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email me at redlinerzhatchbk@aol.com and I will send you a write up of the VIN number guide. The VIN number will tell you what model the body is and that what you are tryin to figure out right? All that extra stuff can be switched and replaced.
dual point = DX
Thats why people like to do B-series swaps in HF's and Si's but not DX's and STD's because its more work to change over the dual port to multi port injection.