35R
04-04-2007, 06:50 AM
With the next phase of mods underway (for my munro) i thought i should pull my finger out and post up the results for my Head & Cam Combo, with some dyno and track numbers. I've known the Russo Brothers for a while now, they are top blokes that do great work. They knew the monaro was primarily intended for circuit; their recommendation was a 224/230/114 cam with Pacemaker 4->1's and dual 2.5" exhuast, with their custom heads. I think they wanted to go bigger exhaust, but I was worried about all the sensitive alarms in my work car park!
Stock
I had the car dyno'ed at Autotechnique in Melbourne - 192rwkw (100% stock) on a cold winters day.
DIY Tuning
Whilst at Autotechnique I purchased the HPTuners package (they are distributors) and Mario and Grant gave me some basic tuition. We applied a VZ Maf, and the tuning session resulted in a conservative 212rwkw, everything else bone stock. Over the coming months, I dabbled (stumbled!) in some MAFLESS tuning back in Sydney (never had another dyno run at this stage though) however we took it to the track and managed a 12.9 @ 106mph or 107mph with Erik Driving. I think I managed a 13.2 or 13.3 (I can't drive too well..). I still had the stock 3.46 diff then. I was happy with 12's from essentially a stock car, albeit with someone else driving (who can actually drive)..
Powerdyne
Some of you know we tried a powerdyne blower, but it didnt live up to my expectations, and I just wasnt willing to spend money with a matching exhaust/pulley/water injection for this particular kit. Pity it didnt work out really, because there is a strong chance I would have gone onto more serious FI after that... but anyway it was quickly sold to someone willing to work with the kit, and I moved on. I think the new owner was/is happy which is good.
Head and Cam
Russo picked up the car, and delivered it a few days later with the head & cam package, and a temporary tune (until I could get my head around cam tuning). Ordinarily i would have asked Russo to do the tune, but I had already invested in the tuning package, and wanted to dabble myself.. Russo installed 3.9 diff gears around then too.
Results
Circuit: Around Wakefield the car was awesome, punching up to 7000rpm repeatedly all day.. available power was way above my driving abilities thats for sure. Track times didnt immeditaly fall (mainly because of wheelspin) however some more practice finally netted a 1:10.9 around the track. I was stoked. I am sure a better driver could get it under 1:10's.
Drag: At the recent LS1 private day, with "the gun" Erik driving, he managed an 11.89 @ 116mph (http://trackchat.com.au/media/data/500/11_89_timeslip.jpg). Best speed was one or two MPH more than that on the day. We were running full weight (left the spare, jack in place etc) but with Mickey Thompson 235/60/15's on the back.
However my ordinary driving only managed a best ET/MPH of 12.2 @ 115mph. I did about 17 runs within 2~3 mins of each run, trying to get close! I just couldnt match Eriks time. Btw air temps were over 40* and track temps around 60* that day! I there is definitely more in it witht he cooler air, but I dont think I'll get to find out..
Dyno: Erik and I took our cars to Castle Hill exhaust for some Dyno time. Dale was great, taking us through all the "real time" tuning aspects of HPTuners. At the recent dyno day, the monaro pulled 309rwkw on the CHE dyno. The head and cam package yielding about 117rwkw over the stock number of 192rwkw. I will post up the before and after dyno numbers when i can get the scanner working.
Driving home: I still drive the long way home, every day. The car never fails to put a smile on my face. Russo Guys, a sincere big thanks for a great head and cam package guys.
Stock
I had the car dyno'ed at Autotechnique in Melbourne - 192rwkw (100% stock) on a cold winters day.
DIY Tuning
Whilst at Autotechnique I purchased the HPTuners package (they are distributors) and Mario and Grant gave me some basic tuition. We applied a VZ Maf, and the tuning session resulted in a conservative 212rwkw, everything else bone stock. Over the coming months, I dabbled (stumbled!) in some MAFLESS tuning back in Sydney (never had another dyno run at this stage though) however we took it to the track and managed a 12.9 @ 106mph or 107mph with Erik Driving. I think I managed a 13.2 or 13.3 (I can't drive too well..). I still had the stock 3.46 diff then. I was happy with 12's from essentially a stock car, albeit with someone else driving (who can actually drive)..
Powerdyne
Some of you know we tried a powerdyne blower, but it didnt live up to my expectations, and I just wasnt willing to spend money with a matching exhaust/pulley/water injection for this particular kit. Pity it didnt work out really, because there is a strong chance I would have gone onto more serious FI after that... but anyway it was quickly sold to someone willing to work with the kit, and I moved on. I think the new owner was/is happy which is good.
Head and Cam
Russo picked up the car, and delivered it a few days later with the head & cam package, and a temporary tune (until I could get my head around cam tuning). Ordinarily i would have asked Russo to do the tune, but I had already invested in the tuning package, and wanted to dabble myself.. Russo installed 3.9 diff gears around then too.
Results
Circuit: Around Wakefield the car was awesome, punching up to 7000rpm repeatedly all day.. available power was way above my driving abilities thats for sure. Track times didnt immeditaly fall (mainly because of wheelspin) however some more practice finally netted a 1:10.9 around the track. I was stoked. I am sure a better driver could get it under 1:10's.
Drag: At the recent LS1 private day, with "the gun" Erik driving, he managed an 11.89 @ 116mph (http://trackchat.com.au/media/data/500/11_89_timeslip.jpg). Best speed was one or two MPH more than that on the day. We were running full weight (left the spare, jack in place etc) but with Mickey Thompson 235/60/15's on the back.
However my ordinary driving only managed a best ET/MPH of 12.2 @ 115mph. I did about 17 runs within 2~3 mins of each run, trying to get close! I just couldnt match Eriks time. Btw air temps were over 40* and track temps around 60* that day! I there is definitely more in it witht he cooler air, but I dont think I'll get to find out..
Dyno: Erik and I took our cars to Castle Hill exhaust for some Dyno time. Dale was great, taking us through all the "real time" tuning aspects of HPTuners. At the recent dyno day, the monaro pulled 309rwkw on the CHE dyno. The head and cam package yielding about 117rwkw over the stock number of 192rwkw. I will post up the before and after dyno numbers when i can get the scanner working.
Driving home: I still drive the long way home, every day. The car never fails to put a smile on my face. Russo Guys, a sincere big thanks for a great head and cam package guys.