The 60-1 is running decently well, but then I saw this 911 Turbo today :(
03-21-03, 01:44 AM
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The 60-1 is running decently well, but then I saw this 911 Turbo today :(
A bit of an update on my car... The 60-1 is running reasonably well, NPR front mount keeps things a lot cooler than before (although i've got the air filter sucking in radiator air, and the IC pipes still need to be heat wrapped). 0-60 runs are ~5 seconds at the moment, and the car is spinning 46.5lb wheels/225/45ZR17 Falken Azenis Sports pretty decently on the 1-2 shift 
I took a couple shoddy 60-90 runs a week or so ago, and it looks like they're at about 4.5 seconds (this was at ~10psi, now running 15). I'd like to bump the boost up to 20psi or so sometime soon, anybody know what this requires? It's a stock port S5 engine btw. Timing at 15-16 psi is about 11*, with a 12-13* split (pretty conservative I think). AFR according to datalogged values on the techedge WB is right around 11:1.
So.... I saw a 911 turbo today, right after I was done thoroughly heat-soaking my poor car. I took a few people for rides (got 3 gallons of gas outta it... of course now that I think about it I burnt about 5... oh well). On the last 'round' I followed a new black 911 Turbo around for a bit before deciding that, despite his ability to reduce my ego to a smouldering pile of ashes with a quick right-foot-spasm, he wasn't going to do so (damn... he even knows he's above my level )
So, as far as water injection goes, does anybody know much about it? I was thinking that a methanol / H2O mix might be a bit better, because the alcohol should cool things down pretty nicely when it evaporates (or am I way off base here?). I wonder how good the nozzle has to be, and how much pressure I'd have to run. Maybe there's a good use for my old fuel pump! See, I have this nifty cavern where the spare tire used to go, in which I could probably jam a good sized fluid reservoir and associated pumps, etc....
I'd better go get a $50, 50HP, 50mph, 50mpg junky car to drive around town in before I do something stupid (like attempt 20psi without water injection and send little bits of 2mm wide steel through my turbo...whoops). I wonder what a turbo rebuild on top of an engine rebuild costs...
My tranny doesn't like shifting as fast as I do, dammit. I got a 0.2 second (datalog verified) 1-2 shift in earlier today... felt that one grind. I wonder if it's possible to machine dog-teeth for the tranny and ditch the syncros. Might make an interesting senior project, although I don't know where to do all the machining (I think that's a bit past the 6-pack-'o-beer-for-a-favor local machine shop limit, hehe).
Anybody know of any good dynos in Southern CA? I'd like to get a run or two in just to verify my AFR readings and see what the car puts out. Cheap is good here
-Manolis
...researching water injection -- I probably shouldn't tell that to my english teacher tomorrow when i'm explaining why my english project, um, didn't make it to class with me somehow
I took a couple shoddy 60-90 runs a week or so ago, and it looks like they're at about 4.5 seconds (this was at ~10psi, now running 15). I'd like to bump the boost up to 20psi or so sometime soon, anybody know what this requires? It's a stock port S5 engine btw. Timing at 15-16 psi is about 11*, with a 12-13* split (pretty conservative I think). AFR according to datalogged values on the techedge WB is right around 11:1.So.... I saw a 911 turbo today, right after I was done thoroughly heat-soaking my poor car. I took a few people for rides (got 3 gallons of gas outta it... of course now that I think about it I burnt about 5... oh well
). On the last 'round' I followed a new black 911 Turbo around for a bit before deciding that, despite his ability to reduce my ego to a smouldering pile of ashes with a quick right-foot-spasm, he wasn't going to do so (damn... he even knows he's above my level )So, as far as water injection goes, does anybody know much about it? I was thinking that a methanol / H2O mix might be a bit better, because the alcohol should cool things down pretty nicely when it evaporates (or am I way off base here?). I wonder how good the nozzle has to be, and how much pressure I'd have to run. Maybe there's a good use for my old fuel pump
! See, I have this nifty cavern where the spare tire used to go, in which I could probably jam a good sized fluid reservoir and associated pumps, etc....I'd better go get a $50, 50HP, 50mph, 50mpg junky car to drive around town in before I do something stupid (like attempt 20psi without water injection and send little bits of 2mm wide steel through my turbo...whoops). I wonder what a turbo rebuild on top of an engine rebuild costs...
My tranny doesn't like shifting as fast as I do, dammit. I got a 0.2 second (datalog verified) 1-2 shift in earlier today... felt that one grind
. I wonder if it's possible to machine dog-teeth for the tranny and ditch the syncros. Might make an interesting senior project, although I don't know where to do all the machining (I think that's a bit past the 6-pack-'o-beer-for-a-favor local machine shop limit, hehe).Anybody know of any good dynos in Southern CA? I'd like to get a run or two in just to verify my AFR readings and see what the car puts out. Cheap is good here
-Manolis
...researching water injection -- I probably shouldn't tell that to my english teacher tomorrow when i'm explaining why my english project, um, didn't make it to class with me somehow
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