1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

First Generation Mazda RX7 ???

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Old 02-18-06, 11:25 AM
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Cool First Generation Mazda RX7 ???

Is this common knowledge or did I find something new?

http://www.waltech.org/21stcenturyho...da/mazda.shtml
Old 02-18-06, 11:28 AM
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ummmm WTF Mate?
Old 02-18-06, 11:34 AM
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The TBI injection can be used alone without turbocharging. the engine can do almost as well as with the turbo setup.

???????????
Old 02-18-06, 11:40 AM
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does some of that not make sense to you guys to?
Old 02-18-06, 11:41 AM
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I am plastered ok and things arent suppost to make since.........but didnt TBi injection suck more ***** than Hilary Duff
Old 02-18-06, 01:35 PM
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Originally Posted by fcdrifter13
I am plastered ok and things arent suppost to make since.........but didnt TBi injection suck more ***** than Hilary Duff
milk in the cereal, not beer!
not a very helpful article
seems to belong to the tornado air intake, and electric supercharger phenom
Old 02-18-06, 01:39 PM
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Old 02-18-06, 03:09 PM
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Actually, this wouldn't be much different than a blowthrough carb setup. Your are still putting the fuel in at the same place. The advantage to this would be the computer. This would allow you to adjust your air/fuel mixture with the click of a mouse. I have thought about doing something sort of like this, but using a Holley (part #HLY-950-23S) TBI with a RB intake. The Holley TBI fits a standard 4 barrel bolt pattern like the RB intake uses. Sound doable, right?
Old 02-18-06, 03:19 PM
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TBI isnt bad,its just not as effective as port injection.Wet manifold designs waste fuel in comparison due to fuel sticking to,and running down the intake passage walls.That said,its still smoother and simpler than many 70's and 80's computor controlled carbs.

While not a bad idea,this guys setup is pure homebrewery.Why use an NA manifold and Volvo turbo when the TII manifold and turbo are nearly a bolt on?No way it could ever be smog legal,and CA smog regulations are steadily creeping across the country.
Old 02-20-06, 01:38 AM
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I have the Holley Commander 950 TBI on my 13B equipped 84GS, and I must say, there is a noticable improvement in power over the RB Holley 650 carb, but I still don't have the fuel maps right. (This setup is designed for a v8, and none of the included base maps are even close, so I had to start from scratch) That said, I am also thinking of super/turbo charging it. According to Holley tech support, the commander 950 can't be used with forced induction, but in the manual there is a brief section describing how you can use with forced induction with the use of a 2 or 3 bar MAP sensor as opposed to the 1 bar included with the kit. If anyone has anymore info on this it would be appreciated.
Old 02-23-06, 03:47 AM
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Originally Posted by fcdrifter13
I am plastered ok and things arent suppost to make since.........but didnt TBi injection suck more ***** than Hilary Duff
**** you
Hilary Duff is miss wonderful!
Old 02-23-06, 04:45 AM
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damn I didnt ever think you were gonna post on that. LOL. I was just kiddin. I am drunk all the time and live in WV gotta get my kicks somehow
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