Walbro fuel pump
#1
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Join Date: Apr 2002
Location: Houston
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Vehicle: 2001 Tiburon
Walbro fuel pump
I know it is needed for a 75 shot, but are there any negative side effects besides the noise (some say it hums or something). While I probably won't shoot over a 50 shot for now I was thinking about getting one for safety purposes and for when forced induction comes around. Just wondering if there were any side-effects on a vehicle that doesn't specifically need it (ie bolt-ons and possibly small (50) Zex shot).
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Vehicle: 1997 Hyundai Tiburon
On the zex manual they prefer you to retard the ignition 4 degrees for a 75 shot. Is it okay if you just put octane 92 and don't worry about retarding the ignition?