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Do you already have an RMW tune? That makes a difference in what you'll see. The tune is good for some amount of tq/hp, all other things being equal.
I had a tune done first, then added the cam, then later added the header. Did not dyno with just the cam, but I estimate it added 5-10 lb-ft of torque in the midrange. Then a bigger jump came when the header was bolted on... the header kinda unleashes the cam and lets it exhale....
Jan has a *quiet* exhaust that can retain all the power and quiet the header...
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I'm Paul, The car is Blimey--- BlimeyCabrio's Blog--- 2006 MCSCa w/lotsa mods and Union Jacks
Ten-time Dragon Veteran - Occasional Trackrat - Extreme Twisty Addict - Rhymers Ferry Road Fanatic
PM "THE ITCH" Jan tuned his stock GP and I think he had 204 or 205 at the wheels. I had the race header and exhaust and had 212 @ the wleels. I added the cam and a retune and had 219 @ the wheels. Not sure of anyone with just the cam on a GP. Call Jan or send him an email.
Do you already have an RMW tune? That makes a difference in what you'll see. The tune is good for some amount of tq/hp, all other things being equal.
I had a tune done first, then added the cam, then later added the header. Did not dyno with just the cam, but I estimate it added 5-10 lb-ft of torque in the midrange. Then a bigger jump came when the header was bolted on... the header kinda unleashes the cam and lets it exhale....
Jan has a *quiet* exhaust that can retain all the power and quiet the header...
The inverted commas is what i'm afraid of! To be honest, i'm quite happy with the way the stock exhaust sounds. I wouldn't mind going a wee bit louder, but nowhere as loud as Jan's header.
Very slight lope on mine - bumps around just a bit from about 730-800RPM - not obnoxious, and not something most folks notice... took me a while to really notice it, driving it every day. Kinda sexy, actually....
__________________
I'm Paul, The car is Blimey--- BlimeyCabrio's Blog--- 2006 MCSCa w/lotsa mods and Union Jacks
Ten-time Dragon Veteran - Occasional Trackrat - Extreme Twisty Addict - Rhymers Ferry Road Fanatic
Very slight lope on mine - bumps around just a bit from about 730-800RPM - not obnoxious, and not something most folks notice... took me a while to really notice it, driving it every day. Kinda sexy, actually....
