Planned Mods
Thread Starter
TECH Enthusiast
Joined: Aug 2002
Posts: 521
Likes: 0
From: Los Angeles
Planned Mods I will be taking delivery of my new SS in a couple of weeks. <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" /> It will have the 345hp package. I plan to add CAI, SLP LT headers and cats, and MAFT. How much additional HP will these mods generate in net and rwhp.
I was also wondering if I should add the SLP 85mm MAF or would I be better off leaving the stock MAF on the car. I've heard that adding the 85mm MAF does do much for the 02 SS. <img border="0" title="" alt="[Sad]" src="gr_sad.gif" />
Thanks
<small>[ August 19, 2002, 01:04 AM: Message edited by: SSDude ]</small>
I was also wondering if I should add the SLP 85mm MAF or would I be better off leaving the stock MAF on the car. I've heard that adding the 85mm MAF does do much for the 02 SS. <img border="0" title="" alt="[Sad]" src="gr_sad.gif" />
Thanks
<small>[ August 19, 2002, 01:04 AM: Message edited by: SSDude ]</small>
Teching In
Joined: Aug 2002
Posts: 26
Likes: 0
From: Whippany, NJ
Re: Planned Mods <img border="0" alt="[bullshit]" title="" src="graemlins/gr_bs.gif" /> the stock MAF sensors barely flow enough air to feed ls1's in stock form let along what you plan to do. keep in mind....the art of adding performance to any car is a balance of air being put through the engine versus the air being pushed out of the engine. thus you must rethink your statement and begin doing this --> <img border="0" alt="[Banging Head]" title="" src="graemlins/gr_banghead.gif" /> for even saying something like that about the SLP 85mm MAF. you would be correct that it does nothing for stock engines but since you're modifying your SS you'll need that increased airflow. you can expect about 25-30(modest)hp from your long-tubes and cats, my suggestion is to go with an ORY because late models have no trouble passing without cats. you may be able to squeeze as much as 10-15hp out with the MAFT but you'll need a diagnostic program such as ATAP or PCM COMM to check your changes
TECH Junkie
Joined: Nov 2001
Posts: 3,604
Likes: 0
From: Los Angeles
Re: Planned Mods </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by EXTREME RACING T/A:
<strong>Pontiac Man's right... <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" /> </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Uh..ok. There are 500rwhp cars with stock maf's. And "passing" without cats? Please..there isn't a state in this country that its legal to not have cats so I don't know what he's talking about "passing" unless the testing guy is blind and can't see under the car.
Do the maf later..its a non-issue, do get some nice headers (SLP's are fine but harder to install than others), you will get a lot more power without cats but if staying legal is an issue then don't worry about it and just put some high flow ones on. As for the maft, don't get it and just save up for LS1 edit. 100x more functionality and it has stuff you'll need later down the line.
<strong>Pontiac Man's right... <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" /> </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Uh..ok. There are 500rwhp cars with stock maf's. And "passing" without cats? Please..there isn't a state in this country that its legal to not have cats so I don't know what he's talking about "passing" unless the testing guy is blind and can't see under the car.
Do the maf later..its a non-issue, do get some nice headers (SLP's are fine but harder to install than others), you will get a lot more power without cats but if staying legal is an issue then don't worry about it and just put some high flow ones on. As for the maft, don't get it and just save up for LS1 edit. 100x more functionality and it has stuff you'll need later down the line.
TECH Fanatic
Joined: Aug 2002
Posts: 1,399
Likes: 0
From: katy, tx
Re: Planned Mods dude,
The SLP long tube headers come with a 3" y -pipe. The high flow cats are extra of course, and I recommend their install kit (kind of shitty they make you buy it when the headers cost so much already) because it has the o2 extensions (gotta have em)and the EGR and AIR gaskets and clamps and heat shielding (which you will need where the passenger side headers touch some wire harnesses).
If you do the header install yourself, I recommend getting a helper as they are a bitch to install. I know. <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />
The SLP long tube headers come with a 3" y -pipe. The high flow cats are extra of course, and I recommend their install kit (kind of shitty they make you buy it when the headers cost so much already) because it has the o2 extensions (gotta have em)and the EGR and AIR gaskets and clamps and heat shielding (which you will need where the passenger side headers touch some wire harnesses).
If you do the header install yourself, I recommend getting a helper as they are a bitch to install. I know. <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />
Trending Topics
TECH Resident
Joined: Mar 2002
Posts: 770
Likes: 0
From: WA
Re: Planned Mods Ohh NOOOOOOOOOO!!!! Don't get those crapy SLP headers!! Go with FLP or TTS if you want cats. If you don't want cats. Hookers or Grotyohanns
</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif"> heat shielding (which you will need where the passenger side headers touch some wire harnesses).
</font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Thats extra crappy!!
Check these pics
https://ls1tech.com/ubb/cgi-bin/ulti...;f=24;t=002136
SLP's are spaghetti
I have been over 1/2 second faster with my Grotyohanns! NO ****!!! On average I am 3.5 - 4 tenths faster!
</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif"> heat shielding (which you will need where the passenger side headers touch some wire harnesses).
</font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Thats extra crappy!!
Check these pics
https://ls1tech.com/ubb/cgi-bin/ulti...;f=24;t=002136
SLP's are spaghetti
I have been over 1/2 second faster with my Grotyohanns! NO ****!!! On average I am 3.5 - 4 tenths faster!
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes
Verdad Gallardo
Awesome K5 Blazer Restomod Comes With C7 Corvette Power
Verdad Gallardo
10 Camaros You Should Never Buy
10 LS Engine Myths That Refuse to Die
Verdad Gallardo TECH Fanatic
Joined: Aug 2002
Posts: 1,399
Likes: 0
From: katy, tx
Re: Planned Mods ssdude,
Don't let the opinion of one person be your deciding factor. SLPs are very good headers, just a bit more difficult to install than hookers. I can't say about the others as those are the only two I have installed.
If you read the thread on the argument for straight headers vs tunned headers you will see that there wasn't a unanimous decision, only disagreements and arguing.
Naturally everyone wants to be believe that the product they bought is the absolute best. But I think you will find that all long tubes will benefit your motor even if they do vary a little in performance. I personally don't think the variance between one long tube to the next is enough to argue about. Just don't get shorty headers. <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
Don't let the opinion of one person be your deciding factor. SLPs are very good headers, just a bit more difficult to install than hookers. I can't say about the others as those are the only two I have installed.
If you read the thread on the argument for straight headers vs tunned headers you will see that there wasn't a unanimous decision, only disagreements and arguing.
Naturally everyone wants to be believe that the product they bought is the absolute best. But I think you will find that all long tubes will benefit your motor even if they do vary a little in performance. I personally don't think the variance between one long tube to the next is enough to argue about. Just don't get shorty headers. <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />