TFS 225, TFS Stage 3 CAM Dyno Results inside
10-18-2009, 09:16 AM
#22
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Here is a more detailed version of my setup:
1990 TA LS1 conversion
6.0L Forged bottom end with 10.9 to 1 compression
TFS 225 CNC Heads
TFS stage 3 Cam 228/230 duration 585/585 lift
Fast 92mm unported intake
90mm 05 GTO Throttle body stock Drive By Wire
Speed density tune
Underdrive Crank Pulley
No AC
Stainless works 1 3/4 coversion headers Long Tube
2.5" Exhaust from headers to y-pipe. Ypipe is dual 2.5" inlet to 3" outlet. This is the part I need to fix( i know this is hurting power!)
T56 6 speed stock with LS7 Clutch
LS1 Stock 10 bolt rear with 4.10 gears and summit cover
Corvette Alcora aluminum rims 17 front and 18 rear with F1 tires
LS1 brake up grade front
Magnaflow Muffler (3"inlet to dual 2.5" exits)
All suspension upgrades (UMI)
97 LT1 Leather Interior (power)
Stock dash shift light set up to work with WOT shifts ( love this one! )
I think this about covers it. Pic of the car added.
1990 TA LS1 conversion
6.0L Forged bottom end with 10.9 to 1 compression
TFS 225 CNC Heads
TFS stage 3 Cam 228/230 duration 585/585 lift
Fast 92mm unported intake
90mm 05 GTO Throttle body stock Drive By Wire
Speed density tune
Underdrive Crank Pulley
No AC
Stainless works 1 3/4 coversion headers Long Tube
2.5" Exhaust from headers to y-pipe. Ypipe is dual 2.5" inlet to 3" outlet. This is the part I need to fix( i know this is hurting power!)
T56 6 speed stock with LS7 Clutch
LS1 Stock 10 bolt rear with 4.10 gears and summit cover
Corvette Alcora aluminum rims 17 front and 18 rear with F1 tires
LS1 brake up grade front
Magnaflow Muffler (3"inlet to dual 2.5" exits)
All suspension upgrades (UMI)
97 LT1 Leather Interior (power)
Stock dash shift light set up to work with WOT shifts ( love this one! )
I think this about covers it. Pic of the car added.
10-18-2009, 10:24 AM
#23
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I still say bump the compression by milling those heads or running a thinner gasket, or better yet do both. She'd make a lot more tq, and throttle response would be razor sharp. Not saying anything is wrong with the car, but 10.9 to 1 isn't much. You have a good bit on the table by getting to 11.5 or 11.6 to 1 SCR
10-18-2009, 02:45 PM
#24
I still say bump the compression by milling those heads or running a thinner gasket, or better yet do both. She'd make a lot more tq, and throttle response would be razor sharp. Not saying anything is wrong with the car, but 10.9 to 1 isn't much. You have a good bit on the table by getting to 11.5 or 11.6 to 1 SCR
to the OP...sweet ride. i'm the in process of swapping an lm7 into an 89 firebird. i'm looking to do more with less. i'd love to see an 11.99 with a stock lm7, 5k stall, and some tricks.
10-19-2009, 10:30 AM
#26
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I hear ya on the cost of the missing hp. I was trying to say I would've had the heads milled before assembly and aimed for a higher compression so nothing was left on the table. Either way thats just me. I am glad the OP is happy with his build. Thats really all that matters.
+1 on throwing an ls motor in a 3rd gen in place of that tired 305
There was a guy with an IROC that had a Nascar like SBC that turns 9000 rpms. He had nitrous and was running with and beating a modded zr1 *2009 zr1 !!! Your car must surprise a lot of people man....
+1 on throwing an ls motor in a 3rd gen in place of that tired 305
There was a guy with an IROC that had a Nascar like SBC that turns 9000 rpms. He had nitrous and was running with and beating a modded zr1 *2009 zr1 !!! Your car must surprise a lot of people man....
10-19-2009, 07:08 PM
#27
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LOL I still have the 305 badges on it so it does get some people. Kind of unfair but gets some good laughs by vette owners when I drive past them. Everytime I race someone we have to pull over so they can see why a third gen beat them. that does not happen too often around here. Ive decided to keep the setup just like it is because it is very powerful and drives like a dream. Im telling you, this Trickflow setup is the way to go! I visited there shop and checked out all there tools and the engine dyno room. Very impressive to say the least. They do some great durability test on there heads also! I dont think you can beat the quality or power on these heads. Thanks guys.
10-22-2009, 06:18 AM
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Always some A$$hole throwing out nonsense. BTW Dick, wtf did your post add to this thread ?? I'll tell you, nothing.
10-22-2009, 12:55 PM
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i always here duals, duals, duals! I have 3" off road y-pipe with 3" magnaflow and a dump. makes same powers as duals with less weight 
sounds good to. I have seen to many people go from a setup like mine to duals with x-pipe and they would loose hp or make the same but always made less torq. So add some weight and make less power Oh yeah dont forget the ground clearance thing.
sounds good to. I have seen to many people go from a setup like mine to duals with x-pipe and they would loose hp or make the same but always made less torq. So add some weight and make less power Oh yeah dont forget the ground clearance thing.
10-22-2009, 05:01 PM
#32
FIRE813-My set up WAS 346ci 11.1 comp/afr 205cc heads,g5x4 cam,non ported fast 90mm intake,85mm massair,asp pulley,kook 1 3/4 headers w/off roads and cutout,m6 trans,12 bolt w/4.11's. car made 463hp 414tq. If I ported the fast I may of done 473hp 420tq. Car ran 11.1 n/a and 10.2 on the bottle. I now have a 402ci making 520hp.
10-22-2009, 06:03 PM
#35
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Thanks guys. Going to the track on drag radials on Tuesday if it does not rain so Ill know just how good this setup is. It has good SOTP feel though. Im hoping to run mid 11's on a normal 60' times. Ill keep you posted!
10-22-2009, 06:15 PM
#36
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I love when people talk about hp #'s. They don't mean ****! My stock bottom end 346ci LS1 only made 447rwhp and 403rwtorque through a 4400stalled auto and a 4.11 rear gear. strange 12bolt rearend. The car weighs 3600lbs with me in it and it ran 10.99 at 122-123mph. BTW good #'s op
10-22-2009, 08:22 PM
#39
i always here duals, duals, duals! I have 3" off road y-pipe with 3" magnaflow and a dump. makes same powers as duals with less weight sounds good to. I have seen to many people go from a setup like mine to duals with x-pipe and they would loose hp or make the same but always made less torq. So add some weight and make less power Oh yeah dont forget the ground clearance thing.
sounds good to. I have seen to many people go from a setup like mine to duals with x-pipe and they would loose hp or make the same but always made less torq. So add some weight and make less power Oh yeah dont forget the ground clearance thing.
11-20-2009, 11:12 PM
#40
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So how did it do at the track. The 464HP is good hp but the 450 torq is impressive! Most cars with that HP only make around 400 tq.