Hey guys just bought a Crane blue racer cam with 218 duration and .471 lift, crane lifters and lt1 springs of ebay. When it is installed in my car, how will it go with the standard ecu?? Will it start and run okay? will i need to get the car tuned to suit the cam? Also how much power should i expect it to make with this setup. all else is standard besides 3" zorst.
Thanks guys.
Ye Hi Monaroman,
I bought and fitted the identical 218 Crane cam/valve springs/lifters from eBay around this time last year. Mine was a package deal which also included a memcal 'apparently' tuned for this cam. I also had the heads refurbished and 5thou taken off, which is not that much.
So, revelation #1, I was supplied a v6 based hardware memcal with a V8 tune thrown on it, which BTW was a pathetic tune to say the least. Vehicle felt sluggish and idled badly wanting to stop on occassions. The recomendation by the eBay cam supplier was that I should drill a small hole in the butterfly to correct the idle problem :bang: Thank god I didn't take his advice.
His subsequent advice was that I should fit a catback system, which I did mind you to fix the idle problem......I wonder what other gifted suggestions where awaiting me?
Anyway to cut a long story short, Greenfoam :yeah::yeah: came to the rescue and solved my problems and car now goes reasonably well.
Fuel consumption is still relatively high around the 22L/100km and I will be very interested to see what you get.
Idle is smooth, no lumpy sound [except from a cold start] which was rather disapointing, and power wise well, my car appears to have a Jekl and Hyde character.
When cold, it goes like a bleeding rocket with loads of torque starting as low as 2600rpm onwards, but when the engined has warmed up it looses substancial power down low and only starts to hammer after about 3400 rpm.
Some say its the rings and loosing compression as she warms up [engine only done 180,000km] , others are pointing to the fact that it needs a cold air intake [CAI] to fix it up. Who knows !
I have owned 2 x HSV Senator 5000, and a 5.7L R8, so compared to those I would say that when the VR is cold, performance is between the HSV 5000 and the R8, probably closer to the R8. You must remember the VR weighs 1500kg and the R8 1700kg. But when the engine warms up, then its just below the HSV, well as far as my memory serves me:whistling
So unless you are doing more work to your engine [higher compression, flat top pistons etc] this should give you some idea as to what power range to expect.
Cheers.