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Just got some DD2s & installed them,but how can I be sure that they are DD2s. They don't have any indentifying numbers on them other tha the RV #. Any input would be appreciated.
Who did you install? I would think a reputable shop would not
install some 275 RV injectors and charge you for DD2's. Also, you should be able to see more smoke with DD2's. Perhaps a dyno run would be a good way to know for sure...
Didn't they come in a DD box? Mine did, and the box had the part number on them. Or did you buy used ones? I don't know why someone would lie, risking getting black balled by us.
Dd uses RV casings and hone them out to make DD2 and DD3's. Unless you buy the DD1's or DD2's with stealth option, then it will be from a stock casing. DD2's should have the 275 RV injector part number.