Pete and Craig raise the bar again 8.39 @ 163.55
09-06-2006, 11:05 AM
#1
6600 rpm clutch dump of death Administrator
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Pete and Craig raise the bar again 8.39 @ 163.55 http://www.ls1.com.au/forum/showthread.php?t=60925
Originally Posted by Plan B
Hey guys, just a quick update on the utes performance during the East Coast Nationals last weekend.
The car is really going well and after Craig qualifying 11th in a field of almost 100 cars we got bumped out in the 3rd round by a guy who ran a 9.458 on a 9.45 dial with a reaction time of .009!! :diddy:
The engine is still on a soft tune with only 12lb’s boost and 6,800rpm shift point making just over 1,000hp and the car is still heavy at 3,048lb’s race weight so there is still plenty to go!
60’ = 1.19
660’ = 5.33 @ 130.25mph
ET = 8.39 @ 163.55 mph
Check out the vid and watch how quickly the finish line comes up at over 260kph! 5.7meg
http://www.purefect.com.au/textralia/craigweb83.wmv
The car is really going well and after Craig qualifying 11th in a field of almost 100 cars we got bumped out in the 3rd round by a guy who ran a 9.458 on a 9.45 dial with a reaction time of .009!! :diddy:
The engine is still on a soft tune with only 12lb’s boost and 6,800rpm shift point making just over 1,000hp and the car is still heavy at 3,048lb’s race weight so there is still plenty to go!
60’ = 1.19
660’ = 5.33 @ 130.25mph
ET = 8.39 @ 163.55 mph
Check out the vid and watch how quickly the finish line comes up at over 260kph! 5.7meg
http://www.purefect.com.au/textralia/craigweb83.wmv
09-06-2006, 02:37 PM
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Yep, that is definately an efficient combo. What type of RPM are they turning on that engine?
That's with a big Vortech also isn't it, not a turbo.
That's with a big Vortech also isn't it, not a turbo.
09-06-2006, 03:06 PM
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Originally Posted by Luis Castellanos
Holly 60ft Batman!
how does he shift?
how does he shift?
Looks like this...mounts to the shifter.
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09-06-2006, 04:14 PM
#9
6600 rpm clutch dump of death Administrator
Thread Starter
Nothing super trick in the short block, Diamond Pistons, and Lunati Rods. it is set up for 1/2" ARP studs though.
Its running a YSi trimmed supercharger from CAPA using their awsome belt drive setup. The dyno room intercooler stopped up at ~900 HP, and max HP at 12psi was ~950 @ 6500. The 60lb injectors also were maxxed out on fuel and even going up to 80 psi didn't help out.
So, Pete had the injectors re-drilled and flow balanced, and the intercooler off the car is going into the dyno cell. Pressure before the intercooler was 20psi. Pressure after the intercooler was 12psi. At 20 psi we're expecting around 1100 HP, and it should go to 7200 or so. In Craig's car it should be good for some 7's.
It running a set of Nathan Higgins heads, and the cam out of Pete's 422 (didn't have any spare cams laying around). Its a custom Crow SR cam that was used by the HRT team in their Supercar motor. Specs are 258/262 .644/.661 107.5 LSA. Most folks wouldn't call that a supercharger cam, but you can't argue with the results....
Enjoy...
Its running a YSi trimmed supercharger from CAPA using their awsome belt drive setup. The dyno room intercooler stopped up at ~900 HP, and max HP at 12psi was ~950 @ 6500. The 60lb injectors also were maxxed out on fuel and even going up to 80 psi didn't help out.
So, Pete had the injectors re-drilled and flow balanced, and the intercooler off the car is going into the dyno cell. Pressure before the intercooler was 20psi. Pressure after the intercooler was 12psi. At 20 psi we're expecting around 1100 HP, and it should go to 7200 or so. In Craig's car it should be good for some 7's.
It running a set of Nathan Higgins heads, and the cam out of Pete's 422 (didn't have any spare cams laying around). Its a custom Crow SR cam that was used by the HRT team in their Supercar motor. Specs are 258/262 .644/.661 107.5 LSA. Most folks wouldn't call that a supercharger cam, but you can't argue with the results....
Enjoy...
Originally Posted by Plan B
This engine is just a lazy but very reliable 1,000hp + @ only 6,600rpm with just 12lb’s of boost and a mere 18deg of total ignition. Like J-Rod mentioned, it’s really nothing special and could very well run on pump gas with air intake temps on 100deg.
We sorted the lack of injection by re-drilling the injectors and they are now perfect at 90lb's ea still with high impedance driven from the stock computer ( there is a trick to this, as only 2 holes are needed to be made in order to keep the rigidity in the plate on the commonly used 60lb Seiman injectors at standard fuel pressure.
The other issue we encountered was the air to water intercooler built for the engine dyno years ago and a quick pressure differential check confirmed the loss as it was struggling to flow over 900hp so we grabbed the intercooler out of the car and placed it in a tub of water. The engine instantly made 1,040hp and it’s right on song for what it is.
As you can see the car is sponsored by Vortech and the plan is to show simplicity as with reliability whilst it’s campaigned around the country through the upcoming season.
This engine won’t be a record breaker as it’s purpose is really just a demonstration with an affordable hybrid street engine designed on a budget for those who are interested in easy to tune packages that simply work for the novice.
Here are some pic’s from today, I’ll let you all know how it goes;
Pete.
One dyno run
Dyno Intercooler.
Car Intercooler.
The car.
We sorted the lack of injection by re-drilling the injectors and they are now perfect at 90lb's ea still with high impedance driven from the stock computer ( there is a trick to this, as only 2 holes are needed to be made in order to keep the rigidity in the plate on the commonly used 60lb Seiman injectors at standard fuel pressure.
The other issue we encountered was the air to water intercooler built for the engine dyno years ago and a quick pressure differential check confirmed the loss as it was struggling to flow over 900hp so we grabbed the intercooler out of the car and placed it in a tub of water. The engine instantly made 1,040hp and it’s right on song for what it is.
As you can see the car is sponsored by Vortech and the plan is to show simplicity as with reliability whilst it’s campaigned around the country through the upcoming season.
This engine won’t be a record breaker as it’s purpose is really just a demonstration with an affordable hybrid street engine designed on a budget for those who are interested in easy to tune packages that simply work for the novice.
Here are some pic’s from today, I’ll let you all know how it goes;
Pete.
One dyno run
Dyno Intercooler.
Car Intercooler.
The car.
Last edited by J-Rod; 09-06-2006 at 04:21 PM.
09-07-2006, 03:29 AM
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Hi,
We're using this for the shifter!
Around 50,000rpm
I'd say around 900ish!
Cheers
Pete
We're using this for the shifter!
Originally Posted by stevieturbo
How fast are they actually spinning the blower ?
Originally Posted by stevieturbo
How would that dyno HP figure, compare to say a rwhp figure from a DD or Dynapack for example ?
Cheers
Pete
09-07-2006, 12:52 PM
#15
9 Second Club
Originally Posted by Plan B
Hi,
Around 50,000rpm
I'd say around 900ish!
Cheers
Pete
Around 50,000rpm
I'd say around 900ish!
Cheers
Pete
50k sounds kinda low ?
09-07-2006, 02:05 PM
#17
6600 rpm clutch dump of death Administrator
Thread Starter
09-07-2006, 03:27 PM
#18
9 Second Club
Blower looks like a 29T, and crank looks like the one I was originally sent, at 86T, although it may be smaller. Impossible to count on the pic.
50k just doesnt sound right if thats the blower gearing, or anywhere even close to it, or for the amount of power/boost being made.
50k just doesnt sound right if thats the blower gearing, or anywhere even close to it, or for the amount of power/boost being made.
And thats with drivin' on the wrong side...
