Discovery 2 LS Conversion
#1411
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SPort mode plus early trans computer is a major improvement. Highly recommend. I also determined the the ls throttle body cable cam is not even close to the right ratio for the pedal. The most I could get out of that combo was 56% throttle. Got a Rover throttle body, robbed one of the cable cams off of it, drilled and tapped the LS cam so I could bolt it on and it's perfect. 99% throttle achieved.. There was also a suggestion made here or maybe on the FB page about smoothing out the IAC port inside the throttle body to reduce the air noise coming through the intake. This isnt really necessary. You can just use the idle stop screw to crack the blade open more. The computer will adjust to its set RPM by using less bypass air (IAC) since it's getting more air with the blade cracked. Works like a charm.
#1412
The following 2 users liked this post by CPTKAOS:
04disco2va (04-27-2023),
Boostle (04-27-2023)
#1413
The following users liked this post:
04disco2va (05-01-2023)
#1414
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Nice. Thanks. Yea I have a 102mm aftermarket TB. This gives me a good idea of what needs to be done. I think I'm gonna tig weld mine on.
#1415
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yeah so same prob on yours. Cam is steel and TB cam is aluminum. I guess you could tig it to the shaft. I wanted to be sure of placement. I stuck it on with self tappers to test everything. Then tapped the holes and used machine screws.
#1416
#1417
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Also curious if anyone has figured out how to program the GM ECU to turn the fans off after a certain highway speed is reached.
I've tried searching for that and couldn't find a solution. Seems like the only way to control the fans is related to the coolant temp.
Nothing around the speed that the car is travelling. I assume that the head-on force of air coming in through the grill would be quite strong and the fans would struggle against it?
#1418
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For now I've played with the timing a bit where I've reached a happy medium so it doesn't stall 90 percent of the time but I'd definitely would like to bump the rpm up to around 1000. I have the chuck Norris cam as well.
#1419
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I've been searching on Google on how to do for a long time. Do you mind sharing?
For now I've played with the timing a bit where I've reached a happy medium so it doesn't stall 90 percent of the time but I'd definitely would like to bump the rpm up to around 1000. I have the chuck Norris cam as well.
For now I've played with the timing a bit where I've reached a happy medium so it doesn't stall 90 percent of the time but I'd definitely would like to bump the rpm up to around 1000. I have the chuck Norris cam as well.