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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

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  #1  
Old 03-18-2012, 03:41 PM
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91dirtydiesel 91dirtydiesel is offline
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high performance bullnose trucks?

anyone have one? i would love to see pics and mods done!

im curious about weight reduction on a 85 RCLB f250 2wd, from what i understand they are about 5400 with a diesel engine. has anyone ever shortened the frame on these or have any insight on reducing weight?

what about drive train? what have you guys used? rear end?

it is going to have a built up 7.3l idi with built up E4OD and used as a drag truck and weekend warrior.

is there any common issues that these era trucks run into? weak spots? areas of concern? ive already started the engine build and was looking to toss it in one of these trucks because i cant really find any of these modded out so wanted to be a bit unique...

im going to pick up one next weekend for 1000$ running in good condition.

so any pics, tips, or suggestions you guys have on it would be awesome!
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91 f250 7.3l - HE351VE turbo, R&D intake manifold, PSD intercooler, zf5 swap, Dana 60 swap, lift, tires, crossover steering, pillar gauges

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  #2  
Old 03-18-2012, 08:44 PM
81ChopTop 81ChopTop is offline
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You talking about something like this?
Click the image to open in full size.
Click the image to open in full size.
If I'm right, he's running a 385 series engine.
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  #3  
Old 03-18-2012, 08:45 PM
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You and me both! Big engine in a little truck... hahaha!

I have been collecting parts but not started to tear into mine (yet). I'm going to cut my truck down even further to a SWB length. I got a flare side bed for it which I think is lighter than a steel bed, definitely lighter than a steel long bed. I was going to use my CCLB F350 frame and chop it in two places, but I am leaning toward a SCLB F250 frame/cab at my local JY because it would require only one cut, the cab and frame vin's match and being an F250 the frame is 3/16 inch thick instead of 1/4, so 33% less weight. I'm sure the F250 frame will be strong enough! Not willing to go with 1/8 inch F150 frame with a diesel engine though.

My engine will be a 6.9L, banks turbo, PSD intercooler, typ4 torque cam, (hopefully with those roller rocker arms ) ARP studs so I can shorten the wastegate actuator and run a little more boost. I've been following the water meth injection threads on the diesel forum and decided it's a BAD idea. Not worth the risks IMHO. I'll get my gains from gearing (ZF + GV overdrive) ditching as much weight as possible etc., I like the idea of more power but I draw the line when it comes to shortened engine life or risk of severe damage if a part fails.

Are you going to keep it a 2x4? I really hate the twin I-beam suspension because of how the steering wanders. My truck will be a 4x4 with D60 front axle, but if I were doing a 2X4 I still think I might get a mono beam for it, but that's just my preference of ride and handling. I'm not into high speeds. The diesel kind of kills us on weight but oh well. I am being told that the extra front end weight will get me stuck one day (dug into the axles) but if the ground is that soft it's really not a good idea to drive on it no matter what engine you have.

Hope you start a build thread on your new truck so I can follow it and steal your ideas
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Old 03-18-2012, 09:21 PM
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91dirtydiesel 91dirtydiesel is offline
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lol me and nmb2 will be making a build thread for it in the idi section. his 7000+ dually runs about a 15ish 1/4mi. his is a dedicated tow rig/ daily driver so he didnt go ***** out on it...he went reliability at a very impressive power level...we looking to get a bit more out of this one.

we have a few things to help with that but that is going to have to wait

yes it will stay 2x4 unless we find we need some more traction but that probably wont be an issue.

and 81choptop:

thanks,

that is the stance ill be going for but im going to stick with the regular box, little less flashy color and a stack

makes me wanna go get that truck now!!
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91 f250 7.3l - HE351VE turbo, R&D intake manifold, PSD intercooler, zf5 swap, Dana 60 swap, lift, tires, crossover steering, pillar gauges

13 chrysler 300S - 5.7l hemi, flowmaster dual exhaust, lmi air hammer CAI, diablosport trinity tuner, JET 180 thermostat, window tint
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Old 03-18-2012, 09:36 PM
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Quote:
Originally Posted by 91dirtydiesel View Post
lol me and nmb2 will be making a build thread for it in the idi section. his 7000+ dually runs about a 15ish 1/4mi. his is a dedicated tow rig/ daily driver so he didnt go ***** out on it...he went reliability at a very impressive power level
Sounds like nmb2 already made what I am trying to make except for the size.

Quote:
Originally Posted by 91dirtydiesel View Post
we have a few things to help with that but that is going to have to wait
Oh, oh, cliff-hanger... I see how you are!

Quote:
Originally Posted by 91dirtydiesel View Post
that is the stance ill be going for but im going to stick with the regular box, little less flashy color and a stack
Are you going to shorten 18" of weight off of it or keep it a long bed?

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Originally Posted by 91dirtydiesel View Post
makes me wanna go get that truck now!!
Makes me want you to go get it too!
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  #6  
Old 03-18-2012, 09:42 PM
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lets just say lots of fuel and lots of air...with supporting mods of course. with a badazz transmission behind it. and yes bed will be shortend...i just dont really like the stepside beds much
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91 f250 7.3l - HE351VE turbo, R&D intake manifold, PSD intercooler, zf5 swap, Dana 60 swap, lift, tires, crossover steering, pillar gauges

13 chrysler 300S - 5.7l hemi, flowmaster dual exhaust, lmi air hammer CAI, diablosport trinity tuner, JET 180 thermostat, window tint
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Old 03-18-2012, 09:50 PM
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E4OD won't loose boost in between shifts... you are going to smoke nmb2
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Old 03-18-2012, 09:55 PM
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Lol he will smoke him self haha he is the main brain behind this lol might be buying a new turbo as we speak
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91 f250 7.3l - HE351VE turbo, R&D intake manifold, PSD intercooler, zf5 swap, Dana 60 swap, lift, tires, crossover steering, pillar gauges

13 chrysler 300S - 5.7l hemi, flowmaster dual exhaust, lmi air hammer CAI, diablosport trinity tuner, JET 180 thermostat, window tint
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  #9  
Old 03-19-2012, 12:36 AM
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Boom got it! S366


Click the image to open in full size.
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91 f250 7.3l - HE351VE turbo, R&D intake manifold, PSD intercooler, zf5 swap, Dana 60 swap, lift, tires, crossover steering, pillar gauges

13 chrysler 300S - 5.7l hemi, flowmaster dual exhaust, lmi air hammer CAI, diablosport trinity tuner, JET 180 thermostat, window tint
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Old 03-19-2012, 02:24 AM
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That was fast! This may be a dumb question, but I have read a few performance IDI threads now, and not one of them used the Banks Sidewinder... is there a reason for that? I bought mine thinking it was one of the better units available for the IDI, but the performance crowd seems to avoid it. Is this true, or just coincidence? I know that out of the box it has low boost (safe for regular head bolts) but can be turned up, no?
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Old 03-19-2012, 02:38 AM
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91dirtydiesel 91dirtydiesel is offline
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The wastegated banks at ats kits are top of the line "kits" made for the idis. Efficient at around 10-12 psi safe to 15 (head bolts) capible of 20 but a lot of hot air. Good for 200-220 hp at the wheels and 400-450 tq. Much better than stock at 120-150 / 250-280 at wheels. That is good performace but not quite "high" performance. Better turbos home brew kits and other supporting mods will get u too the "high" performance. Fuel is a big factor there. Stock pump just won't produce it. With more fuel need better turbo
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91 f250 7.3l - HE351VE turbo, R&D intake manifold, PSD intercooler, zf5 swap, Dana 60 swap, lift, tires, crossover steering, pillar gauges

13 chrysler 300S - 5.7l hemi, flowmaster dual exhaust, lmi air hammer CAI, diablosport trinity tuner, JET 180 thermostat, window tint
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Old 03-19-2012, 03:01 AM
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Aaaah. Makes sense. I guess when I do a build thread on mine I will have to label it "good" performance IDI, not "high" performance IDI. When you say the Banks can make 20 psi but it's a lot of hot air, what do you mean exactly? Is it not good to run them there? Providing I put in the ARP studs when I re-build, where is the best place to set my wastegate? ...and best adjustment for the fuel screw on my (stock) pump? Sorry to hi-jack your bullnose thread and turn it into a diesel thread.
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Old 03-19-2012, 03:05 AM
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Out of turbo efficiency range, air is heated more then should be, plug wastegate, max fuel and mash the pedal is how you'll hit 20 lol
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91 f250 7.3l - HE351VE turbo, R&D intake manifold, PSD intercooler, zf5 swap, Dana 60 swap, lift, tires, crossover steering, pillar gauges

13 chrysler 300S - 5.7l hemi, flowmaster dual exhaust, lmi air hammer CAI, diablosport trinity tuner, JET 180 thermostat, window tint
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Old 03-19-2012, 03:07 AM
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Better to waste it after 15 psi? Still planning on studs for longevity...

Last edited by Ford F834; 03-19-2012 at 03:12 AM. Reason: accidental duplicate text
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Old 03-19-2012, 01:58 PM
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is the f450 (f superduty) 2wd front end stronger then the f250 2wd front end? anyone swap it?
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91 f250 7.3l - HE351VE turbo, R&D intake manifold, PSD intercooler, zf5 swap, Dana 60 swap, lift, tires, crossover steering, pillar gauges

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Old 03-19-2012, 01:58 PM
 
 
 
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