How much HP do you think all of this is worth?
Loudmouth 25
Y-pipe 10
no Cats 5
BBK 80 mm TB 15
MAF ends 5
Lid and K&N 15
Bellows 5
That adds up to a total of 80 hp <img border="0" title="" alt="[Eek!]" src="gr_eek2.gif" /> ....that seams high for just bolt on stuff......add that to the "under rated" 310 stock for 01 Z28s and I "would" have 390 hp.
Any care to help me with a guess on what I'm probubly at? I'm going to be getting it dynoed in another week but am really wondering.
Thanks
Chris
<strong>Here are the things I have done thus far and the "advertised" rating:
Loudmouth 25
Y-pipe 10
no Cats 5
BBK 80 mm TB 15
MAF ends 5
Lid and K&N 15
Bellows 5
That adds up to a total of 80 hp <img border="0" title="" alt="[Eek!]" src="gr_eek2.gif" /> ....that seams high for just bolt on stuff......add that to the "under rated" 310 stock for 01 Z28s and I "would" have 390 hp.
Any care to help me with a guess on what I'm probubly at? I'm going to be getting it dynoed in another week but am really wondering.
Thanks
Chris</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">I had a friend with an 01' WS6 with just a lid and Borla put down 333rwhp, thats about 378lfywheel hp.
Most stock 98-00 M6's put down 300rwhp, and the 01-02 M6's put down 310rwhp.
Loudmouth 25 = maybe
Y-pipe 10 = don't waste you money, get headers
no Cats 5 = maybe
BBK 80 mm TB 15 = don't waste your money again, get yours ported and polished for $99
MAF ends 5 = maybe, and you might get some pinging
Lid and K&N 15 = sounds right
Bellows 5 = maybe
Pretty much with all the bolt-on's (headers, and pulley that is not listed) you'll be around 350rwhp with an M6. Thats about 397flywheel hp.
Peace,
Craig.
Off road Y, 10rwhp
BBK, 5rwhp
MAF ends, 5rwhp
Lid,K&N,Bellows, 12rwhp
This is more like it. <img border="0" alt="[Burnout]" title="" src="graemlins/burnout.gif" />
<strong>Cat back, 10rwhp
Off road Y, 10rwhp
BBK, 5rwhp
MAF ends, 5rwhp
Lid,K&N,Bellows, 12rwhp
This is more like it. <img border="0" alt="[Burnout]" title="" src="graemlins/burnout.gif" /> </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Ya, that's about right. Bellows won't give you crap. just look's better.
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I was one of the lucky ones that got 9 rwhp <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
Why do people rag on the BBK so much? <img border="0" alt="[fight]" title="" src="graemlins/gr_punch.gif" /> I really felt a BIG power increase with it. It is a quality piece (EXSPENSIVE!!!!!!!!!!!!) and the housing is actually larger than stock (80mm vs. the stock 75mm). Ported TBs are nice (smooth) but a smooth 80mm is going to flow more than a smooth 75mm.....larger area = more CFM. It is also really nicely built…..the butterfly is a heavy brass plate and the shaft is machined to decrease air resistance going over the butterfly. The fit was perfect and the bragging rights from the engraved “80 mm” is quite nice unto itself. <img border="0" title="" alt="[Cool]" src="gr_images/icons/cool.gif" />
<small>[ September 11, 2002, 10:22 PM: Message edited by: 2001CamaroGuy ]</small>
<strong>(NOT the BBK, I would expect none from it)
Why do people rag on the BBK so much? <img border="0" alt="[fight]" title="" src="graemlins/gr_punch.gif" /> I really felt a BIG power increase with it. It is a quality piece (EXSPENSIVE!!!!!!!!!!!!) and the housing is actually larger than stock (80mm vs. the stock 75mm). Ported TBs are nice (smooth) but a smooth 80mm is going to flow more than a smooth 75mm.....larger area = more CFM. It is also really nicely built…..the butterfly is a heavy brass plate and the shaft is machined to decrease air resistance going over the butterfly. The fit was perfect and the bragging rights from the engraved “80 mm” is quite nice unto itself. <img border="0" title="" alt="[Cool]" src="gr_images/icons/cool.gif" /> </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">It is very expensive (NOTE: overpriced!), but unless they have changed, most of them are crap. I actually think that you are the first person that I have ever heard of that is happy with their BBK on a stock displacement motor. I do not believe for a minute that a BBK will make more power on a stock internal motor, or even a mild H/C setup, because the intake inlet is the same size and either TB will give the engine all the air it can handle. I think that a good chunk of the gain given by a ported TB is from reducing the turbulence of the air, not from allowing significantly more air in. These are just my thoughts, though.
First time I drove it (swapped out stock TB for BBK) it screamed. I picked up my friend and he asked “did you change something? It seems to pull stronger…” <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />
"the intake inlet is the same size"
That gave me the "whistle" problem I had <img border="0" title="" alt="[Sad]" src="gr_sad.gif" /> .....but I went in and just smoothed the edge of the intake and it went away. One of these days I would like to take the intake off completely and port that area out to 80 mms.
"I think that a good chunk of the gain given by a ported TB is from reducing the turbulence of the air"
That is very possible....I had never thought about that before <img border="0" title="" alt="[Confused]" src="images/icons/confused.gif" />
Thanks....anymore input? <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />
<small>[ September 11, 2002, 10:52 PM: Message edited by: 2001CamaroGuy ]</small>
<strong>ASP underrdive pulleys give some 0 and give some 10.
I was one of the lucky ones that got 9 rwhp <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" /> </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">But it seems to give 99% of the people about a tenth anyway.
Remember, that you can't just add up the numbers you would get by doing the mods by themselves. Say, you would get 8 from a lid and 7 from MAF ends and maybe 4-5 from a good ported throttle body (NOT the BBK, I would expect none from it), that doesn't mean you will get 20 hp if you do them all at once. My rule, is to take the advertised HP rating and multiply it by 2/3, that is a more realistic gain.
<strong>throw away all your Y pipes, and Go X pipe..i just got my 3' x pipe on and 2 12' bullets..I love it..and deffinantly noticed a difference,</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">I can't wait till I have the money to do that. I will either do MACs or Hooker LTs with an x pipe and bullets....only thing holding me back is the $$$.. <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />




