65MM TB on JRSC - Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum
Ford Focus Forum
HomeContact UsAbout UsGalleryDiscussion ForumsMarketplace


Go Back   Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum > Ford Focus Tech Discussions > General Forced Induction

General Forced Induction The place to chat about turbochargers, superchargers nitrous systems and custom engine fabrications.

Search This Forum | Image Search | Advanced Search    
FocusFest FocusFanatics Merchandise

Reply




 
LinkBack Thread Tools Display Modes
Old 12-07-2004, 12:29 AM   #1
Focus Rookie
 
Join Date: Aug 2004
Fan#: 12102
Location: Northern California
Posts: 14
FF Reputation: 1 fstrdnu Good Standing Member
Buy-Sell-Trade Rating: (0)
65MM TB on JRSC

Just picked up an SVTF with a JRSC. On all of my other cars a 65MM TB is a must. I just called Jackson Racing and they said they dont recommend 65MM with the blower since they said they lost some midrange.
However, I understood their TB werent that good and they are not on the market anymore.
Looking specifically for owners with JRSC who have put a larger TB to see what they thought.
Its a nice improvement on NA cars and would like to see if it performed better on a FI SVTF.
Please, no supposition. Just guys with experience.


fstrdnu is offline  
    Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
Old 12-07-2004, 12:48 PM   #2
Focus Enthusiast
 
GCubes's Avatar
 
Join Date: Mar 2004
Fan#: 5663
Location: Quebec, Canada
What I Drive: Black MazdaSpeed3

Posts: 443
FF Reputation: 1 GCubes Good Standing Member
Buy-Sell-Trade Rating: (0)
Re: 65MM TB on JRSC

Quote:
Originally posted by fstrdnu
I understood their TB werent that good and they are not on the market anymore.
Precision: I have their TB and it's as good as the FC TB. Same thing except it's only for 5spd tranny.
Good luck with your SuperCharger.
__________________
May 2007: I sold the Focus for a new 2007 MazdaSpeed3
GCubes is offline  
    Reply With Quote Quick reply to this message
Old 12-07-2004, 03:51 PM   #3
Regulator...mount up
 
PapoSwing's Avatar
 
Join Date: Feb 2004
Fan#: 3062
Location: Zombieland, United States
What I Drive: 03 Pitch Black SVT

Posts: 3,025
Points 6,086, Level 50
Points: 6,086, Level: 50 Points: 6,086, Level: 50 Points: 6,086, Level: 50
Level Up 68% Completed
Level up: 68% Level up: 68% Level up: 68%
Forum Activity 0%
Activity: 0% Activity: 0% Activity: 0%
FF Reputation: 28 PapoSwing Great Standing Member
Buy-Sell-Trade Rating: (10)
How much power is lost?
PapoSwing is offline  
    Reply With Quote Quick reply to this message
Old 12-07-2004, 06:31 PM   #4
Focus Rookie
 
Join Date: Aug 2004
Fan#: 12102
Location: Northern California
Posts: 14
FF Reputation: 1 fstrdnu Good Standing Member
Buy-Sell-Trade Rating: (0)
Anyone?

Nobody has put a 65MM TB on a JRSC?
I cant beleive Im going to be the first.
fstrdnu is offline  
    Reply With Quote Quick reply to this message
Old 12-07-2004, 06:58 PM   #5
Regulator...mount up
 
PapoSwing's Avatar
 
Join Date: Feb 2004
Fan#: 3062
Location: Zombieland, United States
What I Drive: 03 Pitch Black SVT

Posts: 3,025
Points 6,086, Level 50
Points: 6,086, Level: 50 Points: 6,086, Level: 50 Points: 6,086, Level: 50
Level Up 68% Completed
Level up: 68% Level up: 68% Level up: 68%
Forum Activity 0%
Activity: 0% Activity: 0% Activity: 0%
FF Reputation: 28 PapoSwing Great Standing Member
Buy-Sell-Trade Rating: (10)
You should tell us if you see any difference with the 65 mm TB on and off







.
PapoSwing is offline  
    Reply With Quote Quick reply to this message
Old 12-07-2004, 08:45 PM   #6
Focus Rookie
 
Join Date: Aug 2004
Fan#: 12102
Location: Northern California
Posts: 14
FF Reputation: 1 fstrdnu Good Standing Member
Buy-Sell-Trade Rating: (0)
Without input Im not gonna spend the $270 plus $200 for dyno time to possibley get 5-7hp. Looking for someone who has already done it and could tell me, and backup with dyno sheets, that this mod is worth the cost.
fstrdnu is offline  
    Reply With Quote Quick reply to this message
Old 12-07-2004, 08:48 PM   #7
Focus Fanatic
 
bowersdaazian's Avatar
 
Join Date: Feb 2004
Fan#: 2963
Location: Northern CA ; USAF decides, CA
What I Drive: '04 2.3 ZX3 ; FSW/JCM PWSC SVT

Posts: 1,961
FF Reputation: 8 bowersdaazian Good Standing Member
Buy-Sell-Trade Rating: (8)
well i would believe JR, since they have done their testing and dyno'ing. If they say that it will not be beneficial, then i'd take their word. But did they say anything about loosing midrange, but gaining top end? that might be a question to ask them.
__________________
EW motto(s):

"Jam Harder, Penetrate Deeper, Dispense Longer"
and
"In God we Trust, All Others we Monitor, Jam or Deceive"
bowersdaazian is offline  
    Reply With Quote Quick reply to this message
Old 12-07-2004, 08:55 PM   #8
Focus Rookie
 
Join Date: Aug 2004
Fan#: 12102
Location: Northern California
Posts: 14
FF Reputation: 1 fstrdnu Good Standing Member
Buy-Sell-Trade Rating: (0)
In my experience vendors are generally conservative when individuals try to mess with their stuff. Also, the particular tech may let his views cloud his perspective as it pertains to my agenda. He didnt details on the ups and downs which is why I am even following up on this. On my other cars, 2.3L turbo Fords, there are opponents who dont feel the 65MM TB is a good swap. I disagree and put them on all of mine and highly recommend to my club members.
Looking for someone with real world experience on the SVTF. A magazine articles had a good writeup and got like almost 4hp on a NA application and I suspect a FI would be even more but Im not about to drop $400+ on a 10 Hp gamble without real world input.
fstrdnu is offline  
    Reply With Quote Quick reply to this message
Old 12-07-2004, 09:46 PM   #9
Focus Enthusiast
 
GCubes's Avatar
 
Join Date: Mar 2004
Fan#: 5663
Location: Quebec, Canada
What I Drive: Black MazdaSpeed3

Posts: 443
FF Reputation: 1 GCubes Good Standing Member
Buy-Sell-Trade Rating: (0)
Hey fstrdnu, since nobody answered your question, I will tell you what Richard Holdener in "High-Performance Ford Focus Builder’s Handbook" said; (even though his book is believed, by certain people on this Forum, to be questionable...)

He tested an SVT equipped with the M62 supercharger at 12 psi, and gain 12-13HP at the top end, and 8-10 ft-lbs from 4.5K to 6.5K RPM.
The theory is that with the supercharger, who sucks air in the unit, a larger TB is beneficial. But with a turbo, the air is pushed in, so the stock TB is good enough.
__________________
May 2007: I sold the Focus for a new 2007 MazdaSpeed3
GCubes is offline  
    Reply With Quote Quick reply to this message
Old 12-07-2004, 11:19 PM   #10
Focus Rookie
 
Join Date: Aug 2004
Fan#: 12102
Location: Northern California
Posts: 14
FF Reputation: 1 fstrdnu Good Standing Member
Buy-Sell-Trade Rating: (0)
An outstanding response. I like substantiated answers.
With only my 4-5 psi in my current setup I see less results than Mr. Holdener.
Not having read the book and only being a turbo guy with real world experience, a big TB is highly beneficial in a turbo setup.
fstrdnu is offline  
    Reply With Quote Quick reply to this message
Reply

Bookmarks & Social Networks

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:
What I Drive
Year, color, and model of your car. Example: 2003 Pitch Black ZX3
Name
Your real name.
City
State
Country
Insurance
Please select your insurance company (Optional)

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools
Display Modes

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -5. The time now is 06:32 AM.


Copyright 2002-2015 FocusFanatics.com. All Rights Reserved : Privacy Policy : Advertise Information

Focus Fanatics Ford Focus Forum offers many fun ways for you to engage with other Ford Focus Owners from across the world. Whether it be about the aftermarket performance modifications, technical how-to's, European tuned suspension or awesome fuel economy similar to the Mazda CX-3, Audi S3, Mazda MX-5 Miata and Acura TLX. You can find all Ford Focus, Focus ST and Focus RS related information here. Join our Ford Focus discussion forums and chat with local Focus enthusiasts in your area. If you own other makes have a look at Challenger Hellcat Forum, Charger Hellcat Forum, Cadillac ATS-V Forum, Cadillac ATS Forum, Cadillac CTS-V Forum, Lexus RC-F Forum, Lexus GS-F Forum, Mercedes GLA Forum, Mercedes GLE Forum, Civic Type-R Forum and Volvo XC90 Forum.





Search Engine Optimization by vBSEO 3.6.1