Propane Powered SAS Resto Project

[LPG PWRD]

Overview:

Engine-
Good ol' 2 piece rear main seal block, custom 13.5cc dome JE pistons, comp cams roller conversion w/ fully roller rockers, dart iron eagle platinum heads, LT1 powdered rods. The engine has a 13.2:1 compression ratio.... gotta love propane

Trans-
NV4500 w/ 6.34 first gear

Tcase-
241 Passenger Drop 32 spline w/ JB SYE kit

Front axle-
Dana 60 (chevy) King pin axle, 5.13 superior gears, lock-right locker, warn premium lockouts, all new everything.

Rear axle-
14 bolt full floater, 5.13 yukon gears, detroit locker, disc brake conversion (3/4 ton fronts), all new everything.

Tires-
ProComp Xtreme AT's 38.5x14.5x18 (for current setup)

Rims-
Eagle Alloy 197 18x9 superfinish

Sas kits-
ORU solid axle conversion kit 32.5" SPW (that i have had to redo to my liking)

Steering-
ORU crossover steering, hydralic assist, ORD heavy duty rod ends w/ custom 1 1/4" x 1/4" wall DOM tierod tube

Exhaust-
92 camaro long tube headers w/ 3" collector, 3" true duals, and flowmaster delta 40s, getting side outputs infront of rear tires, no cats... its a clean burning fuel

Interior-
Head unit face mounted in overhead console, Permanent flush mounted GPS, rear will have one centered bucket seat with recovery storage on each side in custom locking units.

Body-
The cab is being coated with "firewall" by second skin inside and outside on the firewall. The underside and full interior will then be coated with Spectrum by second skin, to sound deaden, insulate, and protect against rust. TYC Elegante housings with McCulloch HID's. All front end sheet metal body parts are brand new GM OE parts.

(I will edit this post as things get added/changed)

 

[LPG PWRD]

What got the project started.... In school at University of Northwestern Ohio, I built a 358 SBC w/ 13.2:1 Compression ratio that is a dedicated propane fueled engine. Now getting it to work in the truck needed new trans due to it being a 4l60e so it was cheeper to get a NV4500. Then just snowballed from there.

Truck specs stock:
1994 GMC K1500 ECSB 350TBI 4l60e
First chitty cell pic of it, and the only one I could find now.

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Then she got a 3" BL and some 33" BFG AT's
No pic

Then a 6" Trailmaster but still ran the 33"s, Still had too much tread to just pitch em..

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Yea I know gay pic, dad made me stand there like a ******. I wish I could p-shop my fat ass out

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Let the tear down begin

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Let the clutter begin

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More tear down

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New rear xmembers so I can mount the LP tanks in there and tuck them

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Was mocking up and figuring out how to mount dual shocks on ladder bars

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Crossmember for ladder bars... Outers are 2.5"OD 1/4" wall tubing, Center is solid shaft with slight tapper to give the driveshaft some more room

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Upper control arm and shock mounts

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went bye bye

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My version of frame ties to prevent some twisting, didnt want to fully box it, think boxing would collect too much junk.

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rear upper shock mounts... were going to work with ladder bars... but the ladder bars have gone by the wayside, hope those still work some how with where ever i decide to put the rear shocks

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[LPG PWRD]

The newly painted frame and axles.

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New xmember w/ ladder bar mounts, even though i am not running the ladder bars, just thought the crossmember was too beef to just dump it

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D60 and 14BFF

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Its a slow process since I can only go out to work on it on the weekends, and the woman gets pissy when I do that. Oh well.
re-arched read 1 ton springs

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wire brush + hours + paint =

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front springs installed

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LP tank getting brackets

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[LPG PWRD]

The tank mounts taking shape, Off road design shackle flip, diy4x4 7" shackle

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The tires that are going on the truck for now. 38.5x14.5x18 ProComp Xtreme A/Ts

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The engine...

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The NV4500 getting new bearings, seals, and syncros

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[LPG PWRD]

The passenger drop NP241C got split open for the SYE kit before going on the truck

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Good thing I split it, it has some bad shift fork pads

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Found a mess in the oil pick-up tube

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[LPG PWRD]

Motor and trans installed

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Using headers for the truck (94 K1500 350tbi), found that they hit the rearward leaf spring hanger

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even before tightening the flange, which would pivot it up into the hanger even more

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The wheels and tires got mounted up... 38.5x14.5x18 procomp xtreme at on 18x9 eagle alloy 197's

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Made a trans spacer to get carb mounting flange level

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Then tried on some camaro headersU had laying around to see if they would clear the sas brackets...

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Turned out the Camaro headers are really close to working


Also install the third and final option for headers. They are a set for 78-86ish straight axle trucks.

Driver side

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Passenger side

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So the conclusion is that I will be running the 3rg Gen Camaro headers.



The 14Bff sitting under the truck.

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Mounted up the NP241c

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Found that it needs to be clocked up something fierce


Started running the stainless steel brake line to the rear

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[LPG PWRD]

Ordered a ceramic coated version of the 3rd gen camaro headers that fit and installed them..

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These ones clear the frame, but need the weld grinded on the collector..

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Also made some rear ubolt plates... I figured that 3/4" thick would work since the ORU's are 5/8" thick, got them drilled but I forgot the hole for the damn center pin

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comparred to the ORU 5/8" thick plate

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Had to do some serious clearancing of the front right ORU spring plate.

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D60 under it

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1 1/4" x 1/4"wall tubing tie rod

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Warn Premium hubs

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DIY4X.com razor back diff cover

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Clocked the tcase

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Drilling and tapping the gear box for the hydraulic ram hoses

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Tapped gear box mounted

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Overall as of then

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[LPG PWRD]

Body went to a co-worker's house to start getting the body work done... New cab corners and fresh paint on the way

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New cab corners, trim removed, getting ready to go to paint..

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Interior stripped out to get sanded and then coated with second skin spectrum once its back from paint

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[LPG PWRD]

Made some stainless body spacers since no one sells a 1.5" BL. (3" OD x 1/2"ID x 1/2" tall)

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Driveline parking brake starting to take shape

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Drilled the holes to mate to the flange, 4.25" bolt pattern...


Finished Product

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Mounted up for test fit of the rotor on the SYE kit and ujoint flange...

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Mounted up the fuel lock off/filter housing

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[LPG PWRD]

Exhaust mock-up...
3" mandel bent tubing, flowmaster 40 series.. once i get the bed on, i can figure out where i can dump the pipes

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Mocked up the exhaust with a side pipe idea

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