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Delphi/Rochester style low-impedance 75# injectors for sale, set of 4. Used, but good working condition. New these are $50+ apiece, take the set for $125 shipped in the USA.
**Note: you will need to adjust your tune to run these vs your current injectors. If installed with stock DME, you'll need to add some ballast resistors to protect the DME driver. Do a search on this forum for info on that.
Are these the type with 4 holes at each nozzle, for finer atomization of fuel?
How well do they work in a 951? Pros and cons vs. stock injectors?
I ask because on my '85 BMW 635csi of similar Bosch injection, plug & play replacement of the stock injectors with BoschFord Mustang 4 hole injectors resulted in ~10% better fuel economy, better starting, etc.
yes, 4-hole nozzle.
ive not run these personally but bought them from another rennlister who had them on his 951 for a while who sold them to go bigger.
i did use the same style in 55lb on my own 944 and they made a decent difference like you noted on your BMW.
yes, 4-hole nozzle.
ive not run these personally but bought them from another rennlister who had them on his 951 for a while who sold them to go bigger.
i did use the same style in 55lb on my own 944 and they made a decent difference like you noted on your BMW.
Do the 55lb. version injectors also require the extra ballast, or just plug & play as is?
Do the 55lb. version injectors also require the extra ballast, or just plug & play as is?
How to install ballasts?
55's were already sold. but yes they had the same resistance so they would've needed resistors too for a stock DME.
different ways to install ballasts, some folks wire them in at the DME, if you wanted you could make a mini-pigtail with a resistor that plugged between the harness and the injector.
perhaps Dave951 can show a photo of his setup?
I got Siemens Deka 55s now. I'm wondering if these will have better Idle performance then what I got. The dekas are single shot, so even if the 75s are bigger I'm thinking they will have better atomization at idle. What you think?
i thought Deka were multi-hole?
but these 75s of mine are 4-hole nozzles so they *should* have a better spray pattern or "atomization" vs a pencil-squirt like the stock 944 injectors.
08-11-2018, 03:24 PM
FS 75lb/hr low-z injectors, $125 shipped
