Generation III Internal Engine 1997-2006 LS1 | LS6
Sponsored by:
Sponsored by:

New 235cc TFS head

Thread Tools
 
Search this Thread
 
Old 05-07-2007, 01:41 PM
  #1  
Banned
Thread Starter
 
Mike@TEA's Avatar
 
Join Date: Aug 2005
Location: ohio
Posts: 154
Likes: 0
Received 0 Likes on 0 Posts

Default New 235cc TFS head

Well after working on this for along long time we have finally finished our 235cc Trickflow head. This was originally supposed to be a 240cc head but when we cc'd the final version it came out at 235cc. It is built for a 4.125" bore and uses 2.08 and 1.600 valves it has a newly designed exhaust port which measures 86cc. Mid lift flow is outstanding as we had a goal of 300cfm @.400" but fell a little short of that. Flow numbers are as follows:
Intake Exhaust
.100 67 58
.200 146 124
.300 235 199
.400 293 244
.500 329 265
.550 341 272
.600 344 276

As always these were flowed on our Flowdata bench at 28" and the exhaust was flowed with a pipe.
Old 05-07-2007, 01:54 PM
  #2  
LS1 Tech Administrator
iTrader: (14)
 
Patrick G's Avatar
 
Join Date: Nov 2001
Location: Victoria, TX
Posts: 8,244
Likes: 0
Received 31 Likes on 27 Posts

Default

Badass flow numbers. Are these available to buy now?
__________________

2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
Old 05-07-2007, 03:14 PM
  #3  
Super Hulk Smash
iTrader: (7)
 
JakeFusion's Avatar
 
Join Date: Aug 2004
Location: Pace, FL
Posts: 11,255
Received 137 Likes on 114 Posts

Default

Good results. Anything on the 4.060-4.080" bore?
Old 05-07-2007, 03:26 PM
  #4  
11 Second Club
iTrader: (3)
 
MARKSZ71's Avatar
 
Join Date: Nov 2001
Location: bama bitch
Posts: 1,582
Likes: 0
Received 0 Likes on 0 Posts

Default

very nice congrats
Old 05-07-2007, 03:41 PM
  #5  
Banned
Thread Starter
 
Mike@TEA's Avatar
 
Join Date: Aug 2005
Location: ohio
Posts: 154
Likes: 0
Received 0 Likes on 0 Posts

Default

Originally Posted by Patrick G
Badass flow numbers. Are these available to buy now?
Yes I have shipped a few sets already with lots more in process.
Old 05-07-2007, 03:50 PM
  #6  
10 Second Club
iTrader: (14)
 
383ss's Avatar
 
Join Date: Mar 2002
Location: Kansas City, KS
Posts: 2,893
Likes: 0
Received 0 Likes on 0 Posts

Default

what is the minimum recommended bore? pricing and spring packages also please!!

thanks
Old 05-08-2007, 09:09 PM
  #7  
TECH Resident
iTrader: (4)
 
Camaro99SS's Avatar
 
Join Date: Nov 2004
Location: Nashville, TN
Posts: 879
Likes: 0
Received 0 Likes on 0 Posts

Default

Very nice! Do you plan on making these with a chamber designed for a 4.065" bore?

Jason
Old 05-09-2007, 09:13 AM
  #8  
Banned
Thread Starter
 
Mike@TEA's Avatar
 
Join Date: Aug 2005
Location: ohio
Posts: 154
Likes: 0
Received 0 Likes on 0 Posts

Default

Originally Posted by 383ss
what is the minimum recommended bore? pricing and spring packages
also please!!

thanks
Minimum bore=4.030",Cost is $2569.00. Our standard spring package for this head
is our dual extreme pressure spring which is 160# seat 450# open rated for .660"


Originally Posted by Camaro99SS
Very nice! Do you plan on making these with a
chamber designed for a 4.065" bore?

Jason
Probably not. Here are the numbers from one flowed yesterday on a 4.030" bore.
Intake
.100 67
.200 147
.300 234
.400 289
.500 324
.550 335
.600 343

It will not be optimum on a 4.065" bore but should be slightly better than these
Old 05-09-2007, 09:27 AM
  #9  
9 Second Club
iTrader: (17)
 
JMBLOWNWS6's Avatar
 
Join Date: Nov 2002
Location: New Braunfels ,Tx
Posts: 4,997
Likes: 0
Received 0 Likes on 0 Posts

Default

Thanks for taking the time on the phone Matt. I'll call you in two weeks
Old 05-09-2007, 09:37 AM
  #10  
TECH Addict
iTrader: (22)
 
Stang's Bane's Avatar
 
Join Date: Aug 2005
Location: Mont Belvieu, TX
Posts: 2,649
Likes: 0
Received 1 Like on 1 Post

Default

Originally Posted by Mike@TEA
Minimum bore=4.030",Cost is $2569.00. Our standard spring package for this head
is our dual extreme pressure spring which is 160# seat 450# open rated for .660"




Probably not. Here are the numbers from one flowed yesterday on a 4.030" bore.
Intake
.100 67
.200 147
.300 234
.400 289
.500 324
.550 335
.600 343

It will not be optimum on a 4.065" bore but should be slightly better than these
I doesn't look like you lost enough flow there to lose any sleep over.
Old 05-09-2007, 05:36 PM
  #11  
TECH Resident
iTrader: (4)
 
Camaro99SS's Avatar
 
Join Date: Nov 2004
Location: Nashville, TN
Posts: 879
Likes: 0
Received 0 Likes on 0 Posts

Default

Originally Posted by Stang's Bane
I doesn't look like you lost enough flow there to lose any sleep over.
Ditto.

Jason




All times are GMT -5. The time now is 10:37 PM.