All Things Mk5 > Performance Modifications

GTI Stage 1. Dyno'd 274HP worried this is too much

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mub:
Recently had a GTI stage 1 remap. They did a dyno and the result was a whopping 274HP at the wheel. This is about 35 more than I expected and has me a bit worried.

It pulls proper nice but my worry is about the clutch life, brakes, and general health of the engine. Also should I change the oil for 5w40?

For extra background, I have a RAMAIR oversized induction kit, and replacement cat-back exhaust with resonator delete.

The work was done by a genuine tuning garage using a well known tuning product, not just some bloke down the road. I will post a copy the dyno result soon as they email it to me.

Am I worrying over nothing?

colesey:
Your car should be on the high side of stage 1 range due to inlet and exhaust but would suspect it is just a ‘happy’ dyno overreading by several percent. Yes, you should run 5/40 next time you have the oil changed.

mub:
Should I be worried about the stock turbo or the stock clutch? I read somewhere that the k03 turbo is only rated for 300hp which I assume is measured from the crank. My 274hp is measured at the wheel which translates to over 300hp at the crank. Is this right? Should I be worried?

I think I might get an independent Dyno done to check the power.

GVK:
274hp at wheels sounds way too high for a stage 1 k03.
On YouTube the lad HampshirePhoto has a stage 1 mk5 and his was 250hp crank on a Maha dyno



On a Maha dyno my stage 1 edition 30 (k04) was 310 hp at crank 234 @ wheels

#result by GVKmotorsport, on Flickr

If you have access to live data do a full throttle run measuring maf g/s then divide your max maf reading by 0.8 to give a rough idea of crank power , mine gives around 249 g/s = 311bhp at crank

colesey:
Oops, I missed the at the wheel bit! Impossible.

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