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Plenum


RAP1D

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  • Member For: 18y 7m 12d
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  • Location: Sydney NSW

Finally finished my plenum on the weekend. Havnt got it on the dyno yet but it definately does what a plenum should!

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Looks good, does it feel different to drive?

Oh yeah, its different...

First up, I drove it to see what the boost would do. Ive had it peaking 15 then 14psi flat to redline for awhile now and with the plenum on and no adjustments it hit 21psi very fast...

I use an mbc so I can easilly drop the boost down to stock level, so I gave it a few turns and it now hits 15 again and settles to 14ish.

So same boost now but ALOT quicker to get to max psi the thing just wants to take off.

The main thing I was concerned about was boosting too high, but due to the stock dump, I feel its keeping the boost down. I havnt touched the turbo... wastegate, accuator all stock.

I'll upgrade the fuel pump and have it retuned.

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