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Chevette or Injection pump Guru help please
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I am in need of some info on this Pump if possible, a Service manual or Schematic of how it looks inside, how to adjust it etc. Any Ideas?
It is on a Isuzu inline 4 from a Chevette Mid 80's we were told. here's a picture of it's data plate. |
Ah So, Diesel Kiki.
Why do think you need to adjust it, or are you looking to adjust the timing? |
Full throttle is not giving the right amount of power. Would like to adjust it more, the only way so far We've got more out of it is by adjusting the Surge buffer, but with that adjusted, the engine wont idle.
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Is there any chance the injection pump timing has been altered? |
To my knowledge no, but anything is possible, Still working the kinks out of the system. I should add, the engine _Does_ Idle but too high of an idle with the surge buffer readjusted, I know the engine timing is right, so we want to play with the pump to get more oomph out of it
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Getting more oomph out of a diesel, if the pump is timed correctly, requires something other than a simple adjustment.
Start with a turbo. |
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anyone care to shed light on some of the parts? This is an exploded View.
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It's not in the cards. There is no reason for the car maker to limit hp when the engine makes only 51 hp. Even if you could increase the power, how much do expect? A 5% gain, which would be astounding, would be less than 3 hp.
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any gain would be better then what it's at now really.
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Isuzu sold some diesels here in the US, but Chevy never sold a Chevette with one.
The cars were the same since they were both Opels, but the bodies were quite different. The Isuzu was sold as an Opel starting in 1977 because the Mark just got so high against the Dollar GM could not afford to bring in the German Opels anymore. So to make the Buick dealers happy they started importing Isuzus and badging them as Opels. I knew a guy that had one of these. Very, very slow, but he claimed he got 45 mpg. All Chevettes were made in Brazil and you could get them with a diesel engine there. Perhaps someone imported one? Still, I think if you look for an Isuzu service manual you will find the help you need. |
Check online for Isuzu I-Mark and Opel Kadett Diesel forums. I believe it's the same engine.
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You are right. I just could not remember the name the Isuzu was sold under in the US.
And.... It could be out of a pick-up. Isuzu sold a lot of those in the US with diesel engines. It was called the PU'P. |
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The OP has a diesel powered Chevette. It is not important if the car was or wasn't imported into this country.
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aaaaaaaactually. It's not really a car..... something more fun then a car (to me anyways)
http://www.youtube.com/watch?v=fh6HHCyp8TA I've posted this here before I think. |
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Try isuzupup.com.
Questions about Chevette diesels come up there occasionally, and there are a few guys on there who know the pumps. |
does anyone know if any of these were turbo at all? It's on my list of things to find out. a turbo would help the noise level too...
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The Pup trucks had a larger 2.2l engine. None came stock with a turbo but while browsing, I found a nice long thread where a guy turbo'd his Opel with the same engine.
I believe it was on a VW forum. So you didn't go through with the plan to fit an OM616 to the train? |
I was overruled by a hydraulics engineer who thought his system would be far superior.... Not happy about it but whats done is done. I'm going to be building a Mercedes Railbus instead. More fun and it's my own project. Nobody to tell me no...
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That's basically a Bosch VE pump made under license.
Here's a typical Bosch pump rebuild, if it helps any , from a VW: http://gnarlodious.com/Vanagon/Bosch_Pump/-Rebuild You might get some help from one of the old VW forums, like: http://www.vwdiesel.net/forum/index.php?topic=26541.0 |
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Thanks, I appreciate the links they are very helpful
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And I want to say thanks for pointing out the Chevy diesel info.
Any day I learn something new is a good day. |
Well, I just did some reading up on this Chevy. Turns out it was not sold with A/C, so I guess that is why no dealer in Texas would carry one.
MPG seems to be about 42 with normal driving at 55 mph, so I will just stick with my 1992 2.5 liter 300D which gets 36 mpg at 70 mph with the A/C on. Still... It is fun to know about these things. |
I dont know where this engine came from... the pan has been Tapped and capped so It looks like a oil feed line or a return or something, It's just odd... I'm going to see what I can find to retrofit one on this, a little holset or something would do nicely
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