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1971 Oldsmobile Cutlass "S71"  The original owner wanted a 442, but the pricetag on a 442 was a little out of reach, so this 1971 Oldsmobile Cutlass S was ordrered new with every 442 option except for the 455 Olds engine. It's got the bucket seats, 4-speed, Outside Air Induction fiberglass hood, sway bars, disc brakes... and a 350 4-barrel. It's an interesting car, and here's where the journey back to greatness begins. Our transformation includes building an Olds diesel-block based stroker motor with the help of BTR Performance , a Bullseye Power turbocharger, FAST XFI fuel injection, a Tremec TKO 600 5-speed, and a pro-touring style suspension and brake package. Follow the build here!
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 Bare steel bodies are cool to look at, but it's time to start the bodywork phase on the S71 Olds. This time, we sprayed the underside of the car with PPG DCX 1791 etch primer and then DP90 epoxy primer. Our painter Randy uses SATA spray guns and 3M safety masks and gloves with this stuff. DP90 is black and tough, so it will form the base on the bottom of the car body. The next step is to brew up some DP60 - a blue version of the same stuff - to shoot the inside and outside of the body. Then the filler work begins!
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 We completed most of the metal repairs on the "S71" Oldsmobile, but we knew there would be a few more surprises when we got the car body back from the media blaster. Sure enough, the paint stripping process revealed a couple small holes in the floor, but nothing major. This car was treated to both plastic media blasting and glass bead, and you can see the difference in the clean steel left behind.
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 The original dash panel was pretty rusty on our 1971 Olds "S71" project. These cars tended to hold water and moisture under the stainless windshield trim, and that would cause big rust holes to form under the trim, and then the driver's feet would get wet. The sheet metal to repair this area is not yet reproduced, so we contacted Desert Valley Auto Parts to have a section removed from a rust-free parts car to install in our Oldsmobile.
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 The quarter panels were next on the list of repairs on the "S71" Olds project. We were contemplating this area for a while, as the original steel had some rust in the wheel well lip and along the bottom edge, but it was otherwise in great shape. We elected to do a minimally-invasive repair and use part of a replacement quarter panel skin from YearOne to do the job.
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 This video covers the installation of a new 3-piece trunk floor and inner and outer wheelhouses from YearOne. We also installed a rear tail panel obtained from Desert Valley Auto Parts, which was removed from a rust-free donor car in Arizona. The install is pretty straight forward, and Randy Stange takes us through the steps and the tools needed to do the job and have an undetectable repair when finished. He used traditional MIG welding and the HTP Quickspot II spot welder for a clean installation.
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 We've talked about the welding techniques used from the factory in another video, and now here's a demonstration of how to make clean plug welds with a MIG welder or how to make factory -appearing resistance spot welds using the HTP Quickspot II spotwelder.
All the welding tools - the MIG welder, the spotweld tip for MIGs, the Quickspot II welder, and the punch / flange tool - even the helmet and gloves are available from HTP America.
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 The V8TV crew has been making improvements to the S71's chassis, namely adding reinforcing steel in areas where the original frame was "C" shaped to completely "box" the design. This will help the chassis resist flexing and improve overall handling and traction. One design modification was the need to re-engineer the transmission crossmember, as it no longer will use the original mount holes because their access was closed off with the reinforcements. Once the chassis was welded solid and ground clean, it was treated to a single stage enamel paint coat in a satin-black factory appearing sheen.
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 After the chassis was media blasted, the guys took the welders, grinders, and sanders to the frame to clean-up what the factory left behind. They welded up unfinished factory seams, ground off excess welding slag and started measuring to add additional steel to "box" the original frame for strength. They also try out the new HTP micro belt sander to clean tight areas.
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 Here's some crappy camera-phone shots of the "S71" Oldsmobile's frame after returning from the media blaster today... we were pleased to see the frame is in great shape, with the original stamped numbers clearly visible on the rear side rail. Soon, we'll be adding some supports and boxing this frame to give it some additional strength.
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COMING SOON!
Door Skin
Replacement
How-To on
1968 Camaro!
S71 First Start
Video!
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