johhny5

New Member
I was told (i know never to believe the hype)
That my 3.9efi has RC87 Camshafts fitted

Tried googling etc etc but cant really find out much about them, Anyone heard of them????

J5
 
made by Progress Engineering - shoudl give around an extra 15hp and put peak power to around 5500rpm rather than the 4750 of a standard engine. Its a pretty good cam
 
Well that's a bit of positive news gents, thank you..... Let's just hope the previous owner knew what he was talking about eh? J5
 

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