81 Regal 5.3 PT7675 build-9.94@138.5mph - Page 3 - LS1TECH - Camaro and Firebird Forum Discussion

Notices
Forced Induction Superchargers | Turbochargers | Intercoolers

81 Regal 5.3 PT7675 [email protected]

 
Old 03-07-2016, 07:08 PM
  #41  
TECH Apprentice
Thread Starter
iTrader: (21)
 
bigmandengo's Avatar
 
Join Date: Dec 2009
Location: WI
Posts: 368
Default

Update: The car needs to be able to launch this season so I've made a few upgrades. Added a Circle D 2B multi-disc converter with a Hughes SFI flexplate and a MSD 2 step. Also, the new fuel system is installed. Should have nice enough weather next month for a some track numbers on the new setup.

Name:  IMG_20160307_114218_zpscsf6jljr.jpg
Views: 933
Size:  326.9 KB

Name:  IMG_20160307_114346_zpsgreahk9c.jpg
Views: 925
Size:  306.3 KB
bigmandengo is offline  
Old 03-09-2016, 07:05 AM
  #42  
TECH Addict
iTrader: (12)
 
Join Date: Nov 2002
Location: Minneapolis,MN
Posts: 2,267
Default

Excited to see your progress this summer.
LS1NOVA is offline  
Old 04-24-2016, 09:59 AM
  #43  
TECH Apprentice
Thread Starter
iTrader: (21)
 
bigmandengo's Avatar
 
Join Date: Dec 2009
Location: WI
Posts: 368
Default

This weekend, I made it to Byron dragway to test out the new converter and 2 step. I ended up with a new personal best of 10.91 at 125 mph, however, I think the converter is slipping too much. With 3.25 gears and a 28" tire, the trap rpm is about 5950 at 125 mph. Still running the stock 5.3 cam so the rev limiter is set to 6000 rpm.

Name:  4-23-16%2010.91%20trap%20log_zps2fodebm0.png
Views: 927
Size:  269.5 KB
bigmandengo is offline  
Old 04-24-2016, 12:24 PM
  #44  
TECH Fanatic
iTrader: (1)
 
Join Date: Aug 2014
Posts: 1,537
Default

What's the rpm drop on the shifts? Also, seems like you're at 14 degrees of timing right off the bat?
3 window is online now  
Old 04-24-2016, 01:23 PM
  #45  
TECH Apprentice
Thread Starter
iTrader: (21)
 
bigmandengo's Avatar
 
Join Date: Dec 2009
Location: WI
Posts: 368
Default

Originally Posted by 3 window View Post
What's the rpm drop on the shifts? Also, seems like you're at 14 degrees of timing right off the bat?
The rpms bounced off the 6k rpm rev limiter before the shifts and it looks like 1-2 dropped to 5000 and 2-3 dropped to 5400.. Some shift tuning needs to be done after the converter swap yet.

My timing table..
bigmandengo is offline  
Old 04-24-2016, 05:28 PM
  #46  
TECH Fanatic
iTrader: (1)
 
Join Date: Aug 2014
Posts: 1,537
Default

Up the limiter a few hundred so you don't hit it unless something goes bad. I'm not familiar with the cyl/air mass axis. Gimme an idea of kpa or boost vs cyl/air mass.
3 window is online now  
Old 04-24-2016, 07:15 PM
  #47  
On The Tree
 
Join Date: Oct 2009
Posts: 141
Default

Haven't been on here in a while!!! I really like that tank set up, makes me wish I didn't have the ractronics setup...

I got a lot done on the car over the winter but she's not running yet but after reading through your thread I really want to get back to it and start picking away at all the parts I do have!

Good luck getting the little bugs worked out can't wait to see how the season goes!
toyin is offline  
Old 04-24-2016, 09:15 PM
  #48  
TECH Apprentice
Thread Starter
iTrader: (21)
 
bigmandengo's Avatar
 
Join Date: Dec 2009
Location: WI
Posts: 368
Default

Originally Posted by LS1NOVA View Post
Excited to see your progress this summer.
Good to hear from you Nate. It should be a fun summer with lots of updates.

Originally Posted by 3 window View Post
Up the limiter a few hundred so you don't hit it unless something goes bad. I'm not familiar with the cyl/air mass axis. Gimme an idea of kpa or boost vs cyl/air mass.
I bumped the limiter up to 6300 and I think I found the issue with the late shifts. The trans revolutions/mile value was off a bit, which is what the ecm references for shifting/tcc.

To be honest with you, I cant tell you how cyl air mass value converts to boost or kpa. I built the table with help and also referenced other turbo tunes. With that said though, I want to say the spark table gets maxed out at fairly low boost and just maintains the last value in the table as boost rises. I'm certainly open to suggestions to improve the table.

Originally Posted by toyin View Post
Haven't been on here in a while!!! I really like that tank set up, makes me wish I didn't have the ractronics setup...

I got a lot done on the car over the winter but she's not running yet but after reading through your thread I really want to get back to it and start picking away at all the parts I do have!

Good luck getting the little bugs worked out can't wait to see how the season goes!
Thanks Toyin. I'm really happy with the new tank/pumps setup so far. I had no complaints about the racetronix setup either. Unfortunately, there was just no bolt in option for dual e85 pumps.

Glad to hear the car is coming along and glad I can help get you back at it! A lot more work goes into these builds than it looks. Keep things simple to get the car going and to build your motivation. Im having a blast taking things one step at a time, enjoying the car and only bringing the car down for one upgrade at a time so I can keep enjoying it. Its too easy to get burned out on a snowballed project.
bigmandengo is offline  
Old 04-25-2016, 08:21 AM
  #49  
On The Tree
 
Join Date: Oct 2009
Posts: 141
Default

Now your making me nervous... I was told when I bought the racetronics kit that it was a duel fuel pump gas or E85 I was going to start making a list of what I have already and probably start a build thread here soon as I get time! If you don't mind me asking how much do you think you have in your current fuel set up?
toyin is offline  
Old 04-25-2016, 10:13 AM
  #50  
TECH Apprentice
Thread Starter
iTrader: (21)
 
bigmandengo's Avatar
 
Join Date: Dec 2009
Location: WI
Posts: 368
Default

Originally Posted by toyin View Post
Now your making me nervous... I was told when I bought the racetronics kit that it was a duel fuel pump gas or E85 I was going to start making a list of what I have already and probably start a build thread here soon as I get time! If you don't mind me asking how much do you think you have in your current fuel set up?
Haha. Don't be nervous. Tons of guys are running walbro style 255/340 pumps on e85. I just wanted the extra reliability and flow of the e85 designed pumps and I really like how quiet they are.

It looks like I have $8-900 in the tank/pump setup and probably another $100 in wiring. Pm me if you're looking for help modifying a tank.
bigmandengo is offline  
Old 05-05-2016, 12:01 PM
  #51  
TECH Apprentice
Thread Starter
iTrader: (21)
 
bigmandengo's Avatar
 
Join Date: Dec 2009
Location: WI
Posts: 368
Default

New parts arrived for the Buick..

Trickflow 216/220 cam
ATI Super Damper with A/C pulley
LS2 timing chain
LS2 timing chain dampener with trickflow bracket
160 thermostat

Name:  IMG_20160502_105506_zpspyc8obuv.jpg
Views: 940
Size:  139.8 KB

Name:  IMG_20160502_104302_zpskaw7mhcm.jpg
Views: 943
Size:  286.1 KB

Also, it was time to finish up the A/C install.
Name:  IMG_20160503_193312_zpszmkfxoqr.jpg
Views: 920
Size:  271.7 KB

My original oil drain just barely sneeks in under the compressor. This was a relief and saved alot of effort.
Name:  IMG_20160503_193408_zpsf85dkeie.jpg
Views: 915
Size:  264.3 KB

I used the stock hard liquid line from a cutlass with an adapter for the pressure transducer and crimped the other two lines with a mastercool manual crimper (worked great!). The compressor needed adapter fittings, which I bought off ebay and the rest of the fittings were from coldhose.com
Name:  IMG_20160504_103123_zpsaayzjcd8.jpg
Views: 916
Size:  263.1 KB

Cam and A/C install all buttoned up.
Name:  IMG_20160505_115349_zps0ujltxto.jpg
Views: 926
Size:  279.4 KB
bigmandengo is offline  
Old 05-05-2016, 12:04 PM
  #52  
TECH Resident
iTrader: (2)
 
408GT's Avatar
 
Join Date: Jan 2008
Location: GA
Posts: 833
Default

Very nice build. I like what you did with the fuel tank.
408GT is offline  
Old 05-16-2016, 10:02 AM
  #53  
TECH Apprentice
Thread Starter
iTrader: (21)
 
bigmandengo's Avatar
 
Join Date: Dec 2009
Location: WI
Posts: 368
Default

Track update:
This weekend I made the 200 mile round trip to Great Lakes Dragaway with the Buick to make some passes. This is after the road trip to Byron on Saturday that was a bust when the track would not open for weather. So 500+ miles on the car this weekend.

Anyways, the weather on Sunday was great in Union Grove, WI and the car was able to make a couple passes. I made 2 turns on the manual boost controller to increase the boost from 12 psi. It turns out, two turns equates to 20 psi of boost haha. That was a complete surprise as the plan was around 17-18psi. Air/Fuel was also pig rich at 10:1 and timing was at 14 degrees. On the first pass, my goal of 10.5 at 130+ was easily met but I still needed to make another pass to log it with hptuners. Apparently, the magnetic mount that holds the tablet to the dash could not handle the extra boost and as soon as the car launched it flew off the dash and into the back seat, unplugging itself at 18mph.

Name:  IMG_20160516_090713_edit_1463407657966_zpsbakawopq.jpg
Views: 908
Size:  214.6 KB

This cheap TrickFlow cam made a hell of a difference! As far as the converter goes, it's still slipping about 16% at the traps. I can still get the free re-stall from Circle D so Ill send that back while i'm welding in the roll bar.
bigmandengo is offline  
Old 05-16-2016, 10:26 AM
  #54  
TECH Resident
iTrader: (2)
 
408GT's Avatar
 
Join Date: Jan 2008
Location: GA
Posts: 833
Default

Great passes man. That thing is going to move once you get it dialed in and get the converter slip down.
408GT is offline  
Old 05-16-2016, 12:06 PM
  #55  
TECH Fanatic
iTrader: (1)
 
Join Date: Aug 2014
Posts: 1,537
Default

That thing's gotta out you in the seat pretty well once it's rollin! To go 10.20s at 135+ with a 1.60 60 foot time is pretty good. Nail down the 60 and you've got a 9 second ride all day long. One that you can dive to the track, no less.
3 window is online now  
Old 05-16-2016, 12:16 PM
  #56  
TECH Fanatic
 
svslow's Avatar
 
Join Date: Oct 2015
Location: Royal Oak, MI
Posts: 1,225
Default

Any idea what it weighs?
svslow is online now  
Old 05-16-2016, 12:51 PM
  #57  
TECH Apprentice
Thread Starter
iTrader: (21)
 
bigmandengo's Avatar
 
Join Date: Dec 2009
Location: WI
Posts: 368
Default

Originally Posted by 408GT View Post
Great passes man. That thing is going to move once you get it dialed in and get the converter slip down.
Originally Posted by 3 window View Post
That thing's gotta out you in the seat pretty well once it's rollin! To go 10.20s at 135+ with a 1.60 60 foot time is pretty good. Nail down the 60 and you've got a 9 second ride all day long. One that you can dive to the track, no less.
Originally Posted by svslow View Post
Any idea what it weighs?
Thanks guys. The plan from the get go was a 9.99 car and only a 6 point roll bar. I would like to stick with it for my wallet's sake. With that said, that 9 second pass is taunting me now. If I launch on more boost than I did yesterday(2 psi), I've got it easily. This car hooks really well considering how simple the suspension setup is. 1.4/1.5 60 fts shouldnt be too much of an issue.

I've never weighed it. The car does have an iron block, 4l80e, A/C, all steel car and a full interior. I'd guess 3800 lbs with me in it.
bigmandengo is offline  
Old 05-16-2016, 01:09 PM
  #58  
TECH Resident
iTrader: (2)
 
408GT's Avatar
 
Join Date: Jan 2008
Location: GA
Posts: 833
Default

That's very impressive, especially at that weight! Can't wait to see some 9's out of it. Do you have any videos?
408GT is offline  
Old 05-16-2016, 09:16 PM
  #59  
TECH Apprentice
Thread Starter
iTrader: (21)
 
bigmandengo's Avatar
 
Join Date: Dec 2009
Location: WI
Posts: 368
Default

Originally Posted by 408GT View Post
That's very impressive, especially at that weight! Can't wait to see some 9's out of it. Do you have any videos?
Theres a local truck stop I can get it weighed at. I might swing down there next week.

Nah, unfortunately I don't have any videos.
bigmandengo is offline  
Old 05-17-2016, 07:26 AM
  #60  
TECH Fanatic
 
Join Date: Jun 2014
Posts: 1,353
Default

Man that's things fast
jimmyg is offline  

Thread Tools
Search this Thread
Quick Reply: 81 Regal 5.3 PT7675 [email protected]


About Us Archive Advertising Cookie Policy Privacy Statement Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
 
  • Ask a Question
    Get answers from community experts
Question Title:
Description:
Your question will be posted in: