Are all lids created equal?
TECH Enthusiast
Joined: Oct 2002
Posts: 739
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From: houston,texas
Re: Are all lids created equal? I think they are all the same....they serve the same purpose....it just depends on which oe you like.....I chose the clear lid from mti because of the cool look....I saw it on a friends and I liked the way it looked!!!....they also have the carbon design....which is a glossier finish and then you have the regular black plastic one....its up to you!!!!!
<img border="0" alt="[hail]" title="" src="graemlins/gr_hail.gif" /> MTI clear lid
<img border="0" alt="[hail]" title="" src="graemlins/gr_hail.gif" /> MTI clear lid
TECH Fanatic
Joined: Nov 2001
Posts: 1,695
Likes: 9
From: Raleigh, NC
Re: Are all lids created equal? Go with SLP. They are on holiday special for 89. and I think they are made of a better grade plastic (more flexible than the MTI (I have had both). But yes they all make the same power.
-NIck
-NIck
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TECH Fanatic
Joined: Mar 2002
Posts: 1,390
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From: Chicago Land
Re: Are all lids created equal? Get which one is cheaper and looks good. If there is any difference then it will only be 1 hp difference and that is made up by how the car reacts to the mod, the driver, and tuning, so just pick the one you like cause its one of the first things people will notice under your hood.
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TECH Regular
Joined: Mar 2002
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Re: Are all lids created equal? I get about 20 degrees higher IAT numbers than it really is outside with my SLP lid. That affects WOT a/f and can affect timing too when it really gets hot. I wonder if all lids do the same.
Joined: Dec 2001
Posts: 12,829
Likes: 30
From: Central Indiana Honors: 4th grade spelling bee contestant
Re: Are all lids created equal? I have the LS1 Motorsports lid....no complaints here! I noticed a big throttle response increase...
TECH Enthusiast
Joined: Jul 2002
Posts: 618
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From: Pensacola, FL
Re: Are all lids created equal? I have an MTI lid and wish that I had paid $10 or so more for another brand after getting it and comparing to others on different cars.
Fit and quality in general are poor IMO. I have had a few problems with getting it to fit properly.
My .02
Dave
Fit and quality in general are poor IMO. I have had a few problems with getting it to fit properly.
My .02
Dave
TECH Senior Member
Joined: Nov 2001
Posts: 9,246
Likes: 3
From: Troy, AL
Re: Are all lids created equal? </font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by pekkaz:
<strong>I get about 20 degrees higher IAT numbers than it really is outside with my SLP lid. That affects WOT a/f and can affect timing too when it really gets hot. I wonder if all lids do the same.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">The stock lid does that too. It doesn't effect WOT O2 readings though (not in my testing at least.) To lessen this effect get a Fast Toys Ram Air kit to go with your lid. You can also control what your PCM reads as your intake air temperature with a simple resistor placed in the harness where it would normally plug into the IAT sensor.
IAT Sensor Resistor values
5k = 78*
4.9k = 71*
4.8k = 64*
4.7k = 57*
4.6k = 50*
As you can see, each tenth makes 7 degrees difference. I believe you want it at least as low as 57 degrees for max timing advance.
My favorite lid is the MTI clear lid. Looks cool when plumbed with nitrous jets. <img border="0" title="" alt="[Cool]" src="gr_images/icons/cool.gif" /> Also looks nice with a K&N or Holley filter underneath.
<small>[ December 06, 2002, 11:28 AM: Message edited by: Colonel ]</small>
<strong>I get about 20 degrees higher IAT numbers than it really is outside with my SLP lid. That affects WOT a/f and can affect timing too when it really gets hot. I wonder if all lids do the same.</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">The stock lid does that too. It doesn't effect WOT O2 readings though (not in my testing at least.) To lessen this effect get a Fast Toys Ram Air kit to go with your lid. You can also control what your PCM reads as your intake air temperature with a simple resistor placed in the harness where it would normally plug into the IAT sensor.
IAT Sensor Resistor values
5k = 78*
4.9k = 71*
4.8k = 64*
4.7k = 57*
4.6k = 50*
As you can see, each tenth makes 7 degrees difference. I believe you want it at least as low as 57 degrees for max timing advance.
My favorite lid is the MTI clear lid. Looks cool when plumbed with nitrous jets. <img border="0" title="" alt="[Cool]" src="gr_images/icons/cool.gif" /> Also looks nice with a K&N or Holley filter underneath.
<small>[ December 06, 2002, 11:28 AM: Message edited by: Colonel ]</small>
Re: Are all lids created equal? What ever lid you get just don't get a Whisper. Mine has been sucking unfilter air for three years. I just determined that it has a design flaw. The fitler does not sit on the sealing surfact in the neck area. This surface is short and the filter falls off. Feels like it fits great too until you look inside the neck with a mirror.
Re: Are all lids created equal? My GMS lid is probably the worst fitting lid that I have ever seen. The quality is second to all. I highly recomend the SLP lid over the Granitelli lid, my friends SLP lid fits A LOT better.