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Discussion Starter · #1 ·
Hi all,

I was wondering what people's opinion's on how much boost I can run on my Evo 5 on standard internals. I've had a look through the search function but mainly only found info for the later cars and cars with huge amount of engine tuning.

The only mods -

Decat
Blitz Spec R exhaust
Blitz Cone airfilter
HKS BOV
Gizzmo IBC Boost controller

Any advice appreciated!

Thanks
 

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Discussion Starter · #4 ·
Thanks for the replies, if I had the car geekmapped could I safetly run more then 1.2 bar? Is there a reputable mapper in the SE UK and does anyone know the charge for a map?

Thanks!
 

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Send a pm to grayw. He's one of the SE geekmappers.
Graham's not mapping anymore Matt.

1.5....pftttt thats for wimps 1.65 peak tailing to hold 1.45ish
That sounds a bit lightweight... I thought you were wanting to push the limits :lol:

Andy
 

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From experience....

1.6bar - no probs

1.8bar - stretched head bolt and blown head gasket within 50 miles

.... now forged and nearly ready to go again.


:naughty:
 
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