DirtyComanche Posted March 9, 2017 Share Posted March 9, 2017 I bought some injectors off fleabay... They're supposed to be the Ford 710s. Not the best, but for the 15 minutes it takes to swap them I figured they would be worth the upgrade from the OEM ones. This is what I was sent: Image Not Found P/N is 0 280 155 700 What the hell are these? Any idea on specs? I'm thinking I should dispute and send them back, but just want to make sure they aren't an equivalent/interchange P/N. Link to comment Share on other sites More sharing options...
64 Cheyenne Posted March 9, 2017 Share Posted March 9, 2017 You bought them without knowing how many lbs (I think per hr) they are? Will the connectors attach? Are they 4 hole? Otherwise its like saying, "I know this carb will fit in place of the old one..." and the old one was 400cfm and the new one is a 750 cfm... I know I have injectors on the 88 that look like that, newer style body (better than the large barrel style Renix that leak) 4 hole and I'm not sure how many pounds, I'd have to dig for documents for that, but when purchased, they were for stock displacement normally aspirated Jeep. Link to comment Share on other sites More sharing options...
fiatslug87 Posted March 9, 2017 Share Posted March 9, 2017 http://www.fuelinjector.citymaker.com/Fuel_Injector_Flow_Rates.html Link to comment Share on other sites More sharing options...
DirtyComanche Posted March 10, 2017 Author Share Posted March 10, 2017 You bought them without knowing how many lbs (I think per hr) they are? Will the connectors attach? Are they 4 hole? Otherwise its like saying, "I know this carb will fit in place of the old one..." and the old one was 400cfm and the new one is a 750 cfm... I know I have injectors on the 88 that look like that, newer style body (better than the large barrel style Renix that leak) 4 hole and I'm not sure how many pounds, I'd have to dig for documents for that, but when purchased, they were for stock displacement normally aspirated Jeep. They were advertised as being the Ford '710' injectors, which are plug and play swaps for Renix applications. The 710 isn't considered to be as good as the 746, but they're still an upgrade from the stock ones are they are a 4 hole design with the one piece body. Edit, basically the seller sent me something that is a different P/N than what I ordered. If I dispute it I will win. I want to know if it's worth disputing, or if these are actually the same and to just run them. Link to comment Share on other sites More sharing options...
DirtyComanche Posted March 10, 2017 Author Share Posted March 10, 2017 http://www.fuelinjector.citymaker.com/Fuel_Injector_Flow_Rates.html According to that they have the same flow rate as the 710. But what else might be different? Coil impedance? Link to comment Share on other sites More sharing options...
Ωhm Posted March 10, 2017 Share Posted March 10, 2017 Spray (cone) pattern. Link to comment Share on other sites More sharing options...
DirtyComanche Posted March 10, 2017 Author Share Posted March 10, 2017 Spray (cone) pattern. Hmm. Wonder if it's better or worse? Any documentation on such? Run them and see how it goes? Link to comment Share on other sites More sharing options...
Ωhm Posted March 10, 2017 Share Posted March 10, 2017 Documentation would be spec sheet thing. Run them and see how it goes. If you got the time Miller's got the beer. Link to comment Share on other sites More sharing options...
DirtyComanche Posted March 10, 2017 Author Share Posted March 10, 2017 Roger. I will need to check some things before I swap them, and maybe burn this tank of gas off to try to get a better idea of current fuel economy. In the meantime I guess I'll go googling to see if there is any other info out there. Link to comment Share on other sites More sharing options...
DirtyComanche Posted March 10, 2017 Author Share Posted March 10, 2017 I measured the resistance of the coil at 14.4ohms. I believe the 710s are stated as being 14.3ohms, so let's call it the same. There is another P/N on them, F4SE-A1B, a Ford P/N, which I'm getting some info is also on the 710 injectors... Meaning they're going to be basically the same, the 710 might be something of an updated P/N on Bosch's part, but not different enough to warrant a superseding P/N for Ford. Link to comment Share on other sites More sharing options...
DirtyComanche Posted March 10, 2017 Author Share Posted March 10, 2017 On this note, what is the resistance on a stock Renix injector? I guess I could measure mine. Link to comment Share on other sites More sharing options...
cruiser54 Posted March 10, 2017 Share Posted March 10, 2017 746 work best in Renix. Here's where to get them. http://www.cherokeeforum.com/f72/784-703-710-injectors-222140/ Link to comment Share on other sites More sharing options...
big66440 Posted March 10, 2017 Share Posted March 10, 2017 I ran the 710's for at least 2 years, then I recently got a pair of the famous 746's and my truck is running noticeably better and it seems it's getting better fuel mileage. Unfortunarely I didnt document anything but my daily route is almost the same and I have noticed a small improvement. Link to comment Share on other sites More sharing options...
fire797 Posted March 10, 2017 Share Posted March 10, 2017 copy and paste the part number and you will get all the info these injectors...... I did it..... Link to comment Share on other sites More sharing options...
DirtyComanche Posted March 14, 2017 Author Share Posted March 14, 2017 copy and paste the part number and you will get all the info these injectors...... I did it..... Really? What info? Like what I already posted? Link to comment Share on other sites More sharing options...
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