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R34 GTT Cams project

Bass Junky

By Bass Junky,
in Engines & Forced Induction

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NickR33 Grand Master

NickR33

Posted
Posted

mine took months to get here...thats why they were not included in the rebuild

got the car back today will post dyno chart tomorrow... tuner didn't do a before and after as I had requested, so you will have to compare with one of my old dyno charts... sorry about that to anyone who was interested

aaaanyway the seat of the pants review goes like this: I instantly noticed the improved response, not just on boost but pretty much everywhere in the rev range... didn't really gain anything in the peak power department as I still have stock cooler so the timing is fairly conservative... it also definately revs quicker (almost caught me out a couple of times as I had to scramble for the next gear:) and the top end feels less restricted... I was impressed with how quiet they are as well, you cannot tell that it has aftermarket cams at idle...

overall I am pretty impressed, it just feels as though it wants to rev!

NickR33 Grand Master

NickR33

Posted
Posted

hey Bass here are some dyno graphs for you to have a squizz at...

the first one is before the rebuild, so only difference is its pre pistons and cams... same boost/tune etc... it also is in shootout mode and done by the looks of it in 4th gear

the second one is with cams and pistons... 3rd gear... and NOT in shootout mode... the tuner has also retarded the timing a bit as the stock cooler is...well...ghey

as you can see the second graph goes pretty straight all the way to redline, where as the 1st graph has a big dip and tapers off at the top end...

the cams don't totally do away with the dip but I think this will go away when I bin the stock ecu / SAFC combo

:rofl:

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