GT2871 Highway pull and dyno graph.
1 Attachment(s)
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Looks like the boost hits like a wall :).
Nice car man! |
Man that sounds nice. Can you post some pics of your setup?
What rear end are you using with the 6 speed? |
Hauls ass. Nice setup
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I will snap some pics when I'm working this week. I'm using the 4.10 rear. It is a handful for sure, lots of shifting.
Here's some more videos. Count the shifts on the drag strip video. 6th gear crossing the traps. |
im glad to see u still out and kicking ass wes
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I need to crank the boost up, like the old days.
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What intake manifold are you running, and what exhaust manifold?
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Great numbers!
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Stock 99 intake manifold and begi cast exhaust mani.
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vid of gauge cluster instead of road please?
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how much boost and what kind of timing are you running in boost?
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Nice videos.
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1 Attachment(s)
Originally Posted by Faeflora
(Post 694216)
vid of gauge cluster instead of road please?
Originally Posted by 18psi
(Post 694220)
how much boost and what kind of timing are you running in boost?
Lots of timing. Attachment 190719
Originally Posted by Gotpsi?
(Post 694293)
How much fuel pressure are you running, is your sig correct when it say your using 550cc injectors?
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Holy shit:eek5:
That is a ton of timing in boost. out of boost though most of us run ~40 or so. could probably bump that up. Thanx for posting the spark map. I'm always dying to see other e85 cars spark maps |
Wow, that must be almost 10 degrees more than me under boost.
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build a motor with low compression pistons and you too can have more advanced spark.
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Originally Posted by Braineack
(Post 694320)
build a motor with low compression pistons and you too can have more advanced spark.
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I thought he was on e85?
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What compressor trim 2871? 48, 52, 56?
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Judging by his injector size in his signature, I don't think he's on E85. I do see WI, however, how the hell are you not getting detonation?
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I have sigs disabled FTL
That makes it even more insane then: all that boost/timing on pump gas+w/i? You have balls lol |
WI makes that timing graph make sense. I was like holy fuck shit at first though.
Brain those pistons are only 9:1. Not super low comp. |
8.7:1 is super low, 9:1 is low. Got it.
thanks for the clarification. |
Originally Posted by wes65
(Post 694314)
Yes, I will get another video.
I did a lot of adjusting on my boost controller but usually between 17-19psi. Lots of timing. http://i255.photobucket.com/albums/h...565/ignadv.jpg Stock fuel pressure, 550cc injectors. I recommend you pull 3* or so from 128kpa+ if you ever plan to put the car on the track. That spark table can work on the street, but considering time where I'm running the car from 100-158mph every lap, pulling some spark angle makes sense for reliability. I keep telling myself to install the EGT gauge and get better data, but that requires drilling into the AF manifold and I don't have the heart to do that. I'll post my spark table later, but this dyno sheet shows the progression to MBT while tuning at low boost for NASATT classing. I added 2* on each pull and you can clearly see that red is the greatest output, green is advanced beyond MBT, and blue is where I started and where I left it. I'm not sure how much extra heat that 3* retard from MBT puts in the exhaust, but I still see <190*f radiator inlet temps.
Originally Posted by Faeflora
(Post 694360)
WI makes that timing graph make sense. I was like holy fuck shit at first though.
Brain those pistons are only 9:1. Not super low comp.
Originally Posted by Braineack
(Post 694363)
8.7:1 is super low, 9:1 is low. Got it.
thanks for the clarification. |
Originally Posted by Braineack
(Post 694363)
8.7:1 is super low, 9:1 is low. Got it.
thanks for the clarification. |
Originally Posted by Braineack
(Post 694363)
8.7:1 is super low, 9:1 is low. Got it.
thanks for the clarification. I'll be doing a piston swap to 5.1:1 soon so I can run >100*
Originally Posted by hustler
(Post 694364)
My spark table is very similar, but I can't find it on the forum and I'm at work so you get no pics.
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Originally Posted by 18psi
(Post 694367)
and anything lower is just LO AS A HO ON DA FLO
I'll be doing a piston swap to 5.1:1 soon so I can run >100* yours goes up to 23* IIRC |
Originally Posted by 18psi
(Post 694316)
Holy shit:eek5:
That is a ton of timing in boost. out of boost though most of us run ~40 or so. could probably bump that up. Thanx for posting the spark map. I'm always dying to see other e85 cars spark maps
Originally Posted by magnamx-5
(Post 694328)
ahem WI has alil something to do with his succes as well.
Originally Posted by TurboTim
(Post 694337)
What compressor trim 2871? 48, 52, 56?
Originally Posted by 18psi
(Post 694342)
I have sigs disabled FTL
That makes it even more insane then: all that boost/timing on pump gas+w/i? You have balls lol
Originally Posted by hustler
(Post 694364)
My early spark tables are very similar, but I can't find it on the forum and I'm at work so you get no pics. However, I run my spark angle a bit lower today after I started letting the dyno pull-down the motor to get a good, realistic track-like duty cycle going, while using Jeff C's det cans. I wouldn't say I heard detonation, but there is a change in the combustion sound, slightly off-rhythm when doing this procedure. That sound made me yank a couple degrees and the syncopation-rhythm went away.
I recommend you pull 3* or so from 128kpa+ if you ever plan to put the car on the track. That spark table can work on the street, but considering time where I'm running the car from 100-158mph every lap, pulling some spark angle makes sense for reliability. I keep telling myself to install the EGT gauge and get better data, but that requires drilling into the AF manifold and I don't have the heart to do that. I'll post my spark table later, but this dyno sheet shows the progression to MBT while tuning at low boost for NASATT classing. I added 2* on each pull and you can clearly see that red is the greatest output, green is advanced beyond MBT, and blue is where I started and where I left it. I'm not sure how much extra heat that 3* retard from MBT puts in the exhaust, but I still see <190*f radiator inlet temps. Ah shit, disregard everything I just posted...maybe I'll leave it for the good of the people. It's even lower if he's on an early 1.8 bottom end and a 99 head. |
Originally Posted by wes65
(Post 694398)
I am running a 96 bottom end and 99 head, does that mean my compression is lower than 9:1?
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You wouldn't happen to know your launch control settings would you? No matter what I do mine tends to want to hesitate to launch rpm and never seems consistent.
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1 Attachment(s)
Originally Posted by Sokool
(Post 694484)
You wouldn't happen to know your launch control settings would you? No matter what I do mine tends to want to hesitate to launch rpm and never seems consistent.
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56trim 2871...nice. Turbine A/R?
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Originally Posted by wes65
(Post 694617)
Here's my msq.
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245whp, 11psi, track safe in my opinion:
http://i55.tinypic.com/23k5rc.jpg I had to drop to 9psi and lower spark to hit 210whp for TTB bullshit classing. |
2 Attachment(s)
Originally Posted by TurboTim
(Post 694681)
56trim 2871...nice. Turbine A/R?
http://www.atpturbo.com/mm5/merchant...egory_Code=GRT Thats the one i bought. Attachment 190708 And for some reason, i cant help myself but to post a picture of this baby. This is my favorite part of the car. Attachment 190709
Originally Posted by hustler
(Post 694690)
245whp, 11psi, track safe in my opinion:
I had to drop to 9psi and lower spark to hit 210whp for TTB bullshit classing.
Originally Posted by hustler
(Post 694690)
It's even lower if he's on an early 1.8 bottom end and a 99 head.
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Originally Posted by wes65
(Post 694731)
You never answered our question about this statement.
There's a rumor in town that the 949 clutch overheats on long drives for some reason, can you attest to this? I hope this is the case, it will save me some money. I guess you also agree that this clutch changes the game and makes you smile every time you drive it? I'm always giddy when I hop in John's car and I'd really like to get one in my car. I have a standard weight clutch assembly right now and I'd really like to downshift faster, especially with the tight ratios; I've been skipping gears on every downshift. |
Originally Posted by hustler
(Post 694745)
There's a rumor in town that the 949 clutch overheats on long drives for some reason, can you attest to this? I hope this is the case, it will save me some money.
I guess you also agree that this clutch changes the game and makes you smile every time you drive it? I'm always giddy when I hop in John's car and I'd really like to get one in my car. I have a standard weight clutch assembly right now and I'd really like to downshift faster, especially with the tight ratios; I've been skipping gears on every downshift. |
Originally Posted by hustler
(Post 694745)
There's a rumor in town that the 949 clutch overheats on long drives for some reason, can you attest to this? I hope this is the case, it will save me some money.
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I thought you sold that clutch.
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Originally Posted by Gotpsi?
(Post 694778)
I thought you sold that clutch.
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Glad you didn't. Your car/setup is sweet
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Originally Posted by 18psi
(Post 694800)
Glad you didn't. Your car/setup is sweet
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nice vids, setup, and driving
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Originally Posted by hustler
(Post 694745)
John and I put a few 99-heads on early 1.8 bottom ends and they never seem to make more power aside form a slight increase in mid-range. I'm not sure if the cams mount higher, altering the cam timing (VW issue) or if the deck is higher but something strange is going on. The next time we have the two lying around maybe he and I can measure.
I'm assuming its the difference in cam profile but I never got any better than 165 psi on a compression test (all 4), 94 block/99 head, 9:1 pistons. Also, cylinder leakage was 1-2%. No complaints as far as power (other than the fact that I'm N/A), but I found it kind of odd. |
That's a competition clutch right? That sticker looks like it from my phone.
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You're in WI? Everything looks nice, I'm looking for somewhere to get a Megasquirt and have it tuned locally since I don't really know what I'm doing.
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Originally Posted by _spyder
(Post 695357)
You're in WI? Everything looks nice, I'm looking for somewhere to get a Megasquirt and have it tuned locally since I don't really know what I'm doing.
Originally Posted by Under_Pressure
(Post 695135)
That's a competition clutch right? That sticker looks like it from my phone.
This one. |
Originally Posted by hustler
(Post 694745)
..There's a rumor in town that the 949 clutch overheats on long drives for some reason, can you attest to this? .
Sorry dude, you still want one :) |
Your videos are awesome. Thanks for sharing and inspiring!
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