June 06, 2020, 04:33:16 AM

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Messages - kinger

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1
Build Threads / Re: Kingers Garage
« on: June 05, 2020, 04:23:26 PM »
Yes totally agree on comment of swapping for 'reliability' the motor is solid but as I am learning things loosen, wear, rub, burn, etc over time and while you could make a case its 'always something' you could also say for a 25 year old Japanese car its pretty solid.  Its why we have them right! 

Heater hose was melted and now fixed YAY!  Drive on!!   :drive: :drive: :drive: :drive:

2
Build Threads / Re: 403 LS2 FD - LS7 Build for 2020!
« on: June 05, 2020, 04:21:26 PM »
I'm on 17x10 square with 255/275 NT01 F/R and I love how sharp turn in is.  Those Front tires are stretched slightly to fit that rim and if I ever had an encounter with a curb the rim would get toasted but man it feels fantastic.  Its nice to get the car to a level where we are pinching pennies so to speak on what tires and sizes grip best.  LOF made a comment I probably added 100 hp to the rear wheels in traction and I would say that is probably true.  The car was not that great to drive until I got it on a proper tire.  Enjoy optimizing it!

3
Holy sh** that is a lot to read!  I vaguely remember seeing that in my past searching.  I found my airflow table after I closed and re-opened HPtuners.  I SWEAR it wasn't there before LOL.  WTH. 

I will work on a bench tune this weekend. 

Do either of you have a tune you could attach?  I like doing the compare feature, if not no biggie.

Thanks all!

4
Build Threads / Re: FC widebody and a T56
« on: June 05, 2020, 11:05:24 AM »
Great looking dyno and tune if the AFR and RPMs are correct.  Enjoy!

5
Build Threads / Re: Kingers Garage
« on: June 05, 2020, 11:02:17 AM »
So I keep posting the happenings of the car just to help others who want to own one.  Instead of the build which is exciting and gives some false hope that once built you drive it problem free. 

Today I park the car at work after a nice spirited morning drive and its smoking out of passenger side.  I peak under the car and coolant everywhere.   :banghead:

I'm at work, in nice cloths, I call a local repair shop and see if they can sneak it in and get it on a lift.  I'm guessing its a melted heater hose as coolant was running down the headers.  I have a loaner car and at work awaiting a diagnoses. 

Just a good example of 25 yr old mod car fun; despite my best efforts to make this car perfect and it has been pretty close; but its will never be 100%.  Good message for would be owners!  Also this is starting with a "premium" build.  Get something in the Teens dollar wise with shady mechanics that think they are good, dear lord be ready!  I'll update after the weekend.  Thanks all!

6
I'll try the low timing at idle.  I looked back at all my paid tunes and none were less then 22 degrees.  i have 3 dyno tunes and 2 road tunes with pro's.  Also I cannot find the idle air flow table you're both referencing as well as the hptuners forum.  I have never adjusted it and assumed my VE table was the only adjustment?  There are air flow tables for derivatives and integrals but I don't think that's what I want. 

On a lessor note, the car was smoking this morning and puking coolant, looks like I may have burned through a heater hose or something, I have it at a shop trying to get it on a lift to check it out for me as I had to get to work.  Fun times!  If its simple and I can get it fixed I will try a new low timing tune with your recommendations. 

7
Interesting on the timing at idle, I had it cranked up to help with the dip and put a stall saver of 31 deg at 400 column.  Doing a lot of reading I don't think its out of line.  Very efficient motors with high compression need less.  Remember I'm at supposedly 10.4 CR (although my math is coming up with 9.9 CR) and not very efficient heads.  Both of you had good heads and high CR.  (11+). 

I tried smoother VE curves and it only made it worse, and finally gave up and added pockets of fuel where it was needing it and got to this yesterday and the car seems to run so great right now. 

Tune attached

Thanks!

8
There are a lot of things in the factory ECU that will cause that. They are all tied to fueling and airflow. It also depends on which ecu you are running.
You'll need to do some investigating to see which airflow tables are active while coasting. It was one of the hardest things to fix for me when I had the stock ECU.

Correct lots of tables and factors at play and I have been playing with zero'ing them out or disabling with large or small values to try and isolate. 

The main question is what should I look for in scan?  A normal STFT oscillating between 0-2, -10 and +10, Spark is stable, WB is stable, etc?? 

9
Post up a log file from HPT.  Do we have any way to attach files here?

You're talking about when you're in gear and you push the clutch in, sometimes the idle undershoots and oscillates and other times it falls right to the set point?

That's correct on the oscillation. 

Attached is the HPT log

10
Just dialing in my idle while the clutch is pressed in coasting.  It used to be all over and I dialed in my spark tables and got it really close.  I think I'm done with the spark tuning now.   Just cleaning up my VE table now and my STFTs oscillate between -7 and +5 as the idle bounces slightly between 1070-820 (idle set at 875).  My AEM WB shows 13.8-14.9 roughly and oscillates with the STFTs.

How good is good?  It only does this occasionally.  Sometimes its falls and stops hard at idle and stays there, I'm splitting hairs and have it working almost OEM like stability now.  Mostly I am just enjoying tuning and playing with the performance.  I have it ripping!  So much cleaner! 

Thanks!

11
Build Threads / Re: Esser's LS3 FD RX-7 R1
« on: June 03, 2020, 05:34:30 PM »

I had other plans with this car to go faster (turbo and the like), but I decided to just leave it alone. The chassis is just so balanced with 480 whp and drives excellent. I dont want to lose that, and I'm just going to continue to enjoy driving the car. I'm saving the go fast stuff for my new project .... 280Z

This will make LOF VERY happy to hear! He is always coaching people to enjoy the perfect balance and really insane speed the car is capable of with this power level.  I wanted a procharger bad for 700hp but more weight up front, too much power to put to road on stock body even rolled fenders.  I'm going to do a optimized 383 get to your power level or slightly higher 500 ish rwp and then I am done.  Its already great to drive the new head/cam would be for snappiness and port velocity to help improve my midrange power and mpg.  The more I drive it the more I am confident this is the right power for the car. 

Car looks sick BTW!!

12
Build Threads / Re: Drew's 1993 Rx7/LS Turbo Build Thread
« on: June 02, 2020, 03:33:07 PM »
Amazing how nice they fit in this chassis.  Did it fight you at all going in with trans installed?

13
Build Threads / Re: 403 LS2 FD - LS7 Build for 2020!
« on: June 02, 2020, 03:27:03 PM »
For sure on both tires and better heads/Cam.  I should have bought Exidous MMS heads but I wasn't ready and I hate it when stuff sits around and collects dust.  Someday! 

14
Build Threads / Re: 403 LS2 FD - LS7 Build for 2020!
« on: June 01, 2020, 10:14:00 PM »
I want a 4.125+ bore engine so bad but LOF advice is solid.  I will put some top shelf Mamo
Heads and a proper NA cam someday and call it good.  The balance is sooo good right now at 430whp on the heartbreaker dyno.  If I can eek out 500-510whp Iím done.  Perfect for this car.  I just want to put the dang HPR 7.7 L in just cause of the sevens lol.  Dumb, expensive, and I will probably just stay with 6.3L. 

Love this build so much!!  22,000 miles is good!  I have around 20k on mine now too.  Itís just feeling better and smoother now that I have been playing with HPtuners more.  Dialed in my rolling idle dip today!  Such a nice car!!


Sent from my iPhone using Tapatalk

15
Build Threads / Re: 403 LS2 FD - LS7 Build for 2020!
« on: June 01, 2020, 10:37:30 AM »
That's amazing power!  I bet its a blast to drive!  I think you should just sell me the LS7 and enjoy this one  :D

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