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1971 Chevrolet C-10 Shortbed Fleetside Pick-up TruckJohn Harlowe's Moonlight Engineering |
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| 1971 INDEX | 1971 BODY / PAINT | 1971 INTERIOR | 1971 MECHANICAL | 1971 PHOTO PAGE |
![]() PHOTO 22 : CLICK TO ENLARGE |
The photo above shows remainder of the Quiet Ride Solutions floor kit [ the "blue strips" shown in the photo are the adhesive covering for the DynaMat vibration reducing material included in the Quiet Ride kit ] , the Hurst automatic floor shifter, the Wise Guys seat tracks with risers and of course the Factory Service Manual. The interior has now entered the mock up stage. |
Mock up of interior begins with routing the rear cab light harness ; the harness follows the same route as the factory harness did. The new harness has more feeds than the OEM harness due to the additional console courtesy lights ; to be installed a little further along in this project. The courtesy lights will be set to operate automatically on a door ground switch, however, there is a cut off toggle for the circuit should the doors be open for an extended period of time ; like at a show or a meet. This fabricated harness, as with all other wire harness fabrication for this vehicle, is color-coded and has a detailed schematic, and is placed in the service manual for this vehicle as a reference. Little details. |
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A little mock up tease...I don't care too much for carpets that have been cut or slit to clear brackets and mechanical access portals. The cuts and slits stretch and degrade the form fit of the carpet over time. The integrity of the carpet holds much longer when the carpet is brass grommeted for mounting holes and access ports. This is a tedious task to perform as it entails many trial fits of the carpet to have the various grommet punches align with various mounting holes properly. However, the effort is well worth it when one considers the end result of grommets vs the cut n slash approach. The seat in the photo does not have the tracks or risers installed on it as of yet. |
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Ok...enough tease...it all comes out again.Before continuing with the Quiet Ride Solutions damper / insulation install and the driver side firewall pad, several different mechanical aspects of this particular build need to be tasked. The mounting lugs for the Hurst Pro-Matic 2 Ratchet Shifter need to be installed in the floorpan tunnel along with creating the shifter cable access hole, this has to be done so that the insulation can be punched at those points. A tedious task, yes, and that is why it ends up as a quiet ride. However, before mounting the shifter, the seat needs to be on its tracks and risers and bolted to the floor.After installing the tracks and risers on the seat, I centerlined the cab frame steering column port to the driver area floor and trial fit the seat for optimal fore / aft moment and recline position. Once it was dialed-in I scribed the footprint of the track into the floorpan. Then I fabricated the seat mount / pan reinforcement bars out of 1/4 inch steel plate. These bars, of course, install under the pan with only the studs entering the interior and are the same length / width as the seat mounting foot. Since this was a bench seat truck, the OEM seat mountings do not align with bucket seats. The function of these bars copies the factory mount technique by clamping the seat foot to the floor pan and thereby distributing seat weight while strengthening the pan structure. In other words, if by some odd quirk of misfortune this vehicle were to be involved in a, let's say, high speed roll-over accident ; the seats will not rip-out of the floor. OEM style seat reinforcement along with, wearing a proper personal safety restraint, significantly reduces the chance of being ejected from a vehicle during a roll over. I already have 95 percent of the parts for this vehicle build, however, the restraint system is part of the 5 percent of parts I have as yet to acquire. I'm leaning towards Simpson due to the fact they have restraint systems utilizing the factory seat belt mounting points. The 1971 has a OEM three-point system. More on this later as I get closer to that finishing touch stage of the build. |
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Then it all goes back in again.Now that the seat is bolted in, the console and the shifter positions can be mocked-up for optimum reach / access and their respective positions scribed to the floorpan. Since this Hurst shifter functions either as a drop-in-drive or a ratchet, I temporarily re- installed the custom TEMPERATURE gauge pod that I created for this vehicle build : the pod contains AutoMeter Pro Comp electric Water, Engine and Transmission 2 5/8 inch gauges.[ more on this later in the mechanical section of this web site. ]The position of the shifter needed to have ample hand clearance for PRND21 selection, in both normal and ratchet modes. between the gauge pod and the console ; along with a comfortable shifter knob hand-rest in D. This process entails quite a bit of mock-up positioning of the shifter assembly in the various selector positions. A time consuming task that is required to find the optimum mounting location. |
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The gauge pod is designed with a male / female quick disconnect wire harness. This concept bundles the engine sensor harness in one neat package so the wiring is harnessed and not strewn about the under-dash like so much "spa get tee". Removal and installation of the pod is simply a matter of disconnecting the electrical plugs and removing two mounting bolts. It is a custom trick item that complements the information contained in... |
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...this fully loaded gauge cluster. There will be some redundancy : that being, WATER TEMP in the cluster and pod, OIL PSI in the cluster and a fourth AutoMeter 2 5/8 Pro Comp gauge. More on the reason for this in the MECHANICAL section of this web site.
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The Hurst shifter has a switch for start in P or N only and to activate the B / U lighting. OEM design has 12 ga. wiring for the P / N and 14 ga. for the B/ U. Rather than run the electrical load through the Hurst switch, I decided it was in the best interest of switch longevity to run the loads through relays. Shown are the Hurst shifter, the fabricated quick disconnect wire harness and the modification to the OEM harness. Even though not necessary for the B / U lighting, I am still going to run that load through relays. The shifter is designed to be removed and installed by disconnecting the wire plug at the shifter, removal of 4 mounting bolts, the shift cable bolt and the shift cable clip. It is easy enough to do, however, the only reason to do so would be to replace the weak link in the Hurst system ; which would be the P / N B / U switch at the shifter. Running the load through relays should result in years of service from the Hurst switch. This shifter quick disconnect wire harness is placed and secured on top of the Quiet Ride insulation. |
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Vibration dampers in place on driver and front tunnel floorpan. |
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Floorpan tunnel insulation installed. |
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Driver area and front tunnel insulation complete. Note service access for cab mount bolt. Poly mounts have already been installed on this truck replacing the OEM rubber, so it is very doubtful that they would need to be replaced. However, the access for the cab mount bolts would just be a matter of removing the carpet and the insulation will remain intact because one would not have to cut it all up to gain access to the bolts if need be. Little details. |