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Finally Dynod My TVS Setup

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Old 04-12-2012 | 03:15 PM
  #51  
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From: Murray, KY
Good place to start. Now buy some tuning time at this dyno, and make 15 or 20 pulls instead of 3..
Old 04-12-2012 | 03:17 PM
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Originally Posted by Staged07SS
You did not fully read the OP's first post....

I'll give you a hint (13*, 11.3 AFR, conservative).

People who think just bolting on a TVS will net you an easy 300whp are out in left field.

Without proper octane, timing, revs you will not see those kinds of numbers.

When the OP bumps up the timing and leans out the AFR a bit he will see over 300whp with his current setup for sure.
Yup. 300whp should be achievable on almost any TVS setup. However it'll take a decent amount of time and knowledge to get the tune to that point(or it will for me anyway).

It seems like most people think just throwing smaller and smaller pulleys for more and more boost will automatically make high hp. More boost will generally provide more TQ fairly easily, but the high peak HP is a bit harder to get to just by when cramming a bunch of hot air into the engine. Guys like Area who have a lot of time tuning a lot of different engines and setups know all the little tweaks to get all the power out. Although a lot of it is just your basic MAF, PE, High Octane Timing tables but that's not all of it...from what I've understood/read this far

I think I still have a graph of my stock m62 setup that i tuned a bit compared to one of my first pulls with the tvs and they made similar power/tq curves even though the tvs was about 1 point richer from low-mid range and about .5 point leaner from mid-top end and had KR over 7000rpms

found it

Last edited by RooTBeeR; 04-12-2012 at 03:23 PM.
Old 04-12-2012 | 03:36 PM
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Originally Posted by Staged07SS
Note:

He is running 13* of timing....

The TVS loves timing and revs. With more timing, and some adjustments to the tune he will be over 300whp with his setup.
Note:

He probably could not run more then 15* of timing with that pulley and his setup. Conservative is one thing. But 2 more degrees of timing is not going to get him another 17whp.

I would go back to the stock pulley to run a little more timing and cut back on the heat.

Originally Posted by Maven
Just because people go fast with the GMPP exhaust doesn't mean its the proper exhaust for a TVS car or that they wouldn't do better with different exhaust, you guys are using flawed logic. There's no reason to believe 2.25" exhaust is the best option for cars flowing over 25(if not 30-35)lbs/min MAF.
Its the fact that you have mechanically driven induction that's seems to mask the inefficiency of the small pipes.
I agree 100%. People flash those results around like it is the standard. IMHO. It is far from it...

https://www.cobaltss.net/forums/dyno...5-dyno-246633/

There is KR at the top of that run. Maybe a larger exhaust would have prevented that.

Old 04-12-2012 | 03:47 PM
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Originally Posted by RooTBeeR
I think I still have a graph of my stock m62 setup that i tuned a bit compared to one of my first pulls with the tvs and they made similar power/tq curves even though the tvs was about 1 point richer from low-mid range and about .5 point leaner from mid-top end and had KR over 7000rpms

found it
People called me crazy when I started this thread.

https://www.cobaltss.net/forums/2-0l...soline-190724/

Well they still do... N E Way.

The point is, if someone wants to do the TVS, do it right...
Old 04-12-2012 | 03:52 PM
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Timing plays a huge role in the power

TVS is fun, but gotta pay to play as the saying goes.

luckily for me im not shooting for stupid high numbers though 300-350 would suit me just peachy but im more in for the nice high broad tq curve

...wish i had E around here
Old 04-12-2012 | 04:00 PM
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The power difference is so noticable between pump gas and e85 on my car that I stockpile e85 in gas cans. The closest station is 30 minutes away, so i fill up gas cans everytime i go through. After feeling the car on 27* of timing.. 15* sucks hardcore.
Old 04-12-2012 | 04:16 PM
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Lightbulb

So started leaning the afr a little bit today to 11.8 and remodified my timing map a little bit to see how far i can push it , ramped the timing a bit up to 18 degrees uptop over 6k rpms, activated my meth pump, however its only spraying a 100% distilled water on a 3gph nozzle, the last 5 gallons were distilled water in it so I know there's no meth left I made serveral runs on 93 pump gas " E10 " Didnt see any knock during WOT, however did see the usual knock when im at lower rpms, thank you solid mounts lol

I'll get it dynod soon and will try to log the runs to get all the stats

Anyways heres the timing map that Im using atm and will be modifying a bit



And here's the KR log

Old 04-12-2012 | 04:26 PM
  #58  
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From: newportnews va
Originally Posted by Maven
Just because people go fast with the GMPP exhaust doesn't mean its the proper exhaust for a TVS car or that they wouldn't do better with different exhaust, you guys are using flawed logic. There's no reason to believe 2.25" exhaust is the best option for cars flowing over 25(if not 30-35)lbs/min MAF.
Its the fact that you have mechanically driven induction that's seems to mask the inefficiency of the small pipes.
Our logic is flawed? In your post u referenced the gmp as a possible issue. I simply stated that isn't the case. Blown cars need a good scavenging exhaust system. Bigger is not always better you know this. On turbo yes by all means.
Old 04-12-2012 | 04:33 PM
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Originally Posted by zrated89
Our logic is flawed? In your post u referenced the gmp as a possible issue. I simply stated that isn't the case. Blown cars need a good scavenging exhaust system. Bigger is not always better you know this. On turbo yes by all means.
This.
Old 04-12-2012 | 04:36 PM
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Originally Posted by 383_Stroker
The power difference is so noticable between pump gas and e85 on my car that I stockpile e85 in gas cans. The closest station is 30 minutes away, so i fill up gas cans everytime i go through. After feeling the car on 27* of timing.. 15* sucks hardcore.
Yeah, The closest e-85 station to me is like 35-40 min away, I want an e-85 tune soooo Bad but its so damn far away, How many gas cans do you fill up and how many gallons do they hold? Is it very Inconvienient?
Old 04-12-2012 | 04:37 PM
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From: newportnews va
Originally Posted by ebristol
Note:

He probably could not run more then 15* of timing with that pulley and his setup. Conservative is one thing. But 2 more degrees of timing is not going to get him another 17whp.

I would go back to the stock pulley to run a little more timing and cut back on the heat.



I agree 100%. People flash those results around like it is the standard. IMHO. It is far from it...

https://www.cobaltss.net/forums/dyno...5-dyno-246633/

There is KR at the top of that run. Maybe a larger exhaust would have prevented that.

You must have not seen the timing map that Brian set wes up with lmao that car was on an **** load of timing
Old 04-12-2012 | 04:38 PM
  #62  
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Originally Posted by zrated89
Where's you slips? Haven't seen ur post in the 1/4 thread. And I trap 117 on slicks would def trap higher on a radial or street tires
got my times slips at home!
I keep my time slip/records for my own satisfaction!!
Old 04-12-2012 | 04:39 PM
  #63  
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From: Murray, KY
Originally Posted by Sully20
Yeah, The closest e-85 station to me is like 35-40 min away, I want an e-85 tune soooo Bad but its so damn far away, How many gas cans do you fill up and how many gallons do they hold? Is it very Inconvienient?
My job requires me to travel through the town with the nearest station at least once per week. I just rotate out two cans. Sometimes i need one.. sometimes i take both with me.

I also run it mixed 50/50, so it lasts alot longer than it would if i were running full e85.

Its not particularly convenient, but it's worth it to me!
Old 04-12-2012 | 04:43 PM
  #64  
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Originally Posted by 383_Stroker
My job requires me to travel through the town with the nearest station at least once per week. I just rotate out two cans. Sometimes i need one.. sometimes i take both with me.

I also run it mixed 50/50, so it lasts alot longer than it would if i were running full e85.

Its not particularly convenient, but it's worth it to me!
That sounds good, Do you get the same power output of full e-85 if you mix 50/50? Also, How do you mix it correctly without adding too much or too little?
Old 04-12-2012 | 04:44 PM
  #65  
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From: newportnews va
Originally Posted by Corvettespirit
got my times slips at home!
I keep my time slip/records for my own satisfaction!!
Own personal satisfaction eh? Lol well what was your et? If i were u and your trapping what u say why not jump on the list with me as one of the fastest tvs cars? Unless your lack of et contributed to the faster trap mph
Old 04-12-2012 | 04:46 PM
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From: newportnews va
Originally Posted by Sully20
That sounds good, Do you get the same power output of full e-85 if you mix 50/50? Also, How do you mix it correctly without adding too much or too little?
One for one lol. It's been proven that running full E85 doesn't really net better results than e47 and the fact that its less harsh on the fuel system is beneficial as well
Old 04-12-2012 | 04:53 PM
  #67  
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From: Murray, KY
Originally Posted by Sully20
That sounds good, Do you get the same power output of full e-85 if you mix 50/50? Also, How do you mix it correctly without adding too much or too little?
5 gallon gas can... 5 gallons of pump gas... and done..lol

I can get pretty agressive with the timing and get away with it on 50/50, so it works for me.
Old 04-12-2012 | 05:12 PM
  #68  
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Originally Posted by zrated89
You must have not seen the timing map that Brian set wes up with lmao that car was on an **** load of timing
It still is. Timing hasn't been touched at all. I really gotta get her inspected. I miss my fun car.
Old 04-12-2012 | 05:31 PM
  #69  
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Originally Posted by 383_Stroker
5 gallon gas can... 5 gallons of pump gas... and done..lol

I can get pretty agressive with the timing and get away with it on 50/50, so it works for me.
Oh Ok, Thanks Zrated, Ummm, So do you have 2 different tunes or just the e-85 tune? Thats what I thought in terms of how to mix it, I just wanted to make sure, So 5 gallon container of e-85 and then just pump 5 gallons on 93 Octane pump gas correct?

How much extra WHP do you think you are netting from going e-85?

Last edited by Sully20; 04-12-2012 at 05:31 PM. Reason: Automerged Doublepost
Old 04-12-2012 | 05:38 PM
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Originally Posted by Sully20
Oh Ok, Thanks Zrated, Ummm, So do you have 2 different tunes or just the e-85 tune? Thats what I thought in terms of how to mix it, I just wanted to make sure, So 5 gallon container of e-85 and then just pump 5 gallons on 93 Octane pump gas correct?

How much extra WHP do you think you are netting from going e-85?
I believe E85 gets mixed with 91 to make e47 but I can be wrong so i'll wait for others to chime in.
Old 04-12-2012 | 05:40 PM
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Originally Posted by alleycat58
It still is. Timing hasn't been touched at all. I really gotta get her inspected. I miss my fun car.
Get on it and go run faster times than wes
Old 04-12-2012 | 05:48 PM
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Originally Posted by zrated89
You must have not seen the timing map that Brian set wes up with lmao that car was on an **** load of timing
I heard. 26*. But KR is still KR.

Originally Posted by SunburstSS
So started leaning the afr a little bit today to 11.8 and remodified my timing map a little bit to see how far i can push it , ramped the timing a bit up to 18 degrees uptop over 6k rpms, activated my meth pump, however its only spraying a 100% distilled water on a 3gph nozzle, the last 5 gallons were distilled water in it so I know there's no meth left I made serveral runs on 93 pump gas " E10 " Didnt see any knock during WOT, however did see the usual knock when im at lower rpms, thank you solid mounts lol

I'll get it dynod soon and will try to log the runs to get all the stats

Anyways heres the timing map that Im using atm and will be modifying a bit



And here's the KR log
This thread will help you with the AFR stuff.

https://www.cobaltss.net/forums/dyno...s-fact-230350/

Originally Posted by 383_Stroker
The power difference is so noticable between pump gas and e85 on my car that I stockpile e85 in gas cans. The closest station is 30 minutes away, so i fill up gas cans everytime i go through. After feeling the car on 27* of timing.. 15* sucks hardcore.
And ^^^ guys thread would have helped you with the timing stuff but he deleted his pics. WTF? lol

https://www.cobaltss.net/forums/dyno...-picts-234566/
Old 04-12-2012 | 05:51 PM
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The fueling thread and timing thread above are your best friend Sunburst...

Use them wisely :P
Old 04-12-2012 | 05:52 PM
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If I recall it was higher than that. The point is he's not even close to needing a bigger catback. The exhaust ports on my stock head are hindering me more than my catback.
Old 04-12-2012 | 06:09 PM
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Thanks ebristol and 100%Meth I shall read them and learn some good stuff, i will bug stroker about his timing maps lol...


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