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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


 
 
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Old 07-07-2013, 02:27 PM   #1
racer35
 
Join Date: Sep 2006
Location: connecticut
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E85 fuel pump question

Hey guys.. Heres what i have. A na ka24de circle track race car..One 9.8 engine,one 11:5 compression engine,
Both have bc stage 2 cams
Both 4:1 header
2.5 straight through spiral muffler(mandatory)
Stock maf rule
Stock injectors
Underdrive pulleys
Stock auto ecu for the 9.8:1 engine
Jwt ecu for the 11.5:1 ( must use stock style ecu rule)
11lb flywheel
Roughly racing from 4000-6600 rpms


I currently run 110 octane sunoco race fuel on both engines but i have a set of sr 370cc injectors and i wanna try the e85 on a practice day this week. I currently have a stock fuel pump and was wondering if i needed to upgrade to a walbro 255 or should my pump be sufficent for what i wanna try doing?
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