Apollo Racer Build Thread, Numeric 981 Shifter Upgrade Options

[rnellums]

I am starting this thread to document the build of my recent acquisition of a car I am going to name Apollo. It was previously owned by a fellow out in Illinois and was sold to me via 914 LTD. From what I know It was a purpose built Auto X car, but only has about two hours of run time on the engine.

Here are the specs as I received it:

Exterior Mods:

• Factory Steel Flares
• Newish Silver Base/Clear
• Fiberglass 916 Style Front Bumper
• Fiberglass Stock Style Rear Bumper
• Fiberglass Hood With Headlight Delete
• Fiberglass Trunk
• Fiberglass Painted Rocker Panels
• Painted Targa Top
• Lexan Rear Window
• Lightened Door Skins
• Original Doors, Hood, Trunk
• No Wipers, Headlights
• Rear Porsche Reflector

Interior Mods:

• Koenig Race Seats
• RaceTech Leather Wheel
• Amco Console with Assorted Gauges
• Welt. Short Shift Kit
• Bolt in Cage with Door Bars
• Simpson 4 pt. Harnesses

Suspension Mods:

• Rich Johnson 5-Lug Conversion
• Front Volvo Big Brakes
• Front Vented Rotors
• 911 Front Struts
• Koni Adjustable Shocks
• 914-6 Rear Rotors With Stock Front Calipers
• 22mm Front Torsion Bars
• Welt. Adj. Front Sway
• 180 lb Springs w/Adjustable Perches
• Hoosier Road Race Radials

Engine Specifications:

• Front Mounted Oil Cooler
• 2.4 L 4-cyl built by ROCS auto
• 103mm J+E Forged Pistons
• 1.8L Stroked to 2.0 Specs
• 48mm Intake
• 38mm Exhaust
• Chromoly Pushrods
• High Flow Oil Pump
• MSD Ignition w/ Adj. Rev. Limiter
• 44mm Dual Webers
• Lightened Flywheel
• Kennedy Engineering Stage IV Clutch
• Ported, Polished Heads with 10:1 Compression
• Port Matched Manifolds
• Kerry Hunter Headers
• Claimed 180 HP
• Claimed 170 ft-lbf Torque

Transmission Specs:

• Recent Rebuild by 914 LTD
• Quaffe Torque Bias Diff
• Shortened 5th Gear

Misc:

• 5 Gal Fuel Cell
• New Bearings and Bushings
• Blue Brake Fluid
• 8x15 Fuchs
• Claimed 1600 lb Weight

And Now the pictures!

[76-914]

Yup, looks like your right and I may have over thought this entire thing. Because after looking at both I see no difference, essentially. After all, I have cut most of the wires out of R-122 and the only ones necessary are those to the pump and pump relay. The relay needs to be on a switched and fused circuit and as I see it the rest will follow. (IMG:style_emoticons/default/beerchug.gif) Which brings me to: what the Hell does it do, exactly? If it controls anything it must be on/off. Because as I understand it the pressure is regulated at the rail, not at the pump. What say's the collective on this matter? Might have to take this one to a Suby board and get flamed. (IMG:style_emoticons/default/hissyfit.gif)

[Chris H.]

Yup, looks like your right and I may have over thought this entire thing. Because after looking at both I see no difference, essentially. After all, I have cut most of the wires out of R-122 and the only ones necessary are those to the pump and pump relay. The relay needs to be on a switched and fused circuit and as I see it the rest will follow. (IMG:style_emoticons/default/beerchug.gif) Which brings me to: what the Hell does it do, exactly? If it controls anything it must be on/off. Because as I understand it the pressure is regulated at the rail, not at the pump. What say's the collective on this matter? Might have to take this one to a Suby board and get flamed. (IMG:style_emoticons/default/hissyfit.gif)

Yeah I'd be surprised if there is a separate "controller" for the fuel pump, what R122 might do is monitor the tank sensor, solenoids and stuff shown in the diagram which you won't use. Maybe the pump won't run if the tank pressure is too high which R122 is in charge of monitoring (IMG:style_emoticons/default/confused24.gif) ? Ya know, stuff like that.... On the SVX the power to the pump is controlled by the ECU. You run it through the relay then to the pump. Simple, just need "on" or "off" I think but you have a different car so I could be wrong. If you still want to ask about it 25RS is a much kinder place than NASIOC. They do swaps there too.

[Chris H.]

Double post! Dang ipad! (IMG:style_emoticons/default/hissyfit.gif)