Thread: LS swap advice
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Old 02-11-2026, 04:53 PM
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Gator67 Gator67 is offline
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Join Date: Jul 2009
Location: North Scottsdale
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I just finished an LS swap (stroked LQ4) in a '79 TA (TKX & 9"). A local shop here built a new driveshaft. The car is lowered and to get driveline angles right I shimmed the transmission a little and played with pinion angle (running a 4 link so this was easy). I ran the streamline into the port in the LS swap radiator from Cold Case. Other majors? I'm running Spal brushless/pwm fans in a thick shroud, which keep the temps under control even here in AZ in the middle of the summer with the AC blasting. I'm also running a Vaporworx ReturnX fuel controller...it adjusts pump speed based on demand using an external map sensor. This way the pump isn't running full blast all the time...it reduces heat and flow back through the return when demand is low. Not sure what headers you have but if the car is lowered you can run into ground clearance issues. Ended up with a set of long tubes from Ultimate Headers, they tuck up nicely. Finally, running a Mighty Mouse catch can PCV set-up and a Wegner accessory drive.

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