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Thread: Progressive ProMax Intake
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07-23-2014, 12:17 PM #15000 RPM
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Progressive ProMax Intake
What is the difference between the progressive and non-progressive intakes on the 225 ProMax 2.5l motor? Can you go by year and/or part number?
Thanks in advance
Dave
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07-23-2014, 01:50 PM #2
I dont know the years but I think the non progressive the butterflies open at the same time and the progressive opens at different times I could be wrong though.
1998 SS 2000 94 260ss
Speed cost how fast you want to go
Allison and Merc is there anything else?
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07-23-2014, 02:01 PM #3
SSTOM, I believe you're correct. May want to check out this thread as well.
http://www.screamandfly.com/showthre...-260-injectors1992 STV River Rocket - bottle fed 260