levnubhin

iTrader: (30)

If you had a 1.8 and a 1.6 with the exact same setup, both set at say 12psi what would the rwhp difference be?
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Loki047

iTrader: (6)

look at FMs dyno plots.

Joe Perez

iTrader: (8)

Forty two.

Or perhaps nine.

Depends on what year 1.8 it is.

Could be more, could be less...

+1 on Loki.

wildfire0310

iTrader: (1)

42 is the answer to all questions..

I would check FM dyno they most like would have a dyno of there FM turbo system on a 1.6 and a 1.8 and you could see the difference.

My guess would be 25-40 whp and 20-30 tq... but that just a guess based off stock power difference, and nothing but a guess.

Again what 1.8 are we talking about, that makes a huge difference..

Newbsauce

iTrader: (2)

Depends on the conditions of the motors and the tune.

Ben

iTrader: (33)

stock motors, I'd say the 1.8 makes more better torque (maybe much better), but the hp numbers are comparable

jayc72

iTrader: (14)

Quicker spool with the 1.8 too.

yeah_its_boosted

larger displacement engines will spool a the same turbo quicker