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03-14-2017, 09:37 AM | #91 | ||
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.................................................. .................................................. ........ wrapped my car over the weekend. Looks much better in picture.. in real life, bubbles/wrinkles are everywhere |
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03-16-2017, 09:06 AM | #92 |
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I changed out my water pump yesterday to proper s13 one.
I really appreciate your comment ralliartrsx! Now I definately see why s14 one would not work properly. s13 left, s14/15 right You can see that the difference in depth when the pump is mounted. I would think this would either A. not move enough fluid or B. cause cavitation, or C. both. |
03-20-2017, 10:15 AM | #94 | |
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.................................................. .................................................. ...... Past Friday, I went to Koji @ Auto Talent for yet another tune as I noticed extremely high exhaust temperature with my previous tune. I'm glad I went. I found out that the car was making a lot less power than I thought.. around 260hp . Koji thought that it was due to my compression being high (9:1). Car does drive much better with Koji's tune along with idle/part throttle all improving. Easiest solution would be to run E85 and change out the injectors/lines but since my run group does not allow that, I'll be taking a longer route. I will be lowering my compression (1.8mm head gasket), change out the intake manifold (freddy), and change out the fuel rail and injectors. I'm somewhat bummed by the whole situation but need to move forward. Installed the splitter back on. |
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03-24-2017, 04:30 AM | #97 | |
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Unless the tune prior to going to koji was not appropriate, you should both be making more power and the car should be more tractable in and out of boost. Ask koji what he means by that statement. He should be able to eek out atleast 300WHP with almost as much torque with no knock issues. |
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03-24-2017, 08:54 AM | #99 | |||
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I built the car originally for redline time attack until I found out about the Nissan challenge. I like running with corner3 and speedventure so I think I'm gonna stick to it this year.
I would like to do the global time attack but the rules conflict a little. Quote:
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9:1 theoretically should make more power but for whatever reason, it started knocking as soon as boost started settling in. Before setting up a dyno time, Koji explained that from his previous experience, 9:1 usually knocks bad and stated that my set up will not make more than 280 @ the wheel. I'm guessing the previous tuner pulled timing to avoid knock, which caused my egt to get so high. I've sourced most of the parts which involves dropping CR to 8.5:1 (head gasket) along with bigger/better injectors, pumps, and intake. I'm planning on doing these after the 4/1 event and go back to Koji. I really appreciate your concern! Feel free to comment on whatever! Quote:
.................................................. .................................................. .................................................. .................................................. .................................................. .................................................. . I've also added a separate relay that powers the fuel pump. Last edited by battery1882; 03-24-2017 at 09:53 AM.. |
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03-24-2017, 06:01 PM | #100 | |
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From what I'm reading & previous experience the high EGT's you are experiencing (how hot are your EGT's?) are due to high back pressure. My Car has factory internals with a 1.5mm HG Factory S14 T28 with Denso 550cc injectors. at ACS I was seeing EGT's as hot as 810*C (I don't have a cat) I was reading my EGT's 1.75" away from cylinder 3 exhaust port. Between ACS & Buttonwillow I made a test to test the theory & got some success. I port matched my Manifold to my head, Manifold to the Turbo gasket, turbo gasket to the turbo inlet & made a better transition from the elbow flange to the bellmouth. at Buttonwillow i never saw EGT's hotter than 760*C on the same exact tune before my waterpump checked out. I run my car pretty rich too to help with the hot EGT's I overheard a few people saying i'm burning rotary type fireballs after the bank. (wish i had pics) and a few guys at buttonwillow said the same thing. I would recommend welding a 38 or 40mm external wastegate to a ported stock manifold for best results with the GT2871R it'll help bring those EGT's down quite a bit that's what I'll be doing for my car. |
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03-27-2017, 09:31 AM | #102 | |
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I am interested in your finding but my egt temp was up to 950 Celsius and my sensor is mounted after the turbo. So I think it was definitely timing related. I will find out more at the next event and report back. I am considering the ext. wastegate option though! Again thanks, Awesome man, thank you! |
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04-03-2017, 09:16 AM | #104 | |
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.................................................. .................................................. ...... Nissan Challenge Rd. 3 Big willow It was my first time at this track. I've always wanted to go but never had a chance til this day. Amazing track! I was able to do 1:33.002 and get second place. This was the second fastest group so the drivers were not super fast, but It was cool passing some high end cars I think my radiator may be clogged somewhere or I have a blown head gasket. either way, I was planning on doing all of this so I will report back! It was nice to see alot of Nissan guys! |
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04-03-2017, 11:49 AM | #105 | |
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I thoroughly feel your pain right now lol. in the same process right now haha. |
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04-03-2017, 02:07 PM | #107 | |
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I'm running in Class 2, mostly with 350z guys. hope to see you soon! |
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04-03-2017, 02:39 PM | #108 |
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Hey! Am running in the same class but can't to touch your times. From what I heard it was mostly Z guys and GTRs till this year. I was also running in the slower group with speed ventures.
What go pro do you have? I think there might be away to take that glare out. Where you also driving the 350z or just a passenger? Will you have that done by the next event? Is that mixture of oil and radiator fluid in the radiator can't tell? Keep us posted. See you next time. |
04-03-2017, 02:56 PM | #109 | |
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04-03-2017, 07:10 PM | #110 |
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Awesome driving man! Cool to see you passing caymans and mclarens on the outside haha. I keep forgetting its green up at WSIR right now, so weird seeing something other than dead out here.
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04-04-2017, 10:11 AM | #111 | |
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I have some cheap fake gopro haha. I was riding passenger in sergio's 350z I think I may have some blockage in my radiator, so I will be changing it out. See you soon man! your car is beast! Awesome! What car and engine do you have? tires? Thank you! yeah it was great seeing some green! |
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04-04-2017, 10:17 AM | #112 |
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04-04-2017, 02:33 PM | #115 | |
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stock t28 is class 3. anything bigger than t28 (i.e. 2860, 2871) would be class 2. And no aero on class 3 like you said. see you guys soon! |
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04-05-2017, 11:21 AM | #118 | |
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Bardabe, we have 4 classes now. Last year was just 3.
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04-05-2017, 11:42 AM | #119 | |
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Vatche : Would bardabe be in class 3 this year? |
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04-10-2017, 11:37 AM | #120 |
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Pulled head and found that #1/#4 pistons are slightly melted around the edges. This is probably from extreme exhaust temperature..
I decided to just run this till I blow it up. fingers crossed. Time to find a spare short block again. Smoothed out the ports on freddy manifold got the fabric for my recaros! What do you do with the left over fabric? what else but for soju and toy cups lol |
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