Month: May 2015

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Update 6/1/15

atarzan

I painted the coolant tubes and installed them using t-bolt clamps and silicone hoses. I made mock up axles using the outer GM CV joints and inner Audi tripod joints.  Dutchman is going to make a set of chromoly axles from the inner/outer axles that are tack welded together. I installed the replacement fuel rail (mine was bent) and new o-rings on all eight fuel injectors. When I disassemble the rear suspension to remove the axles for Dutchman, I can paint a few areas of the rear chassis and remove several brackets that are no longer required. Continue reading Update 6/1/15

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Update 5/15/15

atarzan

Here are a few pictures to see where I’m at. Pinninfarina did an amazing job with the rather plain Scorpion. Due to the larger than stock diameter of the front wheels, I had to position the wheels slightly forward from the normal location otherwise the tires would rub on the chassis at full bump. I need to move the body wheel openings forward a corresponding amount because currently the tires are rubbing on the body. This has the benefit of reducing the front overhang. I will use the body crease in the fender as reference, cut out a section of … Continue reading Update 5/15/15

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Update 5/13/15

atarzan

The rear spring rate seemed a little soft and the rear was still sitting a low even after 2 inches of preload. I calculated the effective rate based on the shock mounting offset and I’m only getting about 55% of the actual spring rate. To achieve my target of 325lb rear rate I had to upgrade to heavier springs. I installed a set of 550lb springs and with 1″ of preload the ride height looks perfect. I ordered a set of used Audi axles. The plan is to cut the Audi axles in half and mount them on the inboard … Continue reading Update 5/13/15

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Update 5/6/15

atarzan

I have new Koni coil-over shocks for the front, replacing the Aldan American ‘hot rod’ shocks. The Koni 30 series front shocks match the rear and are revalvable and adjustable. The Koni front shocks are slightly longer than the Aldan shocks so I need to move the mounting bracket up about 2″ where it is welded to the sub-frame. I purchased new upper shock brackets for the front and rear. The new rear brackets will look nicer than what is currently there. Next time I work on the car I will finish changing out the front shocks, installing the revised … Continue reading Update 5/6/15

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Update 5/3/15

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I welded all the exhaust seams. It’s not my best looking welding but considering how many times I adjusted some of the tubes at least the welding is strong. The exhaust is painted with hi temp paint and installed with gaskets and copper coated flange nuts. The mufflers are supported by rubber isolators at the rear of the chassis. I’m wrapping the exhaust and then I will mount the polished stainless tips. Continue reading Update 5/3/15

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Update 5/1/15

atarzan

I changed the collector/reducer from a ball style to a flange end. The flange style definitely seals better even though the stock headers have some sort of ball end. I installed the muffler turnouts and the exhaust tips. The tips are not welded yet as I need to trim the length. I keep wondering how many more times I’ll need to remove the exhaust assembly—at least one more time to finish welding a few spots, spray the exhaust with hi temp paint and wrap the tubes using DEI Titanium header wrap. Continue reading Update 5/1/15