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Old 03-11-2021, 04:37 PM   #51
283SD
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If you are going to do this conversion find the cleanest car that you can, you don't want to deal with rust and the swap. Any year will work, I like the early models w/ 4 head lights. I could go on with the details of the swap, but it would take up the whole page.
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Old 03-16-2021, 04:30 PM   #52
Volvo240Powerglide
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Feel free to drop details on the swap I'd love to hear all of it. My Tacoma is in the shop right now getting a new head gasket (ouch) and once that is done I'll have more time to interact on the thread.
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Old 03-17-2021, 10:51 AM   #53
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You will need to alter the cross member at the rear, notch it and reinforce it [to clear the oil pan] so you can get the Chevy in lo and as far back as you can. I used an old style "window dist" to get firewall clearance. Depending on the year Volvo the steering shaft will be an issue with the left side exhaust, early cars had a smaller shaft. On the right side getting the exhaust around the starter will be an issue with block huger headers. Custom exhaust system,stock manifolds work well, I milled the left side on an angle to tuck it in closer to the block to clear the steering before I went with block huger headers. Custom radiator, I have two pusher fans with a thermo switch and an over ride in the cockpit. You will need to reverse the shift linkage on the PG If you want to you the stock shifter. A new drive shaft will be needed/adapted. Wiring is not, hard use the stock temp sender with a modified fitting, alt works[GM] the same way as the Volvo, starter wire,oil pressure same deal. It is not hard but you will need to fab parts, some where I have the patterns for the motor mounts. PM me for more info.
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Old 03-17-2021, 11:09 AM   #54
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Here's the steering shaft I used on my LS swap: https://www.walmart.com/ip/COLEMAN-M...-118/180080655

The stock shaft is bulky and has a rubber isolator - I figured even if it didn't touch that the heat would eventually break down the rubber.

Might as well go 'full width' on the radiator - the 240 radiator only fills part of the space in the radiator area on a 240. I used one of these: https://www.northernradiator.com/HIG...ACE_PRO/209622
Pretty much a direct bolt in. They have a 'Chevy/GM' version that's the same other than the high/low hoses and filler cap being on opposite sides. I needed the 'Ford/Mopar' style because I have a couple of wastegates down low on the passenger side - can't have a radiator hose there too.
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Old 03-17-2021, 12:28 PM   #55
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When I had my radiator Custom made HD 4 core, I used the full opening of the core support opening, GM upper and lower hose fittings, I run a remote expansion tank with a filler plug on the radiator. I also had a dead end tube put in on the upper hose side to put the temp sensor in to turn on the fans with an override on the dash.
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Old 03-17-2021, 12:52 PM   #56
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I kept my Turbo expansion tank off to the side, and a plain non-pressure cap on the radiator.

And rather than try to find hoses that would work, I just pieced mine together with silicone couplers and bits of aluminum tubing. With a couple of sensor adapters along the way - one to turn the fans on and off (also have a dash switch), and one for the Volvo temp gauge sender.
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Old 03-29-2021, 12:00 AM   #57
Volvo240Powerglide
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so @283 the sensor would read temperature and turn on the fans? did I get that correctly? what is the purpose of the override switch?
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Old 03-29-2021, 12:00 AM   #58
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Also are you guys running oem gauges?
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Old 03-29-2021, 12:37 AM   #59
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I retapped the sensor adapter in the radiator hose for the stock Volvo temp sender. There are two on the Volvo motor, one with two leads for the ECU, one with a single spade connector for the gauge.

Tachometer running from an output on my Megasquirt, set to 50% scaling.

Aftermarket oil pressure gauge that I was using on the Volvo motor is on the LS motor - just used an adaptor for the sender in the LS motor's normal oil pressure spot.
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Old 03-29-2021, 08:18 PM   #60
283SD
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Originally Posted by Volvo240Powerglide View Post
so @283 the sensor would read temperature and turn on the fans? did I get that correctly? what is the purpose of the override switch?
The fans will come on automatic with the sensor in the radiator, the over ride is so that I can turn them on before the sensor does, example, If I see traffic stopped, long wait at a light, waiting to get through a toll booth,at the bank drive up etc.
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