file 1969 Camaro Transforms From Big Block to Supercharged LT4 V8 at V8 Speed & Resto Shop

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15 Feb 2018 21:04 #4015 by oestek
oestek replied the topic: 1969 Camaro Transforms From Big Block to Supercharged LT4 V8 at V8 Speed & Resto Shop
This little corner requires a small piece to “connect the dots”.





Welds are all ground and metal finished.



The finished firewall will only require a touch of filler before epoxy and paint.








Kevin Oeste
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15 Feb 2018 21:05 #4016 by oestek
oestek replied the topic: 1969 Camaro Transforms From Big Block to Supercharged LT4 V8 at V8 Speed & Resto Shop
The LT4 is lowered back in place, and the fit is verified. It’s still a bit tight, and the harness will need to be held upward during install to fit cleanly in the new panel’s recess.






Kevin Oeste
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27 Feb 2018 17:09 #4017 by oestek
oestek replied the topic: 1969 Camaro Transforms From Big Block to Supercharged LT4 V8 at V8 Speed & Resto Shop
The LT4 runs a dry sump oiling system, meaning it does not have traditional oil pan holding the engine oil supply. Instead, the oil is stored in a seperate tank outside the engine and is pumped through the engine. The benefit is more consistent oil delivery during high speed turns and increased oil cooling and capacity. Also, the pump is more efficient and easier to service than a traditional oil pump.

The down side is the need for complex plumbing and an oil reservoir tank under the hood. Also, it can be challenging to bring the engine oil up to operating temperature in daily-driving conditions thanks to the higher capacity and cooling effects of remote tanks and plumbing.

Locating the tank can be tricky, as one must consider packaging under the hood. In a race car, you ideally want the tank to be “inside” the wheelbase of the car where you can place it to compliment the vehicle’s balance. However, packaging compromises can dictate otherwise.

In our case, we elected to install the custom Peterson Fluid Systems tank in the forward part of the passenger fender.



Baffle in the tank



The footprint of our tank is 7” in diameter. We cut a hole in the inner fender to accommodate the tank.






Kevin Oeste
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27 Feb 2018 17:12 #4018 by oestek
oestek replied the topic: 1969 Camaro Transforms From Big Block to Supercharged LT4 V8 at V8 Speed & Resto Shop
Note that this Camaro has an RS grille and hidden headlights, so we’ll have to address the light mechanism as we go.





We made an aluminum bracket to mount the tank retaining clamp.








The tank is barely visible peeking into the passenger front wheel tub.



[imghttps://lh3.googleusercontent.com/-UcXlnG2OhjI/Wo9QciFuaMI/AAAAAAAC2os/V0sSvdHoaG8Un2ZWl8VlsKVhAqVPI6WqwCHMYBhgL/s1600/1969%2BCamaro%2BLA_2018-02-22.0015.JPG[/img]



The tank will receive protective coating on the lower half.

Kevin Oeste
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16 Mar 2018 16:04 #4047 by oestek
oestek replied the topic: 1969 Camaro Transforms From Big Block to Supercharged LT4 V8 at V8 Speed & Resto Shop
Meanwhile, the crew did some bodywork on the custom firewall and prepped it for paint. A gray coat of epoxy provides corrosion protection.



It didn’t need much, but we skim-coated the panel with Evercoat Ultra filler and blocked it flat as can be.





After filler, the panel was sprayed with a polyester filler, and block sanded some more.



The polyester is blocked until flat, removing any sanding scratches or marks left from the previous steps. It is sanded to 220 grit, and then brought back to the booth for some 2k high-build primer and more block sanding.



The seams were also sealed to prevent corrosion.




Kevin Oeste
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16 Mar 2018 16:05 #4048 by oestek
oestek replied the topic: 1969 Camaro Transforms From Big Block to Supercharged LT4 V8 at V8 Speed & Resto Shop
After the primer was sanded to 600 grit, Jeff sprays a satin black urethane on the firewall.





Once the paint dried, the satin finish was revealed.




Kevin Oeste
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