3rd gen to LS adapters
05-07-2014, 05:04 PM
#1
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Car: 87 Trans Am GTA
Engine: 408 LS
Transmission: LS 4L60E
Axle/Gears: 9 Bolt/3.70 Gears/TAP Girdle
3rd gen to LS adapters
Can anybody tell me what size adapter fittings I need to run the stock 3rd gen oil pressure switch and temp gauge sender? I'm putting them into a 2002 6.0L lq4 motor.
05-07-2014, 07:08 PM
#2
Re: 3rd gen to LS adapters
I think this is what you are looking for.
http://www.speedwaymotors.com/Auto-M...ter,20928.html
http://www.speedwaymotors.com/Auto-M...pter,8195.html
http://www.speedwaymotors.com/Auto-M...ter,20928.html
http://www.speedwaymotors.com/Auto-M...pter,8195.html
05-07-2014, 09:01 PM
#3
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Car: 92 Firebird
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Re: 3rd gen to LS adapters
Whats wrong with the LQ4 OPSU?
Using a 98 LS1 CTS will output an analog signal the stock gauge will read
No need for adapters
Using a 98 LS1 CTS will output an analog signal the stock gauge will read
No need for adapters
05-08-2014, 06:40 PM
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Car: 87 Trans Am GTA
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Re: 3rd gen to LS adapters
The 6.0 I bought didn't come with an oil pressure switch or temp sending unit. I have both from my tpi motor. That's why I was just going to use adapters.
05-08-2014, 08:17 PM
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Car: 1987 Trans Am
Engine: LQ9/L92
Transmission: 4L60E
Re: 3rd gen to LS adapters
I second pocket, especially regarding the CTS. If you're sticking with your factory gauges, you'd need two anyway - one for the gauge and one for the pcm.
As for the oil pressure switch, I ended up using my factory one because I snapped the truck one trying to install it and didn't feel like buying another one.
As for the oil pressure switch, I ended up using my factory one because I snapped the truck one trying to install it and didn't feel like buying another one.
05-08-2014, 09:48 PM
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Axle/Gears: 9 Bolt/3.70 Gears/TAP Girdle
Re: 3rd gen to LS adapters
I'm going to run the 98 3 wire CTS and run my stock tpi oil pressure switch. Thanks for the replies.
05-08-2014, 10:54 PM
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Re: 3rd gen to LS adapters
Drill/tap the port above the oil filter. It's pretty close to the right size already
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05-22-2014, 09:23 PM
#8
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Re: 3rd gen to LS adapters
I ended up using the 3 wire CTS and my factory oil pressure switch with an adapter. I had to drill and tap the adapter from 1/8 npt to 1/4 npt.
As far as the 3 wire CTS, where does each wire go? I know which 3 wires I need to hook up, I just don't know where they need to go on the plug.
As far as the 3 wire CTS, where does each wire go? I know which 3 wires I need to hook up, I just don't know where they need to go on the plug.
05-25-2014, 11:37 AM
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Re: 3rd gen to LS adapters
Top two are CTS. They are not polar, so you can't get them switched
Bottom goes to your gauge
Bottom goes to your gauge
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