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Old 05-13-2016, 05:33 PM   #1
scv_guy

 
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How METH is too much???

OK so I have a single turbo setup (details in my sig) and currently running a single nozzle meth system. car runs great, but I was thinking about upgrading to a dual nozzle meth setup. I know I will have to retune WOT, but is there a point when your spraying to much meth? My thoughts are more octane the better I'm running 100% meth, any input would be great.
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Old 05-13-2016, 07:26 PM   #2
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No need for a second nozzle till your up past 800whp.
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Old 05-13-2016, 10:14 PM   #3
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No need for a second nozzle till your up past 800whp.
Agreed. OP, what are the details of your built trans?
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Old 05-14-2016, 12:40 AM   #4
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I have the same setup as you. I chose the dual nozzle meth kit so that the additional meth would supplement my fuel system. I've only got a ZL1 pump and am pushing it close to its limit. It won't hurt to have the additional meth there as long as you're tuned for it.
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Old 05-14-2016, 04:18 PM   #5
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I have the same setup as you. I chose the dual nozzle meth kit so that the additional meth would supplement my fuel system. I've only got a ZL1 pump and am pushing it close to its limit. It won't hurt to have the additional meth there as long as you're tuned for it.
That is really not a very smart way to do it, better getting a BAP. You don't want setup to "depend" on meth. You want it to help with IAT's and detonation, not because your running out of fuel. If your meth fails then....
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Old 05-14-2016, 04:35 PM   #6
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Agreed. OP, what are the details of your built trans?
The trans build was pretty straight forward
Tig welded both TWS, billet shafts and Alto red eagle clutches, and new billet pump. The only factor part used was the transmission case.
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Old 05-14-2016, 08:57 PM   #7
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No need for dual until 850+rwhp. Even then I would just do dual 10s instead of a 10 and 15.
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Old 05-14-2016, 10:10 PM   #8
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Quote:
Originally Posted by kevin87turbot View Post
I have the same setup as you. I chose the dual nozzle meth kit so that the additional meth would supplement my fuel system. I've only got a ZL1 pump and am pushing it close to its limit. It won't hurt to have the additional meth there as long as you're tuned for it.
Never understood why people spend so much money on a turbo or blower setup, and then cheap out on a zl1 pump. If that pump fails and your tune/WOT AFR is meth dependant, your motor is gone.
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Old 05-14-2016, 10:25 PM   #9
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Never understood why people spend so much money on a turbo or blower setup, and then cheap out on a zl1 pump. If that pump fails and your tune/WOT AFR is meth dependant, your motor is gone.
Using meth doesn't mean you went cheap on the fuel system. FI can make a lot of heat so you need it to help keep IAT's down. And some want to stay with pump gas. On 91-93 you can buy the biggest FP you can find and its not going to help with the octane. I have a Squash system in my car and I still run meth. If I switched to race gas I would just use it to cool.
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Old 05-15-2016, 01:16 PM   #10
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Using meth doesn't mean you went cheap on the fuel system. FI can make a lot of heat so you need it to help keep IAT's down. And some want to stay with pump gas. On 91-93 you can buy the biggest FP you can find and its not going to help with the octane. I have a Squash system in my car and I still run meth. If I switched to race gas I would just use it to cool.
Agreed, however a single nozzle system can manage all of that until your pushing past 800whp. No need for dual, IMO it just creates a meth dependent engine.
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Old 05-15-2016, 04:59 PM   #11
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Just went with the alky control with AIS trunk tank. Single nozzle setup.
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Old 05-15-2016, 05:44 PM   #12
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im still running a single nozzle at 1100rwhp
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Old 05-15-2016, 05:50 PM   #13
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Agreed, however a single nozzle system can manage all of that until your pushing past 800whp. No need for dual, IMO it just creates a meth dependent engine.


Now for the single to dual nozzle. Single can put out plenty of meth. I switched to a dual for a new setup with #10 nozzles and it's a lot of meth. Going to remove one of my nozzles.
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Old 05-15-2016, 06:20 PM   #14
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im still running a single nozzle at 1100rwhp
I didn't mean to say that you "had" to go to twin after 800. I should have clarified that. That just proves my point though.

Plus you have Dave Steck tuning on your car.....that's just not fair!
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