So I've ordered a replacement injector (Bosch dark green, 803 part number) to replace one that I suspect is not operating correctly (erratic idle, dropping from 4 pots to 3 and back again). When I've gone to replace the original, it's different and isn't a 803 part number.
Here's the new and old side by side:
New is a proper 280150803 as supplied this week by Brands Hatch Performance, the 4x old ones are 28015035.
Obviously they're different heights (both fit), but clearly I can't mix and match them as the fuel rail will be at an angle. Any ideas what those 'original' ones are? The chip supplied with the engine was for 803's (I've since replaced it with an MSD Evolution one); but a quick google for the injector part number doesn't bring anything back.
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