01-12-2015, 09:50 PM
Theres more of a write-up on the gti6 forum, including many of the failings that i had such as writing off two eaton m62's, the first ecu that i bought was dead and various other little niggles.
Not pictured is the new Tial Q dump valve, i'm using this to sort out boost rather than how i tried initially with two throttle bodies, i hadnt got that setup perfected and thats what was killing the superchargers. In the end i gave up on that idea and rely purely on the throttle body on the manifold and allow the dump valve to clear the constant boost.
When getting the car mapped i was seeing 6psi of boost around 4000rpm (from memory) but that tails off to around 4psi by 7000rpm. I suspect that some of that is due to belt slip or similar. I'm now looking at finding a way to fit an auto tensioner to hopefully make sure that that isnt an issue, but this was all done in the early days of getting the car running and mapped with the dual throttle body setup.
Ideally the car could do with an hour on the rollers again to tweak the current map, but i've got two smaller pullies that i can fit to the 'charger to get more boost if i want it, they will also need the map tweaking to suit them. To be fair the car is more than powerful enough as it is until i fit a proper diff, it will spin up through the first 3 gears on road tyres on a damp road if i let it.
On the rollers it was getting 170bhp at the wheels even with the boost getting lower with revs, so thats probably somewhere in the lost 200bhp at the fly area.
For those that want a bit of whine:
https://www.youtube.com/watch?v=jUhGKRi158U
I took the car to Blyton park for its first trackday of the year, plenty of videos on youtube but once again, just a couple of clips in this post.
Drive-by:
https://www.youtube.com/watch?v=znrFZMrNL8c
Last session, the Alfa driver got black flagged for this
https://www.youtube.com/watch?v=U2WB9wr7yQI
That's it for updates as far as i can think. I did fit a new Satchshift kit when the engine went back in but i forgot to add photos of that. The car is once again SORN'd and sat in the garage for the winter. No major winter plans for it this year as supercharging it has killed me financially :lol
The small things i would like to do to it are sort the cooling issues, the oil is reaching 130+ on track, and coolant gets above 100c. I think i may add an air-oil cooler fitted before the laminova and make more of a shroud for the radiator so more air is forced through it.
I'd like a proper diff for it too, but that will have to wait until im a bit flush again.
Thanks for reading.
Not pictured is the new Tial Q dump valve, i'm using this to sort out boost rather than how i tried initially with two throttle bodies, i hadnt got that setup perfected and thats what was killing the superchargers. In the end i gave up on that idea and rely purely on the throttle body on the manifold and allow the dump valve to clear the constant boost.
When getting the car mapped i was seeing 6psi of boost around 4000rpm (from memory) but that tails off to around 4psi by 7000rpm. I suspect that some of that is due to belt slip or similar. I'm now looking at finding a way to fit an auto tensioner to hopefully make sure that that isnt an issue, but this was all done in the early days of getting the car running and mapped with the dual throttle body setup.
Ideally the car could do with an hour on the rollers again to tweak the current map, but i've got two smaller pullies that i can fit to the 'charger to get more boost if i want it, they will also need the map tweaking to suit them. To be fair the car is more than powerful enough as it is until i fit a proper diff, it will spin up through the first 3 gears on road tyres on a damp road if i let it.
On the rollers it was getting 170bhp at the wheels even with the boost getting lower with revs, so thats probably somewhere in the lost 200bhp at the fly area.
For those that want a bit of whine:
https://www.youtube.com/watch?v=jUhGKRi158U
I took the car to Blyton park for its first trackday of the year, plenty of videos on youtube but once again, just a couple of clips in this post.
Drive-by:
https://www.youtube.com/watch?v=znrFZMrNL8c
Last session, the Alfa driver got black flagged for this
https://www.youtube.com/watch?v=U2WB9wr7yQI
That's it for updates as far as i can think. I did fit a new Satchshift kit when the engine went back in but i forgot to add photos of that. The car is once again SORN'd and sat in the garage for the winter. No major winter plans for it this year as supercharging it has killed me financially :lol
The small things i would like to do to it are sort the cooling issues, the oil is reaching 130+ on track, and coolant gets above 100c. I think i may add an air-oil cooler fitted before the laminova and make more of a shroud for the radiator so more air is forced through it.
I'd like a proper diff for it too, but that will have to wait until im a bit flush again.
Thanks for reading.