I installed the new TSS instaboost kit and cant seem to get any rpms out of it. It will hit 7100-7200 then go back down to 6700-6800 gargling and sputtering. I am running stock secondary. And 403 ramps different rollers and a 414 639 000 BL/OR spring in the primary. I am running 5 pounds of boost and will not go up or down no matter how much I adjust the boost controller. Running the new map they gave me for the boost it box and 130 on the main fuel. When I reach WOT my afr will be mid 11s. Any help would be greatly appreciated.
RPM help
- Thread starter xmrider
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Washy
Active VIP Member
I am no turbo etec expert but mid 11 with the etec, seems a bit low to me. Mine ran like crap at 11.5 and really woke up at 12.3-5. In the 11's it would gurgle and shudder and wouldn't pull rpm. This was not a instaboost kit. It was a silber but for what it's worth....
I'm pretty sure low/mid 12's is where you want to be. Every sled is different. Adjust your main fuel down a little bit.
I'm pretty sure low/mid 12's is where you want to be. Every sled is different. Adjust your main fuel down a little bit.
Last edited:
moto5151
Active VIP Member
I'm gonna out on a limb and say you missed something on the install. All of these kits have been proven to work. The boost-it fuel box has also been proven time and time again. Go over everything again, contact tss.
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