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Woodburn Dragstrip

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Old 06-27-2016, 09:17 PM
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I like the ballenger AFR500. But they are pretty spendy.
We use the Zietronix ZT2/3 at the shop. They work well. Easy interface to HPT

Not a fan of the AEM or Innovate.

If you are going to spray, I'd tend to favor pure meth. Or at least a 50/50 mix. Pure water will cost hp.

If IAT are too high, maybe figure out how to get to the outside air better. My vette reads ambient once it's running. It pulls air from the front bumper.

I'd like to see how you are set up.
Old 06-28-2016, 05:16 PM
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My air intake is in front of the radiator and I even made a duct and sealed it the best I could for a minimal ram air effect through the front grills. I use an ls3 Maf with the built in iat sensor. It always seems to read a few degrees above ambient .
I really need to drive it and data log . I really only bring it out when im headed to the track!
Old 06-29-2016, 12:18 AM
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Maybe I read this wrong, but are you spraying meth/water in a NA set up?
Just curious as to the purpose and effectiveness.

I had a meth kit in my old truck for the whipple and it worked well. But we are talking dropping from a much higher temp down to almost ambient.

Is this a setup where you are trying to use meth at WOT to allow you to run more timing advance for more power? (Comparable to the old trick of adding some race gas/octane booster to the tank)
Old 06-29-2016, 05:37 AM
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Yes and yes if I can. I'm trying to maximize my current setup and not lose timing on hot days . GTO'S heat soak like no other . I figure if I can keep the inlet temps under 85 and maybe gain some from more aggressive timing then it's worth the $350.
Old 06-29-2016, 02:08 PM
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I've also considered the Meth kit for N/A purposes, but I'm close to 12.5:1 compression now. Wish we had more e85 pumps around here....
Old 06-29-2016, 02:47 PM
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So is it ok to spray through the MAF?
Or were you thinking of adding a separate IAT sensor?

Or, were you just going to adjust the tables so it doesn't dump the timing and assume the real temp going into the engine has been cooled?
Old 06-29-2016, 04:10 PM
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Originally Posted by AgFormula02
Maybe I read this wrong, but are you spraying meth/water in a NA set up?
Just curious as to the purpose and effectiveness.

I had a meth kit in my old truck for the whipple and it worked well. But we are talking dropping from a much higher temp down to almost ambient.

Is this a setup where you are trying to use meth at WOT to allow you to run more timing advance for more power? (Comparable to the old trick of adding some race gas/octane booster to the tank)
There have been more and more N/A guys using it with success, especially in areas that are limited to mostly 91 octane pump fuel, like the whole west coast.

Yes, mostly used at WOT and activated with a low/high setting through the MAF or MAP (0-5v) sensors.
Old 06-29-2016, 05:38 PM
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Originally Posted by RonSSNova
So is it ok to spray through the MAF?
Or were you thinking of adding a separate IAT sensor?

Or, were you just going to adjust the tables so it doesn't dump the timing and assume the real temp going into the engine has been cooled?
This is the tricky part with my short intake tract. I plan to spray just pass the MAF and use a IAT breakout to move my sensor just past the Throttle body so when I'm not spraying it will pull timing like normal.
I've been thinking about changing the IAT vs Timing table so it's not so aggressive. Apparently GTO's factory setup pulls more timing per *temp compared to F-bodys and vettes
Old 06-29-2016, 08:29 PM
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Sounds good
Old 06-30-2016, 03:30 PM
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Originally Posted by RonSSNova
So how is it?
Runs awesome. I've put about 550 miles on it. Pulls hard and very streetable. I took it to Tacoma and cruised in 6th gear @65-70 (1500rpm) and it drives like a dream. Averaged about 20-24mpg
Old 07-01-2016, 09:36 AM
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Sweet!
Old 07-02-2016, 05:59 PM
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Originally Posted by Mikey 97Z M6
There have been more and more N/A guys using it with success, especially in areas that are limited to mostly 91 octane pump fuel, like the whole west coast.

Yes, mostly used at WOT and activated with a low/high setting through the MAF or MAP (0-5v) sensors.
never thought about a NA application but I see the logic.
Always wondered why we don't get 93 or better at the pump.
Old 07-07-2016, 03:14 AM
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Originally Posted by nogomofo1970
This is the tricky part with my short intake tract. I plan to spray just pass the MAF and use a IAT breakout to move my sensor just past the Throttle body so when I'm not spraying it will pull timing like normal.
I've been thinking about changing the IAT vs Timing table so it's not so aggressive. Apparently GTO's factory setup pulls more timing per *temp compared to F-bodys and vettes
I've tuned several GTO's and the stock IAT timing table is horrid. Just zero out the WOT areas up to 150 or so degrees. It's not like the actual air entering the engine is that hot. I don't see the point of adding meth if this is all you're really after.

Originally Posted by Mikey 97Z M6
I've also considered the Meth kit for N/A purposes, but I'm close to 12.5:1 compression now. Wish we had more e85 pumps around here....
I get 55 gallon barrels of e85 its not bad at all $3.15 a gallon, check with your local Pacific Pride. I'm in Spokane so I don't know whats available for you coasties? A $20 plastic pump and 5 gallon gas cans it's a breeze.
Old 07-07-2016, 10:53 AM
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Yeah I plan to change the tables a bit and see what happens. I won't be done with the meth addition before my next race so hopefully modifying the table helps.



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