Technical > Engine and Transmission

Realistic power estimations (goal: 160-170bhp)

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LeonL:
I’ve seen a lot of topics with a lot of different bhp claims but with no proof so after a little clarification on what exactly I’d need to achieve 160-170bhp

My list of mods (now and future) are as follows

Standard head
Standard bottom end
Standard g40 intercooler
Stage 4 Jabbasport charger
Psd toothed pulleys
Jabbasport induction kit
Boost return mod
Gt inlet
51mm tb
Ppp manifold and exhaust system

Once all done I’ll ever get a chip or remap with yoof/ppp

So what’s a realistic power figure here? And what more can be done to achieve the 160-170bhp goal, is rather avoid messing about with bottom ends and cams atm

Many thanks

JoeH:
Definitely reckon at least 130bhp, but probably not 150bhp - not without head work.

I reckon around 140 with that spec!

The main problem you'll have is putting the power down, probably need subframe and quaife diff and good tyres which will cost more than engine mods!

Jester:
Mine is similar spec to yours apart from I've returned to the standard airbox, GT inlet is ported and I have a Schrick cam in. I have RR'd print out's of 153bhp/158bhp (from different places and times)

So not sure,.. but I can't imagine why you'd need so much unless you're on a track or drag strip?

LeonL:

--- Quote from: Jester on October 25, 2017, 10:31:26 am ---Mine is similar spec to yours apart from I've returned to the standard airbox, GT inlet is ported and I have a Schrick cam in. I have RR'd print out's of 153bhp/158bhp (from different places and times)

So not sure,.. but I can't imagine why you'd need so much unless you're on a track or drag strip?

--- End quote ---

For what reason did you return to the standard air box

Also it’s going to be used on track

Jester:
I bought it with the jabba kit on and never really liked it visually. Also this might seem weird but it gave it a bit of an odd noise like a low drone, can't explain it  :-\
(My brother got his with the jabba pipe/cone or K&N type and his made the same noise)

 Haven't noticed the performance difference, can't imagine it's alot?. It might be worth looking into going Turbo if using it on track.

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