markate Posted January 20, 2015 Report Share Posted January 20, 2015 Katie and I picked up a Roadster in San Diego with the A14 swap. We have been pleasantly surprised with what is in the car and what we bought it for. Anyway.... We have a issue we would love some help with. First, the car does not have a heater. We noticed the valve that sends coolant to the heater (the one with the lever mounted on the firewall) was leaking and replaced it with one of the valves we had sitting around. This replacement valve is stuck in a nearly closed position. We started to run the car and ran into overheating issues. We figured it had to do with the stuck valve which we can replace, but were wondering if there were any risk of bypassing the valve and feeding back into the block. Quote Link to comment
67_1600 Posted January 20, 2015 Report Share Posted January 20, 2015 No harm at all in bypassing your heater core. It's pretty common actually when cores go bad and replacements aren't easily found. Quote Link to comment
Stoffregen Motorsports Posted January 20, 2015 Report Share Posted January 20, 2015 It's better to plug the tubes individually instead of connecting a hose to both. In racing or high performance condidtions, the circuit made by the bypassed heater core makes a hot spot in the block and can cause tuning issues and overheating. Quote Link to comment
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