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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 02-26-2013, 02:44 PM   #1
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Modern Muscle (Va.) ported TB tested on dyno

Just wanted to give out some great news. I base lined my Magnacharged 10 Camaro SS, then installed a Modern Muscle (Va.) ported throttle body. The gains speak for themselves...just check out the graph below. The throttle response is sooooo much better/quicker than with the stock throttle body.

Just so everyone knows, we did NO tuning before or after the install. We tried to keep everything the same temp wise. The car baselined a little lower than the last time it was on the dyno, which doesn't really matter as far as what the gains from the TB were. The highest number the car ever made was 595rwhp with everything optimized...perfect weather, car cooled down completely, etc, etc.

Due to time constraints, we put the car on the dyno "hot" made a pull for the base line, swapped the TB (3 minutes) and made another couple of pulls.
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Old 02-26-2013, 04:44 PM   #2
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So, what I take from this is the more modified or better breathing the car is the more effective a ported throttle body becomes. 25hp is quite an improvement.
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Old 02-26-2013, 04:48 PM   #3
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Old 02-26-2013, 04:49 PM   #4
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So, what I take from this is the more modified or better breathing the car is the more effective a ported throttle body becomes. 25hp is quite an improvement.
You will never see anything close to 25 rwhp on a N/A car.


Is the ported tb the same size as the stock one? Only ported?
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Old 02-26-2013, 04:51 PM   #5
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Originally Posted by R8cerX View Post
Just wanted to give out some great news. I base lined my Magnacharged 10 Camaro SS, then installed a Modern Muscle (Va.) ported throttle body. The gains speak for themselves...just check out the graph below. The throttle response is sooooo much better/quicker than with the stock throttle body.

Just so everyone knows, we did NO tuning before or after the install. We tried to keep everything the same temp wise. The car baselined a little lower than the last time it was on the dyno, which doesn't really matter as far as what the gains from the TB were. The highest number the car ever made was 595rwhp with everything optimized...perfect weather, car cooled down completely, etc, etc.

Due to time constraints, we put the car on the dyno "hot" made a pull for the base line, swapped the TB (3 minutes) and made another couple of pulls.


LS3 car?

How many psi?

Any other mods?
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Old 02-26-2013, 04:54 PM   #6
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I dunno lethal swears that a ported intake and tb work very well in conjunction with other mods.

On other cars ported tbs and mafs gave good upgrades.

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Old 02-26-2013, 04:57 PM   #7
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I dunno lethal swears that a ported intake and tb work very well in conjunction with other mods.

On other cars ported tbs and mafs gave good upgrades.

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It's debatable what gains you'll get on a n/a. Some will say none and the others will say 5-10. No more than that. A ported tb is more about throttle response. A pd blower car is different but it needs to be bigger. Just ported a tb on a pd blower car and gaining 25rwhp is suspect. I gained 25 rwhp with a 102mm tb. Much larger than a ported stocker.
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Old 02-26-2013, 06:28 PM   #8
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Well any restriction you can remove in front of a positive displacement supercharger will show gains and even some boost increase. IDK about 35lbs of torque and 25RWHP though. That seems like alot for a 90mm TB.
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Old 02-26-2013, 06:37 PM   #9
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Well any restriction you can remove in front of a positive displacement supercharger will show gains and even some boost increase. IDK about 35lbs of torque and 25RWHP though. That seems like alot for a 90mm TB.

That's what I'm thinking........
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Old 02-26-2013, 07:35 PM   #10
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looking at the dips on the graph, that car has some serious tune/kr issues.
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Old 02-26-2013, 07:43 PM   #11
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Originally Posted by VADER SS L99 View Post
Well any restriction you can remove in front of a positive displacement supercharger will show gains and even some boost increase. IDK about 35lbs of torque and 25RWHP though. That seems like alot for a 90mm TB.
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That's what I'm thinking........
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looking at the dips on the graph, that car has some serious tune/kr issues.
I agree to all, this is the second time they've posted a suspect dyno graph.
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Old 02-26-2013, 08:43 PM   #12
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Hi guys this is Dave Weber from Modern Muscle. The TB results are what we get back from customers and that is all. The post made of the NA dyno run also shows a fair amount of torque increase and the peak number was in line with what you would expect (10-13 peak). All I can say is NA was tested in Germany and boosted in Virginia Beach. The one in Virginia Beach was already a second design. We have been porting heads for about 30 years and throttle bodies for about 7 years. This is our first attempt at the GM line. We do try to listen to all customer input and continuously improve our product. We will keep posting as we get feedback.
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Old 02-26-2013, 08:55 PM   #13
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I agree to all, this is the second time they've posted a suspect dyno graph.

Where's Bo White when you need him? Does he have a beacon or something like Batman that'll draw him to this thread?
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Old 02-26-2013, 09:37 PM   #14
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Hi guys this is Dave Weber from Modern Muscle. The TB results are what we get back from customers and that is all. The post made of the NA dyno run also shows a fair amount of torque increase and the peak number was in line with what you would expect (10-13 peak). All I can say is NA was tested in Germany and boosted in Virginia Beach. The one in Virginia Beach was already a second design. We have been porting heads for about 30 years and throttle bodies for about 7 years. This is our first attempt at the GM line. We do try to listen to all customer input and continuously improve our product. We will keep posting as we get feedback.
From a business perspective one would think if a company trying to break into the GM line like you said, would take it upon themselves to provide the most data and several tests (Dyno, Track) before the outrageous claims of one car. Seriously, I understand your in the business to make money but to enter the C5 forum with far fetched claims especially the NA car a month ago or so really turns people off. You have been in business and porting heads for thirty years, maybe it's just me but I would have expected more out of an introduction rather than going off what a customer claims on his own.. Facts and data speaks volumes. So on a side note all the NA guys should be able to put a 102TB on their cars and expect more than what you claim. Pretty sure the 102 doenst do much for a NA car and for sure not nearly as much on a stock car. In the end your first claim was dynoed at an "Independent shop" with a gain of 13hp and 17tq. Its a safe assumption that a 102 would make atleast 20 right? If that was the case there would be a lot more of them out there no matter how much they were. So, now that I'm done ranting and raving in the end all the camaro owners or who ever for that matter will spend their money on the go fast fix, but when it seems unrealistic the red flag goes up and they wont buy. I get it, there is an ass for every seat and some will bite for the sales claim but most will probably say
I said to much as it is, much luck in your quest. Sorry if I offended anyone, it's been one of those days.........
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Old 02-26-2013, 09:51 PM   #15
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I guess you cant win for anything with you guys, If we posted our own dyno you would say it was suspect. So then we let to other respected shops do there own test and you say the same thing? As with any other bolt on mod every little bit helps Ported TBs fall in the same category as CAI's and catbacks, 10hp here hp there adds up.
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Old 02-26-2013, 09:56 PM   #16
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I guess you cant win for anything with you guys, If we posted our own dyno you would say it was suspect. So then we let to other respected shops do there own test and you say the same thing? As with any other bolt on mod every little bit helps Ported TBs fall in the same category as CAI's and catbacks, 10hp here hp there adds up.
Exactly. 10 HP is believable and is what most people go with. Not 25.
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Old 02-26-2013, 10:00 PM   #17
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Originally Posted by R8cerX View Post
Just wanted to give out some great news. I base lined my Magnacharged 10 Camaro SS, then installed a Modern Muscle (Va.) ported throttle body. The gains speak for themselves...just check out the graph below. The throttle response is sooooo much better/quicker than with the stock throttle body.

Just so everyone knows, we did NO tuning before or after the install. We tried to keep everything the same temp wise. The car baselined a little lower than the last time it was on the dyno, which doesn't really matter as far as what the gains from the TB were. The highest number the car ever made was 595rwhp with everything optimized...perfect weather, car cooled down completely, etc, etc.

Due to time constraints, we put the car on the dyno "hot" made a pull for the base line, swapped the TB (3 minutes) and made another couple of pulls.

According to the OP you guys waited about 3 minutes between pulls but the data on your graph show nearly 50 minutes.....
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Old 02-26-2013, 10:04 PM   #18
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We did not do the test but I would guess Frank may have made pulls at 3 minute intervals for each level of change. I don't think he meant he changed the TB in 3 minutes and made another pull. Maybe he will chime in tomorrow and verify.
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Old 02-26-2013, 10:05 PM   #19
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According to the OP you guys waited about 3 minutes between pulls but the data on your graph show nearly 50 minutes.....
Due to time constraints, we put the car on the dyno "hot" made a pull for the base line, swapped the TB (3 minutes) and made another couple of pulls.
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Old 02-26-2013, 10:10 PM   #20
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Due to time constraints, we put the car on the dyno "hot" made a pull for the base line, swapped the TB (3 minutes) and made another couple of pulls.
Right. And according to the dyno sheet you cooled the car for almost an hour. There's most of your gain right there. Accurate tests are not done under time constraints. You compromise accuracy that way. Send one of your ported tb's to another shop for them to test. If it makes 25, heck even 20 rwhp, you'll be on top of the world.
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Old 02-26-2013, 10:12 PM   #21
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Due to time constraints, we put the car on the dyno "hot" made a pull for the base line, swapped the TB (3 minutes) and made another couple of pulls.
It is hard to read for me but it looks like
10:19 to 11:03

I will ask Frank to clarify tomorrow.
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Old 02-26-2013, 10:14 PM   #22
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Right. And according to the dyno sheet you cooled the car for almost an hour. There's most of your gain right there. Accurate tests are not done under time constraints. You compromise accuracy that way. Send one of your ported tb's to another shop for them to test. If it makes 25, heck even 20 rwhp, you'll be on top of the world.
Its not me and that is not our dyno I am only going by what another customer is telling us.
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Old 02-26-2013, 10:15 PM   #23
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It is hard to read for me but it looks like
10:19 to 11:03

I will ask Frank to clarify tomorrow.
10:19 to 11:03 or 11:08. So in what math is that 3 minutes? The car had time to cool down. Be it 44 minutes or 49.

Where is pull 25? Or pull 27? That one would be closer to the hot pull.
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Old 02-26-2013, 10:16 PM   #24
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Its not me and that is not our dyno I am only going by what another customer is telling us.
Oh ok. That I didn't realize. You guys just port the tb's. Any other data of the ported tb on a gen v car?
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Old 02-26-2013, 10:24 PM   #25
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Oh ok. That I didn't realize. You guys just port the tb's.

All we ask is give the product a chance. We do not misrepresent or alter data just posting what we get back. I expect we will be getting more feedback soon. BS only goes so far and does not make for a lasting relationship with customers. I know there is a crowd that believe bigger is better and that is everywhere GM Mopar etc. Lets just see how the results keep coming back on the product and go from there.

Thanks Dave

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