file 1969 Chevrolet Corvette LS3 T56 6-Speed Conversion at V8 Speed & Resto Shop

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01 Oct 2017 09:43 #3912 by Qball
Qball replied the topic: 1969 Chevrolet Corvette LS3 T56 6-Speed Conversion at V8 Speed & Resto Shop
I may be getting jumping ahead a bit from where you are in presenting this build to us, but, on the V8TV splash page, you show different wheels on this beauty. They look like a larger version of a Chevy rally wheel. Can you dish on these, yet or do we need to wait on an update?

-Mike

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02 Oct 2017 11:37 #3913 by oestek
oestek replied the topic: 1969 Chevrolet Corvette LS3 T56 6-Speed Conversion at V8 Speed & Resto Shop
Yes, we did end up changing the wheels. Those are YearOne Corvette Rallys in a 17" size. We really dig 'em. We'll have more info in the story, but that's the "dish".


Kevin Oeste
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27 Mar 2018 15:39 #4052 by oestek
oestek replied the topic: 1969 Chevrolet Corvette LS3 T56 6-Speed Conversion at V8 Speed & Resto Shop
Scotchlock connectors everywhere! The original harness was labeled for reference.



Stock console removed leaving the 4-speed handle and the emergency brake sticking up.



At this point, we’re not sure if we’re going to use the actual original center console or make a new one to fit our new transmission, but we aim to keep the look.



The hood is taped to protect the edges during removal.





Tired 350 looks anxious to come out!


Kevin Oeste
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27 Mar 2018 16:35 #4053 by oestek
oestek replied the topic: 1969 Chevrolet Corvette LS3 T56 6-Speed Conversion at V8 Speed & Resto Shop
The fluids are drained, wiring disconnected, and the engine and transmission were unbolted from the car.









Hooker chrome headers and side pipes removed. The owner wants a set of side pipes, but we’ll have to see what we come up with for the LS3.



Speaking of which, the new GM Performance Parts 485 HP LS3 crate engine arrived safely.


Kevin Oeste
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27 Mar 2018 21:31 #4054 by oestek
oestek replied the topic: 1969 Chevrolet Corvette LS3 T56 6-Speed Conversion at V8 Speed & Resto Shop
This Corvette is a roadster, but the owner also wanted the option to cool off with the help of air conditioning, so we chose a system from Vintage Air to make it happen. Corvettes were offered from Chevrolet with big block V8s and A/C, making a small engine bay even smaller. An advantage of the Vintage Air system is that it was designed to fit under the dash, freeing up valuable space under the hood.



The Vintage Air Gen IV system is mostly self-contained, with the A/C evaporator, the heater core, the blower fan, and the servo-controlled blend doors all in the same unit. This allows for an easier installation and smaller footprint under the dash.



The kit also comes with a condenser coil, brackets, lines, and a reciever-dryer to mount on the radiator.


Kevin Oeste
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27 Mar 2018 21:32 #4055 by oestek
oestek replied the topic: 1969 Chevrolet Corvette LS3 T56 6-Speed Conversion at V8 Speed & Resto Shop
But one of the most versatile aspects of the Vintage Air Gen IV system is the servo controls. These integrated stepper motors are controlled remotely to change the internal cold / hot temperature blend doors, as well as the passages sending air to the floor, dash vents, and defrost ducts.



In this shot, you can see the two white adapters attached to the original Corvette heater controls. Initially, we thought we were going to use this configuration, relying on the original Corvette slider controls to actuate the servo controllers of the Vintage Air unit. However, space constraints with the 6-speed transmission made us choose a smaller Vintage Air controller for the inputs. However, we’ve modified the black knobs by spinning them down to give them an appearance that more closely resembles the chrome-ringed knobs of the original.





The Vintage Air evaporator unit bolted into the Corvette’s dash using the supplied bracket.



Looking at the firewall, the only intrusions are the hard refrigerant lines and the fittings for the heater hoses. Note the block-off plate for the original blower fan in the upper left under the fender.



The condenser bolted in front of the radiator.


Kevin Oeste
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