TSP 5.3L stage 2.5 heads dyno results
01-08-2007, 08:12 PM
#1
On The Tree
Thread Starter
iTrader: (1)
Join Date: Jul 2004
Location: Houston
Posts: 175
Likes: 0
Received 0 Likes
on
0 Posts
TSP 5.3L stage 2.5 heads dyno results My '02 vette LS1 with Kooks LT's, hi-flow cats, Corsa cat back, Halltech stinger intake and MTI X1 cam made 384rwhp.
Added TSP heads, .040 cometic gaskets for 11.18:1 SCR and 8.55:1 DCR. Also added Shanner ported TB and ASP UD pulley. Before and after results below.
Here is a video of the run. Right click & save to target
Added TSP heads, .040 cometic gaskets for 11.18:1 SCR and 8.55:1 DCR. Also added Shanner ported TB and ASP UD pulley. Before and after results below.
Here is a video of the run. Right click & save to target
Last edited by blazeone; 01-10-2007 at 07:50 PM.
01-08-2007, 09:40 PM
#4
On The Tree
Thread Starter
iTrader: (1)
Join Date: Jul 2004
Location: Houston
Posts: 175
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by bad6as
whats the a/f
01-08-2007, 11:31 PM
#7
I didn't gain anything on the dyno with a ASP pulley nor a Shaner S2 truck throttle body. If I had gained 40rwhp/30rwtq on a pair of heads, I'd be satisfied.
Did you need to shim the springs within .050 coil bind, or were they already setup correctly? You've got a PM.
Did you need to shim the springs within .050 coil bind, or were they already setup correctly? You've got a PM.
Trending Topics
01-09-2007, 06:59 AM
#10
On The Tree
Thread Starter
iTrader: (1)
Join Date: Jul 2004
Location: Houston
Posts: 175
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by JimMueller
Did you need to shim the springs within .050 coil bind, or were they already setup correctly? You've got a PM.
01-09-2007, 07:16 AM
#11
Originally Posted by blazeone
Jim your PM box is full. To answer your question I don't know about the .050 coil bind setup, MTI installed the heads for me, I'll ask them. Also, I did not receive a flow sheet.
01-09-2007, 10:54 AM
#12
TECH Apprentice
iTrader: (1)
Join Date: Apr 2005
Location: Tampa Bay Area, FL
Posts: 315
Likes: 0
Received 0 Likes
on
0 Posts
Yeah, although the numbers don't look that great compared to some of the "internet" results you see, I'd say a 40 rwhp and 30 rwtq gain is pretty decent.
01-09-2007, 11:20 AM
#13
Staging Lane
Join Date: Oct 2006
Location: Hobbs, NM
Posts: 72
Likes: 0
Received 0 Likes
on
0 Posts
I don't think that you are off that much. I basically have the same setup that you do except for 2 things. I have a little large cam and 1 3/4" American Racing Header. You are only short 7hp and 10tq of what I did. The larger headers are hurting you some on torque and your smaller lift on your cam is where you could be losing hp. I think you have some pretty good gains myself. 
01-09-2007, 02:58 PM
#15
LSxGuy widda 9sec Mustang
iTrader: (12)
Join Date: Nov 2001
Location: Texas and Qatar
Posts: 3,043
Likes: 0
Received 0 Likes
on
0 Posts
The heads were built & setup for the guys here @ TSP. They are all set up exactly the same thanks to the cnc seat & guide machine.
The heads ship with 2.023" intake valve height & 2.027" exhaust valve height. As a result we set them up with a .020" thicker shim to keep the spring kit setup correctly
The heads ship with 2.023" intake valve height & 2.027" exhaust valve height. As a result we set them up with a .020" thicker shim to keep the spring kit setup correctly
01-09-2007, 03:33 PM
#16
Originally Posted by blazeone
Well, I'm somewhat underwhelmed. My '02 vette LS1 with Kooks LT's, hi-flow cats, Corsa cat back, Halltech stinger intake and MTI X1 cam made 384rwhp.
Added TSP heads, .040 cometic gaskets for 11.18:1 SCR and 8.55:1 DCR. Also added Shanner ported TB and ASP UD pulley. Before and after results below.
Here is a video of the run. Right click & save to target
Added TSP heads, .040 cometic gaskets for 11.18:1 SCR and 8.55:1 DCR. Also added Shanner ported TB and ASP UD pulley. Before and after results below.
Here is a video of the run. Right click & save to target
Numbers do seem low, (specifically the TQ) considering that it looks like you did all your homework with the combo, i.e. quench, static compression, DCR, etc...
I not would say your are off by much though...
01-10-2007, 09:40 PM
#19
Originally Posted by Dr. Jeckel
If I got 40rwhp from heads I would be more than satisfied. I have seen some only gain 20-30rwhp. Your cam only numbers are about 15-20 lower than most cam only cars these days.
Looks like a solid gain
Looks like a solid gain
01-10-2007, 09:47 PM
#20
On The Tree
Thread Starter
iTrader: (1)
Join Date: Jul 2004
Location: Houston
Posts: 175
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by SideStep
I agree the cam-only numbers started you off short... The gain from heads looks ok....