you don't need to send your car for dyno session. Why do you need to do that? Don't listen to someone who just guess and donno heck about what he said or someone that just keep on saying dyno without actually even dyno his own car.
1st of all, go to a workshop that can tap fuel pressure gauge on you fuel filter and check for the fuel pressure. That is temporary fuel pressure gauge.
if your fuel pressure if ok. I need to know whether your engine got rebuilt before or not or you just drop it in from halfcut? If you rebuilt it before what is the gasket size that you're using right now? If you just drop in the engine from half cut, check on the gasket thickness. If the gasket is too thin, it will increase that engine compresion and will lead to pigging as well without proper fueling.
Dyno won't solve any problem and the purpose of Dyno is just to get horse power reading and AFR reading if they do plug in the wideband sensor. They got nothing to set on your car because stock ECU is fix and the Mapping cannot be altered.
If you need to check your AFR, just plug in windband sensor and get the AFR reading. If the overall fueling is too lean, just increase the fuel pressure by using FPR and that will solve you problem.
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