue Sep 17, 2013 6:17 pm

Ike, pull the head, have it surfaced. Hopefully the bolt will come out pretty easy with the head off. Tap the holes with the regular tap, then the bottom tap. Wait! If you are putting regular bolts back in, why bottom tap? :roll: Just run the regular tap thru and put it together!
pete

Just enough power to break everything behind the crankshaft.
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Re: Big Red Pile 91 W350 Build Thread

Postby CumminsPower59 » Tue Sep 17, 2013 6:35 pm

Here is the deal I am faced with. The head is a 9mm, and I am sure it is cracked, like most are. Would it still be worth it to have it surfaced? I wanted to buy a new one, but I can't swing it...I was just gonna run a super fine scotch brite pad over it and clean it up a bit...
Ike

91 W350 SRW, 3.07's, NV4500, 370's, THD LPPP, Super HX40, 2nd gen IC swap, BHAF, Isspro's, 2" lift, 285's on 3rd gen 17"'s.
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Re: Big Red Pile 91 W350 Build Thread

Postby ellis93 » Tue Sep 17, 2013 6:43 pm

I'd just run it till I could do better,after all it's not really a bad job. Like you said,it's more than likely cracked,it would be a 1out of 100 chance it wasn't from all I've read.
93 D250 ,5 speed,4.11s,k&n autometer tach pyro trans boost guages,GDS 60mm h1c 14cm,honed 5x10,hplp/reg,1/8 timing,M+H M2 fuel pin, tims cooler tubz
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Re: Big Red Pile 91 W350 Build Thread

Postby CumminsPower59 » Tue Sep 17, 2013 6:56 pm

That's what I think I am gonna do. Unfortunately, I got a sick child, so this heap is going to have to get put on the back burner for a bit...
Ike

91 W350 SRW, 3.07's, NV4500, 370's, THD LPPP, Super HX40, 2nd gen IC swap, BHAF, Isspro's, 2" lift, 285's on 3rd gen 17"'s.
04 VW Jetta Wagon TDI 5speed
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Re: Big Red Pile 91 W350 Build Thread

Postby Tacoclaw » Tue Sep 17, 2013 8:13 pm

Just cut the majority of the taper off the bottom of a normal tap, that's how I always make mine. Just use a cutoff wheel and keep dunking it in water as you go. If you turn the metal blue it'll be worthless as a tap since it'll be annealed.
1990 W250 4x4
Rattles, growls, whistles, and whines.
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Re: Big Red Pile 91 W350 Build Thread

Postby 1STGENFARMBOY » Tue Sep 17, 2013 8:41 pm

yup...that's what I do in a pinch. ^ ^ ^ ^ ^ ^ ^
93 W250 STD CAB, AUTO 3.55, GAUGES, 80HP DDP STICKS, DENNY T ,16CM HOUSING, 60MM GILLETT, VE MAXED,BHAF, BHFF, 366 SPRING,P/S INTERCOOLER, TIMS COOLER TUBS, TIMMING 1/8 BUMP,4in TURBO BACK TO DUEL 5IN STACKS,33 12.50 BFG, HOLLEY BLACK, CONVERTER COOMING.
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Re: Big Red Pile 91 W350 Build Thread

Postby CumminsPower59 » Wed Sep 18, 2013 8:56 am

Well, all the parts are ordered and on the way, hopefully everything will be in by mid-week next week and I can start assembly. I will probably start tearing into it tomorrow morning and see how far I get. I still have a laundry list of things to get done on the truck anyways, so while I am waiting on parts, I can finish up that stuff...
Ike

91 W350 SRW, 3.07's, NV4500, 370's, THD LPPP, Super HX40, 2nd gen IC swap, BHAF, Isspro's, 2" lift, 285's on 3rd gen 17"'s.
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Re: Big Red Pile 91 W350 Build Thread

Postby CumminsPower59 » Sun Sep 22, 2013 4:34 pm

Worked on it for a bit this afternoon...hope to finish the tear down tomorrow morning before I got to go in for work...

Image
Last edited by CumminsPower59 on Tue Sep 09, 2014 10:53 am, edited 1 time in total.
Ike

91 W350 SRW, 3.07's, NV4500, 370's, THD LPPP, Super HX40, 2nd gen IC swap, BHAF, Isspro's, 2" lift, 285's on 3rd gen 17"'s.
04 VW Jetta Wagon TDI 5speed
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Re: Big Red Pile 91 W350 Build Thread

Postby CumminsPower59 » Mon Sep 23, 2013 10:19 am

Pictures...

Image

I guess those 135degree 6x11's were spraying WELL into the bowl :lol:
Image

Another shot...
Image

The offending bolt...
Image

Stupid bolt, I win!!!
Image


That bolt spun out fairly easy....whoops :oops:
Last edited by CumminsPower59 on Tue Sep 09, 2014 10:55 am, edited 1 time in total.
Ike

91 W350 SRW, 3.07's, NV4500, 370's, THD LPPP, Super HX40, 2nd gen IC swap, BHAF, Isspro's, 2" lift, 285's on 3rd gen 17"'s.
04 VW Jetta Wagon TDI 5speed
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Re: Big Red Pile 91 W350 Build Thread

Postby dazedandconfused » Mon Sep 23, 2013 10:26 am

Glad it wasn't seized.
Big Andy
1983 Dodge D150 that has been repowered with a 93 Cummins/518 running gear AKA The Ugly Duck! I would much rather build them then buy them.[
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Re: Big Red Pile 91 W350 Build Thread

Postby RCCUMMINS89 » Mon Sep 23, 2013 11:41 am

Ya, no kidding.
89 RC on shortened 92 diesel frame - NV4500 w/dual disc/4.10s on 37s. - Self built pump, "hot screw", lots of timing, True high volume low pressure lift pump, 62fmw/68/.7gated, 77lpm SAC Inj., Studs/O-rings,- 423/1220 Mustang - 11/16/2013 http://www.TheHungryDiesel.com full line dealer, if you don't see it please ask.
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