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Old 11-06-2012, 04:02 PM   #1
JANNETTYRACING
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JRE ZL-1 NO TUNE PULLEY ROTOFAB TESTING RESULTS

Pay Very close attention because I don't want to lose anyone.

We learned a lot today some of it good some of it not so good.

It is in the Mid 40s here today so I wanted to re baseline the car with just the 10% overdrive with logging and found 2 things out pretty quick THESE TIRES SUCK IN COLD WEATHER and traction on the dyno was an issue that proved to be hard to overcome.

This reduced Measurable torque which translates into, HP Torque X RPM / 5252 = HP.

Where in warmer weather we had 510 RWHP and 510 RWTQ we cam up with 506 RWHP and 490 RWTQ due to tire slippage, but at least it was repeatable over and over again.

Now Some of this I can also attribute to Learning down to the Low octane table due to the added boost, I had driven the car around a bit and also refueled today before we went on the dyno.

So, on to the Rotofab CAI, The Quality Fit and Finish if Fantastic especially with the Carbon Fiber Coating.

The Fuel Trims are Perfect I put about 10 miles on the dyno with load cycling up and down the MAF Curve, Very Impressive.

WOT the AFR Repeated the Stock Air Box again Very Impressive made 6 pulls.

Boost Gain up 1 PSI to 1.2 PSI at the top.

Here is the BAD News, We Are Up Against the ALL MIGHTY HP LIMITER, OCTANE!!!

With manifold pressure reaching 12 psi on the stock tune knock retard became a Problem with the 10% overdrive pulley and Rotofab Cold Air kit combined, I will come back to this.

This intake by it self will be very good easily in the 30 RWHP RANGE, WAIT TILL THE END BEFORE YOU DRAW A CONCLUSION.

So I re installed the 5% pulley with the Rotofab CAI and Made another 6 pulls and repeated the 514 RWHP with less knock retard, AGAIN OCTANE IS LIMITING US HERE NOT THE PARTS

10.4 PSI is about all the stock tune will tolerate.

OK, back to the 10% pulley, Rotofab and a can of TORCO to near full tank, making about 97 octane, 541 RWHP 528 RWTQ.

This Graph reading from the bottom up is STOCK, VS 5% PULLEY VS 10% PULLEY VS 10% PULLEY ROTOFAB CAI WITH TORCO.

So in conclusion the parts are doing everything promised providing we have the octane.

We are looking for NO Tune Options this is a GREAT PACKAGE

Ted.
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Old 11-06-2012, 04:12 PM   #2
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So what were the HP/TQ numbers with the 5% OD pulley and the CAI, and is this a combo that can be ran without a tune? Will knock retard hurt the motor? In Cali, the highest pump octane we have is 91 octane.
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Old 11-06-2012, 04:23 PM   #3
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A Little confusing.

Question 1.

Can the 10% pulley in combination with the Roto Fab be used without throwing a code?

Question 2.

What is the gain from baseline?

Question 3

Same questions as above but with the 5% pulley?
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Old 11-06-2012, 04:43 PM   #4
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Originally Posted by 69NMYSS View Post
So what were the HP/TQ numbers with the 5% OD pulley and the CAI, and is this a combo that can be ran without a tune? Will knock retard hurt the motor? In Cali, the highest pump octane we have is 91 octane.
All testing was done on 93 octane until we added TORCO

Power was 514 with 5 % and Rotofab

On 91 octane I suggest only a 5% over pulley Without a tune

Ted
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Old 11-06-2012, 04:44 PM   #5
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Ted,
I'd like to see the HP Tuners scan with just the 10% overdrive pulley. I'd like to see what the timing advance was at WOT. I have the 8.6 inch ring on order from you guys. I would hate to think it was a waste of money.
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Old 11-06-2012, 04:47 PM   #6
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Quote:
Originally Posted by JANNETTYRACING View Post
All testing was done on 93 octane until we added TORCO

Power was 514 with 5 % and Rotofab

On 91 octane I suggest only a 5% over pulley Without a tune

Ted
Hi Ted,

So can we do the 10% on 93 octane with the CAI without throwing a code and what would be the gain from baseline?

Thanks,

Ron
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Old 11-06-2012, 04:52 PM   #7
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Looking at the other tread, 510hp with the 10%.

Looks like it would be best to do one part or the other at this point.
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Old 11-06-2012, 04:55 PM   #8
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Quote:
Originally Posted by JANNETTYRACING View Post
All testing was done on 93 octane until we added TORCO

Power was 514 with 5 % and Rotofab

On 91 octane I suggest only a 5% over pulley Without a tune

Ted
I will buy a 5 gallon bucket of TORCO not a problem.

- I am assuming knock retard is when the motor automatically pulls timing due to detonation? If the motor automatically compensates for the knock, then do we have to worry about anything?

- So what you are saying is we can install the 10% OD pulley and the CAI, run 97 octane (via TORCO additive) and get about an 80rwhp increase over base WITHOUT a tune and WITHOUT hurting the motor?
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Old 11-06-2012, 05:55 PM   #9
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Ted,

Thank you very much for taking the time to test, it is very appreciated.
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Old 11-06-2012, 06:12 PM   #10
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So with 92 I'm better off with a 5% pulley and te roto fab intake. 10% would start pulling timing due to knock retard?
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Old 11-06-2012, 07:57 PM   #11
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Quote:
Originally Posted by rpepka View Post
Ted,

Thank you very much for taking the time to test, it is very appreciated.



Ted, I will be calling you in the morning. The CF option is not on your web site yet.
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Old 11-06-2012, 08:15 PM   #12
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Quote:
Originally Posted by JANNETTYRACING View Post
All testing was done on 93 octane until we added TORCO

Power was 514 with 5 % and Rotofab

On 91 octane I suggest only a 5% over pulley Without a tune

Ted

93 octane with ethanol, or 93 octane w/o ethanol?
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Old 11-06-2012, 08:39 PM   #13
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Would meth injection help with this problem?
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Old 11-06-2012, 09:25 PM   #14
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I'd imagine that going to a larger cam would allow more fuel to be used for cooling. I wonder if going to a larger cam with increased overlap and slightly decreased LSA will give you a little more room to put some timing back in it before knocking??
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Old 11-06-2012, 09:31 PM   #15
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I'd imagine that going to a larger cam would allow more fuel to be used for cooling. I wonder if going to a larger cam with increased overlap and slightly decrease LSA will give you a little more room to put some timing back in it??
If your going this far, your voiding your warranty anyway so a tune would be the best way.

IMO, sounds like the IAT2 temps might be a culprit. What were they during the runs?
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Old 11-07-2012, 03:54 AM   #16
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Could this test be repeated with 91-93 octane and appropriate tunes for each combo?
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Old 11-07-2012, 06:59 AM   #17
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Quote:
Originally Posted by 69NMYSS View Post
I will buy a 5 gallon bucket of TORCO not a problem.

- I am assuming knock retard is when the motor automatically pulls timing due to detonation? If the motor automatically compensates for the knock, then do we have to worry about anything?

- So what you are saying is we can install the 10% OD pulley and the CAI, run 97 octane (via TORCO additive) and get about an 80rwhp increase over base WITHOUT a tune and WITHOUT hurting the motor?
Correct 75 RWHP
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Old 11-07-2012, 07:01 AM   #18
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Quote:
Originally Posted by Azzkker View Post
If your going this far, your voiding your warranty anyway so a tune would be the best way.

IMO, sounds like the IAT2 temps might be a culprit. What were they during the runs?
IAT 2 Temps were very good and recovery is very good, best I have seen vs all the aftermarket superchargers.

Ted.
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Old 11-07-2012, 09:45 AM   #19
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Quote:
Originally Posted by rpepka View Post
Hi Ted,

So can we do the 10% on 93 octane with the CAI without throwing a code and what would be the gain from baseline?

Thanks,

Ron

Looking at the other tread, 510hp with the 10%.

Looks like it would be best to do one part or the other at this point.

Ted,

Thank you very much for taking the time to test, it is very appreciated.
Your Welcome,

No codes are set but knock retard is too severe with both the 10% and the CAI so either 100 octane unleaded or Torco Race Gas Concentrate should be run with this combo to see the results I did SAFELY.

You are correct on 93 one or the other is fine.

Quote:
Originally Posted by ace32x View Post
So with 92 I'm better off with a 5% pulley and te roto fab intake. 10% would start pulling timing due to knock retard?
The 5% and Rotofab worked well on 93, 92 octane may not be sufficient so a little Torco added for the days when your using the power would be advised.

Quote:
Originally Posted by FSTORG5 View Post


Ted, I will be calling you in the morning. The CF option is not on your web site yet.
Thank You I Really appreciate that, it cost me a lot of money to run these tests so if everyone buys they're Rotofab from JRE it Really Helps offset the cost of doing the testing.

Quote:
Originally Posted by BSR-1 View Post
Would meth injection help with this problem?
Not without a tune since it will make the car rich.

Quote:
Originally Posted by JMAC2011 View Post
I'd imagine that going to a larger cam would allow more fuel to be used for cooling. I wonder if going to a larger cam with increased overlap and slightly decreased LSA will give you a little more room to put some timing back in it before knocking??
Again you would need a tune and this whole thread is about NO TUNE POWER UPGRADES.

Quote:
Originally Posted by Azzkker View Post
If your going this far, your voiding your warranty anyway so a tune would be the best way.

IMO, sounds like the IAT2 temps might be a culprit. What were they during the runs?
Quote:
Originally Posted by DangerZL1 View Post
Could this test be repeated with 91-93 octane and appropriate tunes for each combo?
Again we are searching for no tune power options.

I have no Problem tuning these cars, I just though it would be neat to find out how much GM left on the table for us.

Ted.
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Old 11-07-2012, 09:58 AM   #20
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It seems to me that tuning should be considered if you're going to add more than a CB or CAI. I am thinking this because it's not like IF the car were to have a problem, and it's taken to the dealer, that they're not going to notice marks on the upper pulley shaft, or that it is a smaller-than-stock diameter; nor are they likely not not notice either wrench marks on the crank balancer pulley fasteners or a larger pulley. They're going to see these clues and if the claim is drivetrain related, they will probably come to the conclusion there were modifications. I think the conclusion I'm drawing is that you might be able to get a good 30-50-horse' out of the car without tuning or major bolt-ons that a dealer will have a problem with, but that might be about it - safely...

Thanks, Ted, for the outstanding testing and attention to detail. Mucho KUDOS We haven't heard of many problems with mod'd cars, so it seems to me it's up to us to find qualified and experienced tuners, like Jannetti, and take our cars there
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Old 11-07-2012, 10:20 AM   #21
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Quote:
Originally Posted by JANNETTYRACING View Post
Your Welcome,

No codes are set but knock retard is too severe with both the 10% and the CAI so either 100 octane unleaded or Torco Race Gas Concentrate should be run with this combo to see the results I did SAFELY.

You are correct on 93 one or the other is fine.



The 5% and Rotofab worked well on 93, 92 octane may not be sufficient so a little Torco added for the days when your using the power would be advised.



Thank You I Really appreciate that, it cost me a lot of money to run these tests so if everyone buys they're Rotofab from JRE it Really Helps offset the cost of doing the testing.



Not without a tune since it will make the car rich.



Again you would need a tune and this whole thread is about NO TUNE POWER UPGRADES.





Again we are searching for no tune power options.

I have no Problem tuning these cars, I just though it would be neat to find out how much GM left on the table for us.

Ted.
Appreciate the response and your time an money into this r n d. I will b ordering the 5% pulley and roto fab intake ere in the next week or so
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Old 11-07-2012, 10:23 AM   #22
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They are now up on the site in case anyone was wondering.

ZL1 Roto-Fab Carbon
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Old 11-07-2012, 12:13 PM   #23
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Nick

Thanks for the great service this morning on my order! JRE's service and testing information is why I continue to buy from you.
email me a tracking number when you get one.

Thanks again!

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Old 11-07-2012, 12:25 PM   #24
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Quote:
Originally Posted by radz28 View Post
It seems to me that tuning should be considered if you're going to add more than a CB or CAI. I am thinking this because it's not like IF the car were to have a problem, and it's taken to the dealer, that they're not going to notice marks on the upper pulley shaft, or that it is a smaller-than-stock diameter; nor are they likely not not notice either wrench marks on the crank balancer pulley fasteners or a larger pulley. They're going to see these clues and if the claim is drivetrain related, they will probably come to the conclusion there were modifications. I think the conclusion I'm drawing is that you might be able to get a good 30-50-horse' out of the car without tuning or major bolt-ons that a dealer will have a problem with, but that might be about it - safely...

Thanks, Ted, for the outstanding testing and attention to detail. Mucho KUDOS We haven't heard of many problems with mod'd cars, so it seems to me it's up to us to find qualified and experienced tuners, like Jannetti, and take our cars there
I agree but that puts This topic Off topic.

The goal is What can we do without Tuning, 75 RWHP is Pretty Damn Impressive.

Thank you sir.

Ted.
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Old 11-07-2012, 01:27 PM   #25
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So, if I typically run 93 octane my best option is to go with a 5% pulley and a CAI? Would I only need the Torco on track days?

The Rotofab looks nice and obviously has great performance, but I am still waiting to see what CAI, Inc comes out with!
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