Fastest 5.3
12-20-2005, 05:29 PM
#21
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Originally Posted by Injected1
Ok, here is what I am doing, GT-67 STS, 3k stall, Built trans, lots of suspension, bolt-ons, stock heads/cam, Tires, I am gonna take my tunner to the track, and we are just gonna crank up the boost until it pops or I am satisfied with the numbers...and for the record I will be running race gas.
Good Luck
12-20-2005, 05:37 PM
#22
Dont really see it happening on a stock lift and duration cam. Also you need to think if you blow the engine up you are going to kill the turbo too thats going to be an expensive time slip. I hope you can do it, it would be awesome but I just dont think a stock cam can support the kind of hp you are going to need we will see though good luck
12-20-2005, 08:15 PM
#23
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Originally Posted by OrlandoFL4.8
I would really like to congratulate you, those are great times considering my 4.8 I estimate is 240 RWHP plus the 100 shot is 340, so I guess I should be in the 12's too??, most I have seen with the same set up as me are mid to high 13's 
Im not saying it is impossible to get into 11's with under 500hp but there are so much involved, the driver, reaction time, putting it to the ground, track conditions, weather, experience and more than likely you have a lot of these in your favor along with a truck that hooks and when you get past 12's it seems that every .10th of a second takes double the power than lets say going from 14's to 13's. Look at parish down in the 10's all the work he has done since his 10.91 run and is running hell of alot more power now and is having a hell of a time to get 9's which I really hope he does. Based on what I have read and have witnessed here is when you get past a certain point the power you need to go down a tenth is no longer relative, it becomes exponential. So how much more RWHP do you think you will need to drop from a 12.59 to a 11.99? I will be willing to bet it will be around 100 +/- , I would really love to see a NA streetable 5.3 do 11's off of the nitrous, it will make my 6.0 swap seem so much better
Im not saying it is impossible to get into 11's with under 500hp but there are so much involved, the driver, reaction time, putting it to the ground, track conditions, weather, experience and more than likely you have a lot of these in your favor along with a truck that hooks and when you get past 12's it seems that every .10th of a second takes double the power than lets say going from 14's to 13's. Look at parish down in the 10's all the work he has done since his 10.91 run and is running hell of alot more power now and is having a hell of a time to get 9's which I really hope he does. Based on what I have read and have witnessed here is when you get past a certain point the power you need to go down a tenth is no longer relative, it becomes exponential. So how much more RWHP do you think you will need to drop from a 12.59 to a 11.99? I will be willing to bet it will be around 100 +/- , I would really love to see a NA streetable 5.3 do 11's off of the nitrous, it will make my 6.0 swap seem so much better
12-20-2005, 08:28 PM
#25
Its not going to happen. You are not going to be able to spool the turbo fast enough and efficient enough with that stock cam and you are not going to move enough air with those stock heads. You MIGHT get into the high 11's but I see no way that you are getting into the 10's. What are you running for race gas???? Are you going crazy with the tune or are you going to keep it reasonable. Because there is really no point in going insane with timing and what not just to blow up the engine for one run. You kinda need runs to back up your time to make it worth anything.
On another note; how much boost can you build at the line????? That is going to be a big factor in this as well. Get some good rear pads to help break boost it
On another note; how much boost can you build at the line????? That is going to be a big factor in this as well. Get some good rear pads to help break boost it
12-20-2005, 08:36 PM
#27
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the STS isnt going on the truck until after the first of the year...The timeslip hunt comes when the 408 is built and ready to go in...then I will also be getting a bigger turbo...I don't want to blow it up, but I am willing to for the cause
12-20-2005, 08:55 PM
#28
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Originally Posted by OrlandoFL4.8
I would really like to congratulate you, those are great times considering my 4.8 I estimate is 240 RWHP plus the 100 shot is 340, so I guess I should be in the 12's too??, most I have seen with the same set up as me are mid to high 13's
Im not saying it is impossible to get into 11's with under 500hp but there are so much involved, the driver, reaction time, putting it to the ground, track conditions, weather, experience and more than likely you have a lot of these in your favor along with a truck that hooks and when you get past 12's it seems that every .10th of a second takes double the power than lets say going from 14's to 13's. Look at parish down in the 10's all the work he has done since his 10.91 run and is running hell of alot more power now and is having a hell of a time to get 9's which I really hope he does. Based on what I have read and have witnessed here is when you get past a certain point the power you need to go down a tenth is no longer relative, it becomes exponential. So how much more RWHP do you think you will need to drop from a 12.59 to a 11.99? I will be willing to bet it will be around 100 +/- , I would really love to see a NA streetable 5.3 do 11's off of the nitrous, it will make my 6.0 swap seem so much better
Im not saying it is impossible to get into 11's with under 500hp but there are so much involved, the driver, reaction time, putting it to the ground, track conditions, weather, experience and more than likely you have a lot of these in your favor along with a truck that hooks and when you get past 12's it seems that every .10th of a second takes double the power than lets say going from 14's to 13's. Look at parish down in the 10's all the work he has done since his 10.91 run and is running hell of alot more power now and is having a hell of a time to get 9's which I really hope he does. Based on what I have read and have witnessed here is when you get past a certain point the power you need to go down a tenth is no longer relative, it becomes exponential. So how much more RWHP do you think you will need to drop from a 12.59 to a 11.99? I will be willing to bet it will be around 100 +/- , I would really love to see a NA streetable 5.3 do 11's off of the nitrous, it will make my 6.0 swap seem so much better
u r right,on somethings but the more efficient the motor is the better it is.and when you r talking about n/a,then a power adder make a hole differernt world with 100 shot u r not going to see 100 hp to the wheels.we have a 4.8 here running 13.51 n/a cam and a few bolt ons and a hell of a tune.
12-20-2005, 10:21 PM
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Originally Posted by speedy02
What track are you going too?