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Fuel injector tuning Great article on fuel injectors in the latest issue of Hot Rod magazine. |
Re: Fuel injector tuning Link? |
Re: Fuel injector tuning It's a monthly magazine, buy it at a store, or subscribe online at Motor Trend. Borrow one from your friends? If you have any. Article talks about many things, but main topic is the offsets for injectors and how it needs to be correct. And how it gets calculated. |
Re: Fuel injector tuning Interesting how this voltage offset thing is becoming more of a known issue lately (the last few years I guess). When I was doing the planning for my 10% larger injector swap, I had emailed Bosch directly asking if there was a repository for their injector datasheets. Wanted to find a 32lb injector with offsets as close as possible to my 30lb. Below was their reply. I was fortunate enough that my 30lb injectors had a Ford Motorsport cross reference, so Ford MP had put out their own datasheet on them. But I took a chance on the 32's and they work well, so I got lucky on that. The 32's I bought are evidently OE on some Volvo's... but good luck trying to find a Volvo datasheet... lol... There's a very limited number of injectors in that link they provide. *********************************************** Unfortunately Bosch does not release any offset fuel injector data since they are not free to do so. When an injector is developed for an engine or vehicle manufacturer, all data developed for that injector becomes the intellectual property of the original purchaser. By purchase agreement between Robert Bosch GmbH and the manufacturer, data can only be released by the purchaser. In rare instances, we have permission to release flow data. Only these injectors are listed on the Bosch Motorsport website at http://www.bosch-motorsport.com. You would have to contact the original user of the fuel injector for offset data. But, that data would only be valid for their ECU and injector drivers. |
Re: Fuel injector tuning
Originally Posted by ULTM8Z
(Post 6519768)
Interesting how this voltage offset thing is becoming more of a known issue lately (the last few years I guess). RBob. |
Re: Fuel injector tuning
Originally Posted by RBob
(Post 6519770)
Here on TGO, a lot longer then that. RBob. I still learn new things going back and reading your old posts from freaking 20 years ago! :) |
Re: Fuel injector tuning The article in Hot Rod provides a good insight into the subject. One more nugget of information to cram into our head or write notes in a book filled with other notes that we may or may not remember a year or more from now. The one thing I take away from it is the next time I need to purchase injectors it may be worth any extra cost to buy ones that come with the offset information instead of having to guess at it. Does it make a difference? The OEM's think so, and they spend the money to get the correct information. Who am I to argue with them? Correct information is the key to most everything being a success. |
Re: Fuel injector tuning The one thing I take away from it is the next time I need to purchase injectors it may be worth any extra cost to buy ones that come with the offset information instead of having to guess at it. Does it make a difference, 100% it does. |
Re: Fuel injector tuning For the LT5, the OE injectors are not really available and so ACCEL, FICs, and a few others. Its not easy to get Offset datasheets for these and I have resorted to sending them out to be both flowtested and determine offset voltages. |
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