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Best route for quick Z51

 
Old 07-09-2019, 06:30 AM
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Mhector13
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Default Best route for quick Z51

New owner of a 2015 M7 Z51! Iíve been searching the forum atleast a week now and all the threads seem to still hold value. I do have a some questions though since most of the threads that I was looking at for info are a couple years old.

Iím looking for the best setup to be quick (drag racing), so I believe the best route to start is LT Headers, Catless XPipe, E85, and of course a tune. Going a little further with it, Iíd like to cam and supercharge the car. My Goal is 750-850rwhp if possible on stock block/internals. I would assume that would be enough to be in the mid to low 10s providing good track condition, Iím on a good tire, and can drive.

Who makes the best supercharger kit (highest hp/tq per $)?

Is going with a cam still an expensive option compared to supercharging?

What bolt on combos have actually been proving them selves with the LT1 Platform.

And finally, what am I missing, what do I need to know that hasnít been mentioned in the older threads? Thanks ahead of time and sorry for being all over the place, just thought I would try to knockout all my questions in one go!
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Old 07-09-2019, 06:44 AM
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BlueDevilZ51
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Stock pistons start to pop around 700whp.
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Old 07-09-2019, 07:14 AM
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rrsperry
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You bought the wrong car. Seriously. You are trying to take a $2000/night hooker to the prom. Yes you can, but there are better uses.

For what you are going to spend on your C7, you could build a 1/2 back mustang or Camaro and be turning 8's. As an added bonus, your C7 will be uncomfortable, loud, and not very well behaved on the street.

Yep, that's my opinion.
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Old 07-09-2019, 07:21 AM
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Mhector13
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Originally Posted by BlueDevilZ51 View Post
Stock pistons start to pop around 700whp.
Thank you, I would still be happy with that!

Originally Posted by rrsperry View Post
You bought the wrong car. Seriously. You are trying to take a $2000/night hooker to the prom. Yes you can, but there are better uses.

For what you are going to spend on your C7, you could build a 1/2 back mustang or Camaro and be turning 8's. As an added bonus, your C7 will be uncomfortable, loud, and not very well behaved on the street.

Yep, that's my opinion.
Haha yea I know I can build a cheap drag car but Iíve wanted a c7 for a while, Iím not looking for a total race car. I want a car that looks good, as quick as it can be but have good street manners.

Last edited by Steven Bell; 07-09-2019 at 07:47 PM. Reason: Merged Posts - Please use the Multi Quote button to respond to multiple people in a single response.
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Old 07-09-2019, 11:50 AM
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us3rname
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lt4 blower and fuel system got me over 600.00 with everything else stock. Not sure what your budget is but everything can be had relatively cheap if you lay and wait for the deals.
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Old 07-09-2019, 03:29 PM
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Mhector13
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Originally Posted by us3rname View Post
lt4 blower and fuel system got me over 600.00 with everything else stock. Not sure what your budget is but everything can be had relatively cheap if you lay and wait for the deals.
Im not really on a ďbudgetĒ but really do like bang for buck type of deals. Is the lt4 blower good for more power?? Itís actuallg a route Iíve acutally considered.
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Old 07-10-2019, 07:48 AM
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us3rname
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Originally Posted by Mhector13 View Post
Im not really on a ďbudgetĒ but really do like bang for buck type of deals. Is the lt4 blower good for more power?? Itís actuallg a route Iíve acutally considered.
I'm sure I could easily get more power with a different pulley combo or other engine mods. That power was made with just the blower 5% of pulley and lt4 injectors and pump. No other mods at the time of dyno. Internals aside, I think you'd need to do a better low side fuel system or maybe a cam with a higher fuel lobe might support whatever else you throw at it to a certain point. The other hurdle is IAT2 spiking. To help keep that down I upgraded the heat exchanger and added a single m10 methanol nozzle. I'm happy with the power it has now so I haven't ventured into other power making mods.
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Old 07-10-2019, 09:00 AM
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speed4tu
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Would have been easier and cheaper just to have bought a used Z06 in the first place. Then your ceiling is higher for future mods as well.
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Old 07-10-2019, 09:31 AM
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Originally Posted by speed4tu View Post
Would have been easier and cheaper just to have bought a used Z06 in the first place. Then your ceiling is higher for future mods as well.

Cheaper? yeah ok! Total cost in for me is around $54500 with mods/tuning and at 630/672ftlbs its no slouch. At the time I purchased the car the cheapest z06's in my area were 68-70k and at that point id have rather sprung a little more for a gtr. Seems like a lot of people buy a z06 and put a procharger of some sort on them anyway so what's the point there?
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