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Hi,
I recently rebuild a C1J with 1,6 stroker kit, upgrade exhaust manifold, gt2560r turbo and upgrade intercooler.
It made 198 hp at 0,9 bar which is great i think, but it leaned out, so i changed from 135 main jet to 145.
Now the afr is around 11 when cruising.
I did nothing else than...
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