If you need help determining which specific tuning parts to buy I can help. So your best gains right now, if you plan on doing any upgrades to a TBI, is to invest in a chip burner, datalog cable, and a wideband O2 and controller for it. Otherwise, adding heads and a cam to a TBI can easily make it run worse rather than better, if you do not tune it. I am also going to test a Comments section out as well and see how that goes.Deviating from stock with a MAP based system is going to require a lot of tuning to take advantage of what you have improved. No obligation at all but if you want to toss a little my way.
I have had many people ask about a donation to help pay for some of the knowledge i have placed on the website FREE of charge. I have removed the paypal Donate button as paypal wants to 1099 me for everything so any donations for advice or keeping website running will have to me sent old fashioned way through the mail. While TBI has a few crippling limitations it is still possible to pull a little over 1hp per cubic inch from these vehicles but requires a LOT of good planning and implementation to pull that kind of power level off and I am here to help provide that advice as well as support for the computer system to help you get there. Many still out there with TBI vehicles needing help getting more modern power levels and fuel mileage from older GM throttle body injected vehicles without going to the process of rewiring the vehicle to run a more modern fuel injection system. If your looking to run a motor over 5000 rpms then you really need a different type of injection and the cam choice needs to reflect that rpm max as well or your just asking for a nightmare. However, these systems were primarily used in the 1987-1995 pickup trucks and so they still work fine for low rpm truck applications.
1987-1991 were still SLOW computers with tiny chips limiting what can be done with the system. The early systems from 1982-1986 are just too old to do much with.
So Just what is TBI, stands for Throttle Body Injection used by GM in the early 80’s through 1995. Welcome to TBI CHIPS throttle body injection services.
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