Fueling & Injection - Driving w/ Stock Injectors on 60# Injector Tune?
12-14-2006, 07:23 PM
I am going back to stock in the next couple of weeks, including reinstalling the stock injectors on the stock LS1 block. There are 60# injectors in the car right now with the 427, and the car has a base tune for the injectors. My question is, can I reinstall the stock injectors(26#) and drive to the tune shop to get a stock tune? The drive to the shop is 20 miles all freeway. How dangerous is this? Or would the car not even run? I don't feel like having to put the injectors in at the shop. All opinions are welcome, thanks!
12-15-2006, 12:14 PM
Can I buy your motor before you attempt to drive the car with the stock injectors with the 60lb tune?
12-15-2006, 12:31 PM
Yes its dangerous, the computer will still think you have 60lb injectors meaning it will try to keep the pulse width to a minimum to keep the fuel flow very low, but your 26lbers don't flow worth a crap at low pulse widths meaning you'll be very lean at idle, part throttle & wot, meaning there is a good chance you could cause some very bad damage even on that short 20 mile run.
12-15-2006, 03:01 PM
Those were my thoughts as well. Thanks!
12-15-2006, 04:51 PM
What about going from stock injectors to 60lb injectors? I wanted to change my stock injectors to 60lb before I went to teh shop? If not would it be that hard to change them in the parking lot?
12-15-2006, 05:39 PM
its the same deal only the opposite...your going to an injector that literally doubles the flow at the same psi...double the fuel but not the air & you'd be looking at a super RICH condition which can have just as bad an affect on things, washed cylinder walls, etc.
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