Hybrid Rex/bosch

  #1  
Old 11-21-2018, 09:16 PM
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Default Hybrid Rex/bosch

Happy holidays Volvo heads!! Golden block here! Is there anyone on here who has a bosch/ regina hybrid car???
Meaning rex ignition mated with bosch fuel injection( pump under car) just curious...
mine is 1989 740 gl. Over 2 million miles strong now! 106 miles a gallon

Oss
 
  #2  
Old 11-22-2018, 12:55 AM
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so does that have a side distributor or camshaft end? I do hope you meant to type 26 MPG, as I'm having issues believing 106.... Now, I had a 650cc motorcycle that got 80-100 if you were cruising smoothly.
 
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Old 11-22-2018, 02:48 AM
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I don't own a "hybrid" but came across one in the junkyard years ago. I think it was a 90 or 91 740 wagon...Regina under the hood with a pump under the car and in the tank.

I remember because I bought both pumps. They looked brand new...the under the car pump has been on my 240 for a couple years and the in tank pump is still in my basement.

I kinda prefer the one pump Regina cars. Just one pump to worry about and no maf sensor.
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Old 11-22-2018, 01:05 PM
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I have seen Regina cars with two pumps, that doesn't make them anything except Regina cars with two pumps. As far as the rest, yeah, right!
 
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Old 11-22-2018, 01:24 PM
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yeah, the single regina and (non-turbo) dual bosch FI pumps are pretty much interchangable as both systems need the same feed pressure and volume. In fact, later Bosch systems, like used on the 850, were a single in-tank pump, and you could probably use a 850 pump on a 240/740/940 except you'd need to adapt the tank pump/fuelsender assembly as they are probably a different size. an 850 T5 turbo pump would likely work with a lh2.4 turbo 940, too, as they require similar pressure and volumes.
 
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Old 11-22-2018, 01:30 PM
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a footnote, my mercedes 300E/E320's use NO tank pump, they just have an under-the-back-seat pump... except Mercedes uses two pumps in parallel, I think for reliability (car still runs 100% with only one).
 
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