Bolt On LS1s
Re: Bolt On LS1s

Capn Pete said it best though.
Re: Bolt On LS1s
If a lid doesn't fit properly or has any factory defects it will not gain the same as one that came flawless from TSP or SLP. That too was something that article proved. This could have been the case with your car.
You're really stretching on scientific law
I kept reading over and over that lids gain 7-12 rwhp on stock cars. I read an article that showed this to be true. Then you come along and suddenly everyone else is a liar but you tell the truth

Not in this lifetime
Re: Bolt On LS1s
Do you even understand what that meant? Let me clarify this so you might understand it better.
GM gave us a decent stock tune. What I mean by that is if you take a bone stock LS1 to a dyno and ask a tuning guru to do his stuff you'll gain very little HP. There will be some gain but nothing to write home about. So in other words the stock tune is pretty good for a stock car.
So with this in mind I discredit your argument that the test car in the article would not net similair results to Joe Shmos car with just a catback/cutout. This wasn't a heads cam car with LT's and a spot on dyno tune. As soon as they did three pulls on the stock lid they replaced it with various aftermarket lids. No tuning, just swap the lid and pull three more times. This makes the results accurate.
Nice try though.
GM gave us a decent stock tune. What I mean by that is if you take a bone stock LS1 to a dyno and ask a tuning guru to do his stuff you'll gain very little HP. There will be some gain but nothing to write home about. So in other words the stock tune is pretty good for a stock car.
So with this in mind I discredit your argument that the test car in the article would not net similair results to Joe Shmos car with just a catback/cutout. This wasn't a heads cam car with LT's and a spot on dyno tune. As soon as they did three pulls on the stock lid they replaced it with various aftermarket lids. No tuning, just swap the lid and pull three more times. This makes the results accurate.
Nice try though.
Last edited by darrens99formul; Oct 18, 2006 at 06:45 AM.
Re: Bolt On LS1s
Here is a link to a thread asking how much airlids gain.
http://www.ls1tech.com/forums/showthread.php?t=85823
Lemme quote some of the responses for you,
But they all lie right?
This is one of many threads over the years where people have asked this question and always seem to get the same answer. 7-10 rwhp with some claiming 10-15 rwhp.
Dyno proven, ls1tech approved and it certainly has my endorsement.
Lid = $ well spent.
http://www.ls1tech.com/forums/showthread.php?t=85823
Lemme quote some of the responses for you,
Originally Posted by QUASAR
About 10-20 depending on the lid. Highly reccomend TSP's new lid. Fit is great!
Originally Posted by EdmontonSS
with my ls1 motorsports lid it claimed dyno proven 8-9 rwhp on stock engine... on install instructions
Originally Posted by 93TAWicked1
I just installed a TSP lid in my car last night and I can't believe it but I noticed a bolt on, I mean really noticed it. I'd say it was comparable to headers on my LT1!
Originally Posted by Beuke 23
I got 15.1 rwhp after a back to back dyno. Used stock filter, car had 2,350 miles. The lid's a Whisper.
Aria
Aria
Originally Posted by unit213
Generally speaking you're going to see about 10rwhp which is pretty incredible if you think about it. GM did a horrible job of designing the intake portion of the fbody. I think it was done intentionally so that their beloved 'vettes wouldn't be out done.
Originally Posted by chadtn
I picked up 16rwhp over stock with a lid, cutout, and K&N filter.
Chad
Chad
Originally Posted by bigeller
I'd say 8-10 hp.
Originally Posted by Villain281H
I saw a tenth of second improvement over the stock lid with my direct-flo lid. Derek
This is one of many threads over the years where people have asked this question and always seem to get the same answer. 7-10 rwhp with some claiming 10-15 rwhp.
Dyno proven, ls1tech approved and it certainly has my endorsement.
Lid = $ well spent.
Re: Bolt On LS1s
Do you even understand what that meant? Let me clarify this so you might understand it better.
GM gave us a decent stock tune. What I mean by that is if you take a bone stock LS1 to a dyno and ask a tuning guru to do his stuff you'll gain very little HP. There will be some gain but nothing to write home about. So in other words the stock tune is pretty good for a stock car.
So with this in mind I discredit your argument that the test car in the article would not net similair results to Joe Shmos car with just a catback/cutout. This wasn't a heads cam car with LT's and a spot on dyno tune. As soon as they did three pulls on the stock lid they replaced it with various aftermarket lids. No tuning, just swap the lid and pull three more times. This makes the results accurate.
Nice try though.
GM gave us a decent stock tune. What I mean by that is if you take a bone stock LS1 to a dyno and ask a tuning guru to do his stuff you'll gain very little HP. There will be some gain but nothing to write home about. So in other words the stock tune is pretty good for a stock car.
So with this in mind I discredit your argument that the test car in the article would not net similair results to Joe Shmos car with just a catback/cutout. This wasn't a heads cam car with LT's and a spot on dyno tune. As soon as they did three pulls on the stock lid they replaced it with various aftermarket lids. No tuning, just swap the lid and pull three more times. This makes the results accurate.
Nice try though.
My argument is that on a stock car the gains are nothing to write home about. Once one car does not do it, then to say all cars will is incorrect. Of course now that I think of it, there are many other factors at work, elevation, temperature. And the humidity and heat here in Houston is almost second to none. So yes results may vary accordingly.
As for me not getting it on right, no go. My car goes 11's consistently, was daily driven, and all work performed by yours truly. I can install a lid.
Re: Bolt On LS1s
IMO it does NOT get any more fair then that.
1). The number one answer to how much HP will a lid gain is 7-10. Some will say 5-7, some will say 8-12 but 7-10 seems to be the most popular response.
2). There is a distinct lack of people jumping in the threads to say things like "That's wrong, a lid is good for maybe 3-5 rwhp". This indicates to me that 7-10 is not only a popular answer but the one that people who read it don't disagree with (other then you of course).
My argument is that on a stock car the gains are nothing to write home about. Once one car does not do it, then to say all cars will is incorrect. Of course now that I think of it, there are many other factors at work, elevation, temperature. And the humidity and heat here in Houston is almost second to none. So yes results may vary accordingly.
In all those threads I have never heard anyone claim a lid was good for less then 5 rwhp like you did. Never. So if 100 people, GMHPM & vendors tell me that a lid is good for 7-10 rwhp and 1 or 2 individual people say it's only good for 3-5 who should I believe?
You could have gotten a bad lid. You could have gotten on a bad dyno. Elevation and weather could have played a roll. All I am saying is there are more logical explanations to yours dynoing low then there ever could be for everyone else lying to us for the last 3-5 years.
Re: Bolt On LS1s
Not to fuel a fire or anything, but my car picked up 2 mph and dropped .1 second in the 1/4 mile when my car was brand new, bone stock, and all I did was install the Direct-Flo lid
. But even I question the role that the lid itself played, vs. other factors like track conditions, weather, etc. At that time, my car only ran 14.1 @ 101 STOCK, then 14.0 @ 103. But it was also at a different track
(although the weather was identical both times ... high 80's and extremely humid). But THEN my car started running consistant mid-13's the following year, changing nothing!?
(except mileage on the car).
Ok, back to the regularily scheduled program
.
. But even I question the role that the lid itself played, vs. other factors like track conditions, weather, etc. At that time, my car only ran 14.1 @ 101 STOCK, then 14.0 @ 103. But it was also at a different track
(although the weather was identical both times ... high 80's and extremely humid). But THEN my car started running consistant mid-13's the following year, changing nothing!?
(except mileage on the car).Ok, back to the regularily scheduled program
.
Re: Bolt On LS1s
I dont know what else to say...I think we can arugue this all day, and besides, yall are having too much fun watching us go back and forth
.
For the record, I want to be very clear that Im discussing in here, not just argueing for the sake of it. So no hard feelings ok?
Somehow I still dont think that we are on the exact same page with what we are argueing. But Im having fun. Do you want to keep going Darren?
.For the record, I want to be very clear that Im discussing in here, not just argueing for the sake of it. So no hard feelings ok?
Somehow I still dont think that we are on the exact same page with what we are argueing. But Im having fun. Do you want to keep going Darren?
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