Vengeance Racing 402 Iron Block/TFS Heads RESULTS INSIDE
02-28-2007, 09:01 AM
#1
Vengeance Racing 402 Iron Block/TFS Heads RESULTS INSIDE I thought some of you might like to see some INDEPENDENT results for a package we put together. This combo was built for a customer in Florida for his Z06. We built the engine and he took it home and installed/tuned it himself.
The engine consists of:
GM Iron Block
Callies Crank
Compstar Rods
Diamond Nitrous pistons (coated tops/sides)
Hell Fire Rings
TrickFlow 225cc Cylinder Heads
Harland Sharp Roller Rockers
Vengeance Racing Custom Camshaft
Cometic Head Gaskets
ARP throughout
This combo was built with a big hit of nitrous in mind... Approximately 200 to 300 once he gets it all dialed in.
#s below are from an independent dyno in Alabama with an independent tuner.
Here is the email from our customer:
Hey Ron
I haven’t had time to post up the results on ls1tech things have been really busy lately since im buying a new house. Here is the graph though in case you want to throw it up.I think it came out pretty damn good considering its set up for the spray and it only has 350 miles on the motor.For the tune we only put in 26 degrees of timing so im sure its gonna pick up with more timing to.
Thanks
Cole
The engine consists of:
GM Iron Block
Callies Crank
Compstar Rods
Diamond Nitrous pistons (coated tops/sides)
Hell Fire Rings
TrickFlow 225cc Cylinder Heads
Harland Sharp Roller Rockers
Vengeance Racing Custom Camshaft
Cometic Head Gaskets
ARP throughout
This combo was built with a big hit of nitrous in mind... Approximately 200 to 300 once he gets it all dialed in.
#s below are from an independent dyno in Alabama with an independent tuner.
Here is the email from our customer:
Hey Ron
I haven’t had time to post up the results on ls1tech things have been really busy lately since im buying a new house. Here is the graph though in case you want to throw it up.I think it came out pretty damn good considering its set up for the spray and it only has 350 miles on the motor.For the tune we only put in 26 degrees of timing so im sure its gonna pick up with more timing to.
Thanks
Cole
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02-28-2007, 10:23 AM
#10
Very strong and very BELIEVABLE numbers from this excellent combination of parts. Love the torque! By the way, that dip at 4000 rpm is a Corvette thing and is a dyno phenomenon that won't necessarily show up on the strip when all 4 wheels are moving (hint, hint). By addressing a few tables in the tune, you can keep the PCM from jacking with the timing when it's on the chassis dyno. Slowhawk has mentioned this in another dyno thread.
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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.
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.
02-28-2007, 10:28 AM
#12
TECH Veteran
Originally Posted by Patrick G
Very strong and very BELIEVABLE numbers from this excellent combination of parts. Love the torque!
i wisht they would quit making all these diff 500+ combos....making it hard to decide on what way to go....
02-28-2007, 10:59 AM
#13
Originally Posted by WKMCD
Great numbers! What intake is this running?
02-28-2007, 11:58 AM
#14
Originally Posted by Patrick G
Very strong and very BELIEVABLE By the way, that dip at 4000 rpm is a Corvette thing and is a dyno phenomenon that won't necessarily show up on the strip when all 4 wheels are moving (hint, hint).
02-28-2007, 12:11 PM
#15
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Thats damn impressive! Cant wait to get a ride in that beast!
Coles car was a freak before that motor went in... i got his old motor in my car now....
Great Job Vengeance!
Coles car was a freak before that motor went in... i got his old motor in my car now....
Great Job Vengeance!
but are these legit numbers? 
02-28-2007, 01:01 PM
#17
Any Idea what my 370 would make on a dynojet with a Z06 drivetrain?
It made 480 thru a TH400/12 bolt on a mustang dyno.
Do You Vengence guys only work on Z06's or what? They seem to dyno a little better than Fbodies dont they?
Those numbers are good and believable for a 408.
My motor is set up loose for a 500 shot
It made 480 thru a TH400/12 bolt on a mustang dyno.
Do You Vengence guys only work on Z06's or what? They seem to dyno a little better than Fbodies dont they?
Those numbers are good and believable for a 408.
My motor is set up loose for a 500 shot
02-28-2007, 01:25 PM
#18
Originally Posted by ATVracr
Any Idea what my 370 would make on a dynojet with a Z06 drivetrain?
It made 480 thru a TH400/12 bolt on a mustang dyno.
Do You Vengence guys only work on Z06's or what? They seem to dyno a little better than Fbodies dont they?
Those numbers are good and believable for a 408.
My motor is set up loose for a 500 shot
It made 480 thru a TH400/12 bolt on a mustang dyno.
Do You Vengence guys only work on Z06's or what? They seem to dyno a little better than Fbodies dont they?
Those numbers are good and believable for a 408.
My motor is set up loose for a 500 shot
What's going on with the TFS heads that PSI bought? Head comparo?
02-28-2007, 01:31 PM
#19
Any Idea what my 370 would make on a dynojet with a Z06 drivetrain?SlowEtz had a 346 that made 464/420s through an M6/12bolt/28"slicks... Swapped over to a Lock up TH400 with 3600 stall and still pulled 450s locked..If we say the Mustang Dyno is 10% off from a DynoJet that would put you at 528rwhp....
It made 480 thru a TH400/12 bolt on a mustang dyno.
Do You Vengence guys only work on Z06's or what? They seem to dyno a little better than Fbodies dont they? We tend to get a lot of Vette traffic through our shop.
Those numbers are good and believable for a 408. It is actually a 402 .. Glad you guys can believe these #s... Considering they were made on a dyno several hundred miles away and the engine was installed by the customer himself.
My motor is set up loose for a 500 shot .... This particular combo is set up for a 200 to 300 shot. Its fairly loose as well.
It made 480 thru a TH400/12 bolt on a mustang dyno.
Do You Vengence guys only work on Z06's or what? They seem to dyno a little better than Fbodies dont they? We tend to get a lot of Vette traffic through our shop.
Those numbers are good and believable for a 408. It is actually a 402 .. Glad you guys can believe these #s... Considering they were made on a dyno several hundred miles away and the engine was installed by the customer himself.
My motor is set up loose for a 500 shot .... This particular combo is set up for a 200 to 300 shot. Its fairly loose as well.
02-28-2007, 01:39 PM
#20
TECH Fanatic
Originally Posted by Ron@Vengeance
Forgot to add it has a Vengeance ported FAST. The gentleman tuning the car said the intake is holding the car back right now. He mentioned the amount of air the MAF was reading and said there are definate intake restrictions