Join Date: Jan 2004
Location: Winston Salem, NC
Re: How To Pick A TBI-EFI System
I installed a Super Sniper on my blow thru combo and couldn't be happier. The advice to buy from efisystemspro is excellent as well. I bought mine from Steve Morris because I wanted a boosted base tune from him. They are good as well.
A few caveats though. I think you really need to love tinkering and love learning new things. That way when you hit bumps in the road (you will) it is more of an exciting challenge than something to beat your head against a wall with. I love to learn new stuff and boy did I learn a ton with this project. You have to be patient as well. I had to wire it up twice pretty much because of my poor wiring skills.
The Sniper will work well pretty much no matter what the vacuum is so don't worry too much about that.
You really have to read more than the instructions. You have to follow them to the letter, but in terms of overall wiring you will need to watch some of their videos and other youtubers.
I recommend getting as complete a system as you can. Yes you can use your Pro Billet and CD box, but mag distributors are more prone to RFI/EFI which can be very tricky with the Sniper. I removed a perfectly good MSD 6AL programmable simply because I wanted the security of going with the full Hyperspark system with a HAL affect dizzy, coil and CD box. It is all plug and play.
Drivability will improve guaranteed! Yes a perfectly tuned carb can be great, but 95%+ of carbs are not perfectly tuned. How many of us have drilled out restrictors and changed high and low speed air bleeds? On a cold day I can reach my arm through the window to crank it and walk away. No more feathering the throttle to keep it running. No more garage smelling like fuel. It is awesome. Want to try more timing at the track? 45 seconds on the laptop. Want to adjust the timing curve precisely at 100 RPM intervals? Laptop. Want to adjust the idle or cruise AFR? 45 seconds on the laptop.
If you are a data junkie you will love the logging. You can log everything and they have an excellent interface for reviewing them. You can download the Sniper software off of their website and play with it. I can send you some logs to look at if you want.
69 Camaro, 3650lbs., 400ci, TH400, Coan 10" converter, 3.50 gear
D1SC, pump gas, 9:1, 10 PSI, Water/Meth injection
1.325 60', 5.988 @ 115.4 (carb)
Switched to Super Sniper EFI 2019