1991-1990, 940->760 Engine Swap. Known Problems?

shanes940to760 · Post by **shanes940to760** » 26 Jun 2014, 14:21

ok. so someone side swiped my 1991 940 se on the freeway spun me three times at 70 mph slammed into the center divider spun again, hit the wall again, one more time around into the wall and stopped in the middle of the freeway... we survived! they fled the scene. so. needless to say the car was totaled!

I found a 1990 760 with a beautiful body and a blown engine. I would like to know if there is any known no no's for just swapping the engine over. I love these cars! I've punched the cylinders on my 2.3 4cylder to 30 over. up graded to a new turbo... I just want the thing to run.... like it wants to!

so couple things...
1. where can I get a injector wiring harness diagram?
2. what makes the injectors pulse?
3. is the flywheel for injector pulse or not?

Post by **jimmy57** » 26 Jun 2014, 14:40

1. volvowiringdiagrams.com

2. the multiport fuel injection control module, Bosch LH 2.4 same for both of those vehicles. RH passenger footwell in front of door

3. the flywheel signal goes to the ignition control module, Bosch EZK on a bracket above brake pedal

I would be inclined to get the fuel and ignition control modules from the 91 and use with that engine.

lummert · Post by **lummert** » 26 Jun 2014, 14:47

They're basically the same car. I don't see any problem doing the swap. The 1991 Volvo 940 SE was a 960 Turbo in every market except North America. The 1991 940 SE is just a carry over of the 1990 760, but good luck finding any technical info on the car. I found the 1991 940 SE listed in Volvo service documents as a 1991 960 Turbo.

shanes940to760 · Post by **shanes940to760** » 26 Jun 2014, 14:48

jimmy57. volvowiringdiagrams.com oh my! thank you so much! I have been looking for a site like this. I didn't think to just type it in the browser window. thank you again!

93Regina · Post by **93Regina** » 26 Jun 2014, 19:41

shanes940to760 wrote:I would like to know if there is any known no no's for just swapping the engine over.

It's always nice to give specific details, like are both 4 cylinder engines?

2.3 L B23ET 173 hp (129 kW) turbo I4
2.3 L B230ET 182 hp (136 kW) turbo I4
2.3 L B230FT 156/165 hp turbo I4
2.8 L B28F 130 hp (97 kW) V6
2.8 L B280E 170 hp (130 kW) V6
2.8 L B280F 147 hp (110 kW) V6
2.4 L D24TIC 115 hp (86 kW) turbodiesel I6

lummert · Post by **lummert** » 26 Jun 2014, 21:50

One thing you didn't mention. Does that 1990 760 have a V6?