Quote:
Originally Posted by ShockingZ
Whomever your tuner is, should be replaced. There are loads of guys using the JMS with the LT1/4. They work perfectly and you are only upping the voltage to the pump from 15 to 17.3v. Its no big deal but it makes a huge difference for the low side. Then when the low side is pushing well, the high side gets better as well as the injectors.
I'd seriously get a second opinion from another tuner. Call Ted and JRE he will set you straight with about 40 years of tuning experience.
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I appreciate your input, looks like I'll need to do a lot more research before totally canceling this out of my build. How much boost are you pushing with the ethanol and magnuson?