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Any other Marques use Bosch MFI?

Just curious if the MFI system from the 69-73 911's is found in any other brands of sportscars?
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Old 10-05-2007, 12:21 PM
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benz, bmw tii, must be a few others. Not sure if it was exactly the same system, but related.
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Old 10-05-2007, 12:31 PM
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Wikipedia says 2002Tii used Kugelfischer fule injection and I think the Benz 300SL used Bosch injection, but it was actually Direct Injection (something just becoming common today)
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Old 10-05-2007, 12:59 PM
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M-B's 6.3 V-8's found in the 300SEL 6.3 & 600SEL had Bosch MFI,.....
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Old 10-05-2007, 01:29 PM
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Mercedes; only the 300 SLR had direct cylinder injection, I think. And desmodromic valves, BTW...
The other M-B MFI was Bosch, but used the single row pump and port injection, different than ours. BMW was all Kugelfischer as someone has already said.

WWII German fighter aircraft now, can you say messerschmidt? MFI very nice when flying inverted, as opposed to crazy american/british pilots with a carburettor!
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Old 10-05-2007, 02:27 PM
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Didn't Audi use it as well?
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Old 10-05-2007, 02:31 PM
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The benz (1966 to 1967 & 1968 to 1971) 250 & 280 SL series used them. The pump is based on an old Bosch Diesel injection pump from what I understand. They featured a single throttle body and shared plenum, as opposed to Porsche's ITBs.

I just read something here on Pelican which said the pumps are similar but not interchangeable. I cannot verify.
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Old 10-05-2007, 03:58 PM
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Quote:
Originally Posted by Steve@Rennsport View Post
M-B's 6.3 V-8's found in the 300SEL 6.3 & 600SEL had Bosch MFI,.....
Any unfortuantely, only one throttle body. Cool nonetheless. I had a '69 6.3 300SEL which was my daily driver from 1996 to 1999. I got pulled over for speeding. Very early one Saturday morning I was going to Tahoe for skiing from the Bay Area. The cop said I was still accelerating and quickly when he tagged me at 80mph via radar. He didn't believe the old benz would do that, so he only wrote me up for 75 mph

I had cruised for two hours at 100mph. (4a to 6a)
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Old 10-05-2007, 04:02 PM
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Also, a form of MFI used on the mid 50's Merc Gullwings, 300 SL's...a friend of mine still has his '56...original red paint, original knock-off wheels, original white interior with fitted luggage, etc. Jo (his recently departed wife & a great lady) told me she really questioned the guy when he paid TEN THOUSAND 1958 dollars for the car. Then some years later, she questioned him again...when the "price of everything-value of nothing" guys came calling.

Reminds me...I should give the guy a call. Maybe he's ready to have an outing...
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Old 10-05-2007, 04:08 PM
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tractors, baby

tractors
Old 10-05-2007, 06:41 PM
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Quote:
Originally Posted by DW SD View Post
The benz (1966 to 1967 & 1968 to 1971) 250 & 280 SL series used them. The pump is based on an old Bosch Diesel injection pump from what I understand. They featured a single throttle body and shared plenum, as opposed to Porsche's ITBs.

I just read something here on Pelican which said the pumps are similar but not interchangeable. I cannot verify.
Besides the mighty 6.3 V8 and the SL's, MFI was also offered on the large 6 cylinder sedans and coupes and cabs as they used the same motors from the SL's. These were the 250SE, 280SE, 300SE. The pumps look similar, and on the MB you can adjust the rack with a big knob, but I can't get into much more detail than that.

Unfortunately, the pump from my 70 280SE has been sitting at Pacific FI all summer.
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Old 10-06-2007, 06:20 AM
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Dont forget Aston Martin V8
Old 10-07-2007, 09:00 PM
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Thanks to all who answered! So, I guess the 911 MFI system was unique in that it was the only one to use individual throttle bodies for each cylinder (velocity stacks)?
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Old 10-08-2007, 05:54 AM
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Quote:
Originally Posted by jcge View Post
Dont forget Aston Martin V8
I believe that the AM V8 used Lucas's mechanical fuel injection. The pump and distribution concept is completely on the Lucas system. The Lucas system was widely used in on 1960's era F1 cars. The Bosch system does have higher pressure then the Lucas system though.
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Old 10-08-2007, 07:34 AM
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I was wondering about the Bendix FI in the late 50's Chrysler 300's. I thought it was derived/licensed from Bosch.

Just did some research and it was actually developed by Bendix originally for aircraft. Was actually an early electronic system, though. Bosch (I think) used it for a basis for it's D-Jet system
Old 10-08-2007, 09:06 AM
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The Aston Martin DBS V8 definitely used Bosch...in fact...Bosch list the following numbers for this application
Pumps
0 428 023 039
0 428 023 046
0 418 078 994
Injectors
0 437 004 002

AM later dropped the Bosch system in favour of Weber's

Last edited by jcge; 10-09-2007 at 02:28 PM..
Old 10-09-2007, 02:12 PM
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