Advertisement |
|
|
|
If this is your first visit, be sure to check out the FAQ by clicking the link above.
You may have to register before you can post: click the register link above to proceed.
To start viewing messages, select the forum that you want to visit from the selection below.
|
Drag Racing Where ALL Racers are Welcome- From ET Bracket, all the way to ProStreet and Top Diesel! |
06-08-2017, 09:04 AM
|
#21
|
Name: Blueboy
Title: Too Much Time
Status: Not Here
Join Date: Aug 2006
Member`s Gallery
Posts: 993
|
How did you set up your Caltracs ?
|
|
|
06-08-2017, 09:08 AM
|
#22
|
Name: ChrisG88
Title: Diesel Enthusiast
Status: Not Here
Join Date: Jun 2011
Location: Mechanicsburg PA
Member`s Gallery
Posts: 219
|
Quote:
Originally Posted by Blueboy
How did you set up your Caltracs ?
|
1/2 turn preload level ground with me in drivers seat
Sent from my SM-G930P using Tapatalk
__________________
2006 QCSB 6300lbs 5.60@130.5
CG Diesel Performance Transmissions 48RE
Gtx5533r 91mm
400% Exergy
2x 12mm Exergy
Nitrous Express
Goerend Transmission
Firepunk Diesel
D&J Precision
|
|
|
06-08-2017, 09:23 AM
|
#23
|
Name: DIESEL_POWER
Title: NGM Diesel
Status: Not Here
Join Date: Jul 2006
Member`s Gallery
Posts: 5,178
|
Your issue is not the turbo, you need a Wastegate. Try a 45 or 50mm gate.
__________________
Proverbs 3:5-6 (KJV)
5 Trust in the Lord with all thine heart; and lean not unto thine own understanding. 6 In all thy ways acknowledge him, and he shall direct thy paths.
|
|
|
06-08-2017, 09:37 AM
|
#24
|
Name: ChrisG88
Title: Diesel Enthusiast
Status: Not Here
Join Date: Jun 2011
Location: Mechanicsburg PA
Member`s Gallery
Posts: 219
|
Quote:
Originally Posted by DIESEL_POWER
Your issue is not the turbo, you need a Wastegate. Try a 45 or 50mm gate.
|
I agree a gate would have helped it live. By going to a 96 turbine with the FI 76 I have not had drive pressure or turbo issues. And the truck is faster than before. The setup is only temporary until the new engine is done.
Sent from my SM-G930P using Tapatalk
__________________
2006 QCSB 6300lbs 5.60@130.5
CG Diesel Performance Transmissions 48RE
Gtx5533r 91mm
400% Exergy
2x 12mm Exergy
Nitrous Express
Goerend Transmission
Firepunk Diesel
D&J Precision
|
|
|
06-08-2017, 11:29 AM
|
#25
|
Name: Smokem
Title: Turbler
Status: Not Here
Join Date: May 2006
Location: Iowa
Member`s Gallery
Posts: 5,565
|
Quote:
Originally Posted by SPEEDSHIFT
I am between the same FI76 and a 476SXE.
|
Don't rule out the cast wheel S476, it's a good option and uses the actual Borg turbine not a re-profiled 92mm wheel.
|
|
|
06-08-2017, 02:56 PM
|
#26
|
Name: Big Blue24
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Jan 2008
Location: Cedar City, UT
Member`s Gallery
Posts: 6,310
|
First off, thanks for sharing your experiences and track times and boost/drive numbers, great feedback for everyone!!!
Secondly, Did the big turbine 476sxe have the new larger AR SXE compressor cover, easy to spot with the dual option v-band/hose discharge and the cast-in speed sensor port?
When you option the 476sxe with the 87mm turbine, it comes standard with the old John Deere/Race cover that came standard on the Borg S480 SX series. When you option the 476sxe with the big 96mm turbine wheel, it comes with the new larger AR, improved map groove angle SXE cover. The cover made the old S480 go from 120 lbs to min to 130 lbs. In order to see the max flow/benefit of the 476sxe, you definitely want the new compressor cover.
It's cool to see aftermarket turbo companies beating the manufacturers, especially when it's a newer trending/hot model like the SXE.
__________________
95' 2wd Junker Drag Truck
1502 HP Fuel-Only 12mm P7100 Pump
SXE 472 over GTX55 116mm
OEM 12v Block
|
|
|
06-08-2017, 03:01 PM
|
#27
|
Name: ChrisG88
Title: Diesel Enthusiast
Status: Not Here
Join Date: Jun 2011
Location: Mechanicsburg PA
Member`s Gallery
Posts: 219
|
Quote:
Originally Posted by Big Blue24
First off, thanks for sharing your experiences and track times and boost/drive numbers, great feedback for everyone!!!
Secondly, Did the big turbine 476sxe have the new larger AR SXE compressor cover, easy to spot with the dual option v-band/hose discharge and the cast-in speed sensor port?
When you option the 476sxe with the 87mm turbine, it comes standard with the old John Deere/Race cover that came standard on the Borg S480 SX series. When you option the 476sxe with the big 96mm turbine wheel, it comes with the new larger AR, improved map groove angle SXE cover. The cover made the old S480 go from 120 lbs to min to 130 lbs. In order to see the max flow/benefit of the 476sxe, you definitely want the new compressor cover.
It's cool to see aftermarket turbo companies beating the manufacturers, especially when it's a newer trending/hot model like the SXE.
|
Yes sir no problem. I enjoy sharing my experiences to help others make decisions and take the best route possible when choosing a new turbo. Yes the 76/96 SXE had the new V2 cover. I ended up sending the cover to Jose at Forced for him to use on my new 80/96 ETR that I will be running as a single.
Sent from my SM-G930P using Tapatalk
__________________
2006 QCSB 6300lbs 5.60@130.5
CG Diesel Performance Transmissions 48RE
Gtx5533r 91mm
400% Exergy
2x 12mm Exergy
Nitrous Express
Goerend Transmission
Firepunk Diesel
D&J Precision
|
|
|
06-08-2017, 03:03 PM
|
#28
|
Name: ChrisG88
Title: Diesel Enthusiast
Status: Not Here
Join Date: Jun 2011
Location: Mechanicsburg PA
Member`s Gallery
Posts: 219
|
This was the 76sxe that is now a 80ETR.
Sent from my SM-G930P using Tapatalk
__________________
2006 QCSB 6300lbs 5.60@130.5
CG Diesel Performance Transmissions 48RE
Gtx5533r 91mm
400% Exergy
2x 12mm Exergy
Nitrous Express
Goerend Transmission
Firepunk Diesel
D&J Precision
|
|
|
06-08-2017, 03:25 PM
|
#29
|
Name: Big Blue24
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Jan 2008
Location: Cedar City, UT
Member`s Gallery
Posts: 6,310
|
Quote:
Originally Posted by ChrisG88
Yes sir no problem. I enjoy sharing my experiences to help others make decisions and take the best route possible when choosing a new turbo. Yes the 76/96 SXE had the new V2 cover. I ended up sending the cover to Jose at Forced for him to use on my new 80/96 ETR that I will be running as a single.
Sent from my SM-G930P using Tapatalk
|
Now I'm very intrigued, did the FI 76 turbo have the old style cover? Can you see any obvious map groove work/improvements?
Thanks Again.
__________________
95' 2wd Junker Drag Truck
1502 HP Fuel-Only 12mm P7100 Pump
SXE 472 over GTX55 116mm
OEM 12v Block
|
|
|
06-08-2017, 03:49 PM
|
#30
|
Name: ChrisG88
Title: Diesel Enthusiast
Status: Not Here
Join Date: Jun 2011
Location: Mechanicsburg PA
Member`s Gallery
Posts: 219
|
Quote:
Originally Posted by Big Blue24
Now I'm very intrigued, did the FI 76 turbo have the old style cover? Can you see any obvious map groove work/improvements?
Thanks Again.
|
The FI 76 was a standard Vband cover. I didn't even look for any map groove work. Threw it on, went 6.5s@108-9, and decided I wanted to try to go faster. I'm not sure the 80 will be any faster but there is only 1 way to find out!
Sent from my SM-G930P using Tapatalk
__________________
2006 QCSB 6300lbs 5.60@130.5
CG Diesel Performance Transmissions 48RE
Gtx5533r 91mm
400% Exergy
2x 12mm Exergy
Nitrous Express
Goerend Transmission
Firepunk Diesel
D&J Precision
|
|
|
06-08-2017, 11:05 PM
|
#31
|
Name: 1stgensleeper
Title: Too Much Time
Status: Not Here
Join Date: Jul 2012
Location: Modesto, California
Member`s Gallery
Posts: 773
|
What stall converter are you running?
__________________
2006 QCLB 4x4 manual vb 47re, Savage Fab He351, exergy 100% overs, flo pro 5" exhaust
|
|
|
06-09-2017, 05:15 AM
|
#32
|
Name: ChrisG88
Title: Diesel Enthusiast
Status: Not Here
Join Date: Jun 2011
Location: Mechanicsburg PA
Member`s Gallery
Posts: 219
|
Quote:
Originally Posted by 1stgensleeper
What stall converter are you running?
|
2500 stall
Sent from my SM-G930P using Tapatalk
__________________
2006 QCSB 6300lbs 5.60@130.5
CG Diesel Performance Transmissions 48RE
Gtx5533r 91mm
400% Exergy
2x 12mm Exergy
Nitrous Express
Goerend Transmission
Firepunk Diesel
D&J Precision
|
|
|
06-09-2017, 05:24 AM
|
#33
|
Name: Cummins12Club
Title: Happy Dinosaur
Status: Not Here
Join Date: Jan 2013
Location: Too Far From the Action
Member`s Gallery
Posts: 979
|
I'm curious to see if you pick up any ET going to the 80 wheel.
__________________
93 Dodge, going racing. Special Thanks to Tim Wright & Pro Street Diesel
|
|
|
06-09-2017, 05:32 AM
|
#34
|
Name: ChrisG88
Title: Diesel Enthusiast
Status: Not Here
Join Date: Jun 2011
Location: Mechanicsburg PA
Member`s Gallery
Posts: 219
|
Quote:
Originally Posted by Cummins12Club
I'm curious to see if you pick up any ET going to the 80 wheel.
|
Same. I have my doubts but am very curious. As soon as the cage is done I'll be at the track
Sent from my SM-G930P using Tapatalk
__________________
2006 QCSB 6300lbs 5.60@130.5
CG Diesel Performance Transmissions 48RE
Gtx5533r 91mm
400% Exergy
2x 12mm Exergy
Nitrous Express
Goerend Transmission
Firepunk Diesel
D&J Precision
|
|
|
06-09-2017, 10:28 AM
|
#35
|
Name: Smokem
Title: Turbler
Status: Not Here
Join Date: May 2006
Location: Iowa
Member`s Gallery
Posts: 5,565
|
Quote:
Originally Posted by Big Blue24
When you option the 476sxe with the big 96mm turbine wheel, it comes with the new larger AR, improved map groove angle SXE cover. The cover made the old S480 go from 120 lbs to min to 130 lbs. In order to see the max flow/benefit of the 476sxe, you definitely want the new compressor cover.
|
The larger AR cover will not change the fact the compressor wheel surpasses the supersonic threshold before a 5:1 rise in pressure, which is why they are failing as all OEM's use the same maximum wheel speed limit. In a diesel application and a sub 110mm exducer most would see better power with either of the smaller 0.63AR or 0.66AR compressor covers.
These models were clearly designed/marketed toward the gasoline drag racing market, easy to see just by looking at the sizes ie; 72mm(SFWD), 76mm(Ultimate Street), and 88mm(X275). It's unfortunate to see a good product from a good company getting a bad reputation because they are being used in the wrong application.
|
|
|
06-09-2017, 10:51 AM
|
#36
|
Name: 97rada
Title: Too Much Time
Status: Not Here
Join Date: Feb 2008
Member`s Gallery
Posts: 5,410
|
Quote:
Originally Posted by Smokem
The larger AR cover will not change the fact the compressor wheel surpasses the supersonic threshold before a 5:1 rise in pressure, which is why they are failing as all OEM's use the same maximum wheel speed limit. In a diesel application and a sub 110mm exducer most would see better power with either of the smaller 0.63AR or 0.66AR compressor covers.
These models were clearly designed/marketed toward the gasoline drag racing market, easy to see just by looking at the sizes ie; 72mm(SFWD), 76mm(Ultimate Street), and 88mm(X275). It's unfortunate to see a good product from a good company getting a bad reputation because they are being used in the wrong application.
|
When these turbos are failing what's actually failing. Thrust or shafts ect
__________________
Austin
tow truck- 14-3500 with tuning
toy truck -94 rclb auto- 5.2x with a lot left. Shooting for 4s
Any intelligent fool can make things bigger and more complex...it takes a touch of genius- and alot of courage to move in the opposite direction.
|
|
|
06-09-2017, 11:02 AM
|
#37
|
Name: ChrisG88
Title: Diesel Enthusiast
Status: Not Here
Join Date: Jun 2011
Location: Mechanicsburg PA
Member`s Gallery
Posts: 219
|
Quote:
Originally Posted by 97rada
When these turbos are failing what's actually failing. Thrust or shafts ect
|
From what I've experienced and seen mostly bearing issues.
Sent from my SM-G930P using Tapatalk
__________________
2006 QCSB 6300lbs 5.60@130.5
CG Diesel Performance Transmissions 48RE
Gtx5533r 91mm
400% Exergy
2x 12mm Exergy
Nitrous Express
Goerend Transmission
Firepunk Diesel
D&J Precision
|
|
|
06-09-2017, 02:46 PM
|
#38
|
Name: Smokem
Title: Turbler
Status: Not Here
Join Date: May 2006
Location: Iowa
Member`s Gallery
Posts: 5,565
|
Quote:
Originally Posted by 97rada
When these turbos are failing what's actually failing. Thrust or shafts ect
|
Specifically, over speed conditions create a harmonic resonance that results in oil separation on the bearing surfaces, mainly the thrust bearing/collar. This is why there is an industry standard regarding maximum wheel speed.
The S400 SX-E line was not designed for high pressure ratio applications, which is in all reality the best way to describe a diesel engine.
|
|
|
06-09-2017, 03:37 PM
|
#39
|
Name: SPEEDSHIFT
Title: Too Much Time
Status: Not Here
Join Date: Jan 2007
Location: San Antonio, TX
Member`s Gallery
Posts: 5,978
|
Quote:
Originally Posted by Smokem
Specifically, over speed conditions create a harmonic resonance that results in oil separation on the bearing surfaces, mainly the thrust bearing/collar. This is why there is an industry standard regarding maximum wheel speed.
The S400 SX-E line was not designed for high pressure ratio applications, which is in all reality the best way to describe a diesel engine.
|
What boost/drive pressure level are they designed for?
__________________
@bodie_armstrong
2003 2500 4x4 auto FOR SALE
2005 2500 4x4 auto Drag Truck
2013 3500 4x4 Aisin Dually Tow Rig
Tenacity Tuning, Longs Machine Shop, BD Diesel Performance
|
|
|
06-13-2017, 12:53 PM
|
#40
|
Name: Smokem
Title: Turbler
Status: Not Here
Join Date: May 2006
Location: Iowa
Member`s Gallery
Posts: 5,565
|
Quote:
Originally Posted by SPEEDSHIFT
What boost/drive pressure level are they designed for?
|
At 1500ft elevation with 76° F intake temperature assuming a 1psig loss due to intake restriction, 50psig would equal ~ a 4.9:1 rise in pressure which is just beyond what appears to be the max rated speed for that compressor.
It's not uncommon to see compressors operate beyond the super sonic threshold in performance applications, in my opinion the failures are related to the lack of a secondary leading edge surface below the MAP groove under choke flow conditions.
|
|
|
Posting Rules
|
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts
HTML code is Off
|
|
|
All times are GMT -5. The time now is 05:39 AM.
|