Trick Flow 225 on a LS2 issues
Thread Starter
Burning Brakes
Joined: Sep 2005
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From: New York
St. Jude Donor '06
Tech Contributor
Joined: Jul 2002
Posts: 14,950
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From: St. Louis, MO
St. Jude Donor '08
Nope. Using the cometic .040 gasket raised my static compression ratio(SCR) to 11.3 and my dynamic compresssion ratio (DCR) to 8.4 which is stock. Keeping DCR close to stock keeps low end torque close to stock and mine is even with the large g5x3 cam.
See here my stock, bolt ons and cam & thin gaskets only.
I don't know the head chamber volume on the ET heads, but you could find it and run the calculations. If they are 66 cc like AFR's factory and you used factory gaskets you lost SCR and DCR which would explain your loss of low end TQ.
These calculations per my friend the Clevite Kid. Read more here.
http://forums.corvetteforum.com/show...374&highlight=
As an example, here is a dyno sheet comparing my car to my buddy's c5Z - I have a g5x3 he has a g5x2 and 18 less cubic inches and we have the same heads and bolt ons and gears...but importantly, he did not get thinner head gaskets. My increased CI and bigger cam give me the increase up top...but importantly, look how much less low end TQ he has. Compression is your friend for low end TQ.
I have 40 ft/lbs more at 3200!
See here my stock, bolt ons and cam & thin gaskets only.
I don't know the head chamber volume on the ET heads, but you could find it and run the calculations. If they are 66 cc like AFR's factory and you used factory gaskets you lost SCR and DCR which would explain your loss of low end TQ.
These calculations per my friend the Clevite Kid. Read more here.
http://forums.corvetteforum.com/show...374&highlight=
As an example, here is a dyno sheet comparing my car to my buddy's c5Z - I have a g5x3 he has a g5x2 and 18 less cubic inches and we have the same heads and bolt ons and gears...but importantly, he did not get thinner head gaskets. My increased CI and bigger cam give me the increase up top...but importantly, look how much less low end TQ he has. Compression is your friend for low end TQ.
I have 40 ft/lbs more at 3200!
Thread Starter
Burning Brakes
Joined: Sep 2005
Posts: 867
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From: New York
St. Jude Donor '06
ok info
The 225 Trick Flow heads are at 59cc. Therefore they were milled. The compression is in the 11.5 area.
I want to thank Vette Doctors "Carmen and Dennis"
They took my head off passenger side to check the heads and they were 59cc. They were more then cooperative on checking the heads. I am not sure there are alot of companies out there that would do that work well over a year after they were installed.
The tune will get tweaked a bit and should get it back in a few days.
I would highly recommend them because its not only about the work they do but intergrity they show as well.
I want to thank Vette Doctors "Carmen and Dennis"
They took my head off passenger side to check the heads and they were 59cc. They were more then cooperative on checking the heads. I am not sure there are alot of companies out there that would do that work well over a year after they were installed.
The tune will get tweaked a bit and should get it back in a few days.
I would highly recommend them because its not only about the work they do but intergrity they show as well.
Last edited by par34n5; Nov 5, 2008 at 06:38 AM.
Team Owner
Joined: Mar 2005
Posts: 20,933
Likes: 905
From: salem OR
ALL 10 sec cars can break the first 2 gears loose on street cars (3 on runflats). It is not an intelligent position to think having less power for the lower gears will make you as fast in the top gears. You dont handicap the first two gears to prevent wheel spin. That just makes you slower in the gears you can stick to the ground. I have tuned bone stock cars and gotten the tires to break loose in two gears.
The gas pedal isnt an off-on switch. You learn to drive and see that even track guys dont floor it out of the hole in most cases. You rise to your launch rpm and let the clutch out in a controlled manner to prevent bogging and then you push down only enough to ride the line between breaking loose and traction. By 3rd gear you wil benefit from the added power you think is too much here. Its not about spinning. Spinning is only being used here as a way to measure something lacking in your package. Traction in fast cars is controled with your right foot.
Guys running 700+rwhp in the 9's cant floor their car in first gear so thinking its a waste is wrong since they are running 9's. If its not about such speeds then why complain about the power level? What you have is the happy medium but you could have been faster with just a cam swap. What you paid is way over the top for the performance level. You car looks awesome though.
The gas pedal isnt an off-on switch. You learn to drive and see that even track guys dont floor it out of the hole in most cases. You rise to your launch rpm and let the clutch out in a controlled manner to prevent bogging and then you push down only enough to ride the line between breaking loose and traction. By 3rd gear you wil benefit from the added power you think is too much here. Its not about spinning. Spinning is only being used here as a way to measure something lacking in your package. Traction in fast cars is controled with your right foot.
Guys running 700+rwhp in the 9's cant floor their car in first gear so thinking its a waste is wrong since they are running 9's. If its not about such speeds then why complain about the power level? What you have is the happy medium but you could have been faster with just a cam swap. What you paid is way over the top for the performance level. You car looks awesome though.
wownice post very true!
Thread Starter
Burning Brakes
Joined: Sep 2005
Posts: 867
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From: New York
St. Jude Donor '06
Well true Spin I absolutely was interested in more low end torque. That was the whole reason for the post...Now the heads are what they were suppose to be 59cc's I am not really interested in going for another cam $$$$ an issue. I did not get a copy of the final dyno sheet but will gladly show the numbers when I do. Rememeber they have a new dyno machine now and it will not be apples for apples so numbers will vary.
As far as the first sheet goes I saw ten pulls in the computer before the 410's went in and the sheet is no questions accurate.
A fast intake may be the next option
As far as the first sheet goes I saw ten pulls in the computer before the 410's went in and the sheet is no questions accurate.
A fast intake may be the next option
Tech Contributor
Joined: Mar 2003
Posts: 12,094
Likes: 197
From: Colorado Springs, CO
St. Jude Donor '08-'09-'10-'11
I didnt know they swapped dyno's, and its a very valid reason for a different reading. In the end, you asked for a mild cam that had no driveability issues and they did get that to you. I hope this marks the acceptance of your TQ as far as they are concerned. If I can help with the FAST let me know. PM for the pricing. I think you will be happy with this great deal for a good guy.
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Thread Starter
Burning Brakes
Joined: Sep 2005
Posts: 867
Likes: 0
From: New York
St. Jude Donor '06
I didnt know they swapped dyno's, and its a very valid reason for a different reading. In the end, you asked for a mild cam that had no driveability issues and they did get that to you. I hope this marks the acceptance of your TQ as far as they are concerned. If I can help with the FAST let me know. PM for the pricing. I think you will be happy with this great deal for a good guy.
Hey also thanks for the kind words and all your help. Everything I do is always a story and I have a good feeling this will end well.
Racer
Joined: Mar 2007
Posts: 446
Likes: 0
From: Pennsville NJ
Wow i went over this hole post you are all over the place.
Do you know what you want you must be driving the doctors nuts.
In the end they will make you happy there are no beter then the Doctors.
Keep us posted
Do you know what you want you must be driving the doctors nuts.
In the end they will make you happy there are no beter then the Doctors.
Keep us posted
Tech Contributor
Joined: Mar 2003
Posts: 12,094
Likes: 197
From: Colorado Springs, CO
St. Jude Donor '08-'09-'10-'11
Race Director
Joined: Mar 2005
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From: Southampton NJ
Thread Starter
Burning Brakes
Joined: Sep 2005
Posts: 867
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From: New York
St. Jude Donor '06
well its back
Picked up my car today from VetteDoctors and the numbers are great!
Switched the cam to a XER 232/236 114+2 from a baby cam 224/228and BAM 483.9 RWHP and 420.8 torque with 410 gears!
Car runs very nice no driveability issues at all. I have to hand it to Carmen and Dennis they spent alot of time on this car because word has it I am a pain in the ***...what the f@#k ????....so thanks to all my so called friends and you know who you are
Just want to say if you need work on your car this is a great place to go!
XER 232/236 114+2
Trick flow 225 heads milled to 59cc
Vortex ram air
Kook Headers
410's
Switched the cam to a XER 232/236 114+2 from a baby cam 224/228and BAM 483.9 RWHP and 420.8 torque with 410 gears!
Car runs very nice no driveability issues at all. I have to hand it to Carmen and Dennis they spent alot of time on this car because word has it I am a pain in the ***...what the f@#k ????....so thanks to all my so called friends and you know who you are
Just want to say if you need work on your car this is a great place to go!
XER 232/236 114+2
Trick flow 225 heads milled to 59cc
Vortex ram air
Kook Headers
410's
Safety Car
Joined: Sep 2006
Posts: 3,922
Likes: 4
From: Cheektowaga NY
St. Jude Donor '08
Picked up my car today from VetteDoctors and the numbers are great!
Switched the cam to a XER 232/236 114+2 from a baby cam 224/228and BAM 483.9 RWHP and 420.8 torque with 410 gears!
Car runs very nice no driveability issues at all. I have to hand it to Carmen and Dennis they spent alot of time on this car because word has it I am a pain in the ***...what the f@#k ????....so thanks to all my so called friends and you know who you are
Just want to say if you need work on your car this is a great place to go!
XER 232/236 114+2
Trick flow 225 heads milled to 59cc
Vortex ram air
Kook Headers
410's
Switched the cam to a XER 232/236 114+2 from a baby cam 224/228and BAM 483.9 RWHP and 420.8 torque with 410 gears!
Car runs very nice no driveability issues at all. I have to hand it to Carmen and Dennis they spent alot of time on this car because word has it I am a pain in the ***...what the f@#k ????....so thanks to all my so called friends and you know who you are
Just want to say if you need work on your car this is a great place to go!
XER 232/236 114+2
Trick flow 225 heads milled to 59cc
Vortex ram air
Kook Headers
410's
Hey, its your car and if your a pain in the *** thats too bad for them.
Nice numbers and congrats for not giving up on what YOU wanted.
Thread Starter
Burning Brakes
Joined: Sep 2005
Posts: 867
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From: New York
St. Jude Donor '06
Who me no way 
