2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Do You HAVE To Put In...

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Old Apr 2, 2002 | 02:30 PM
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Do You HAVE To Put In...

...racing sleeves if I remove the stock auxillary port sleeves, or can I jst remove em?
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Old Apr 2, 2002 | 03:15 PM
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I'll give ya a cookie if you help me!!
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Old Apr 2, 2002 | 03:16 PM
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Tell me again why you want to remove them?

I never got this whole removign the sleeves thing.
you are screwing youself out of low end power!
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Old Apr 2, 2002 | 03:24 PM
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Don't worry about it. I just need some help with my question. Sorry, not tryin to be an ***......
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Old Apr 2, 2002 | 03:35 PM
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Go to the top!!
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Old Apr 2, 2002 | 04:10 PM
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You don't HAAAAA-VE to, but without a sleeve, the direction and velocity of the airflow is compromised. The stock opening has no shape to it - just squared off at the end. The air/fuel basically will run smack-dab into a wall, then have to go straight up into the combustion chamber.

The Pineapple racing sleeves give the air/fuel mixture a nice, smooth ramp to enter the compustion chamber, thereby "placing" the mixture more precisely and at a higher velocity.


Sorry for the non-politically correct analagy, but it is like hopping in a wheelchair and trying to go up or down a flight of stairs. Yeah, it's possible, but not very easy. So just take the access ramp, right??
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Old Apr 2, 2002 | 04:37 PM
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Get the Pineapple racing sleeves if you want to upgrade your aux port system. Ripping them out isn't going to improve top-end much (there are better ways) and you'll lose out big time down low. This is a good system, leave it working properly.
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Old Apr 2, 2002 | 04:45 PM
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^^^^^^^^
What he said!
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Old Apr 3, 2002 | 01:03 AM
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I have broken one of the sleeves. When I was wiring them open, I accidentally broke off the end of the rod that attatches to the actuator, and now, the sleeve is locked closed. I can feel the car choking at high RPM for air. I need a quick fix, and I am kinda broke. I really didn't mind the cut in torque, and the few days the port was open, I really liked the feel.
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Old Apr 3, 2002 | 01:18 AM
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i run mine without sleeves, i dont notice much low end power loss, i chug around at 700-1500rpm in gear a lot, its ok to do, but the pineapple sleeves put in an open position would do MUCH better, but yes it is driveable without them
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Old Apr 3, 2002 | 01:23 AM
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I will just leave them out, till I get this damn ticket taken care of, then get some Pineapple ones. Hey, Agent_D, got a quick how to? Like what do I use to plug the holes on the lower intake?
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Old Apr 3, 2002 | 01:29 AM
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the holes when you remove the actuators??
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Old Apr 3, 2002 | 02:30 AM
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I love Agent_D!!!! Thanks for all the help!!
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Old Apr 3, 2002 | 02:38 AM
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bah... remove em and dont put anything... why spend the money for such a minor small tiny difference?
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Old Apr 3, 2002 | 02:43 AM
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I want your gauges!!!! You sellen those???? Got any for a series 5?
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Old Apr 3, 2002 | 02:46 AM
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If you a good little lad and can send me your gauge cluster i will put them in for you... I used to sell them but stoped about a year ago. I will email you with the different styles I have.
My Email is: projectderek@bellsouth.net
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Old Apr 3, 2002 | 02:47 AM
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yea those gauges are awesome
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Old Apr 3, 2002 | 02:50 AM
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Here is a bigger pic
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Old Apr 3, 2002 | 02:51 AM
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here is a 89-91 cluster
Also I can custom make them to be anything, be any color, say anything, and have any picture.
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Old Apr 3, 2002 | 06:48 AM
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How do they look at night? Still using all the stock lighting?
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Old Apr 3, 2002 | 10:34 AM
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on the 86-88 yes, on the 89-91 no because on the 89-91's there is not enough light that shines through.
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Old Apr 3, 2002 | 10:39 AM
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Do you have any pics of the S4 NA gauges at night?
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Old Apr 3, 2002 | 05:15 PM
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You don't HAAAAA-VE to, but without a sleeve, the direction and velocity of the airflow is compromised. The stock opening has no shape to it - just squared off at the end. The air/fuel basically will run smack-dab into a wall, then have to go straight up into the combustion chamber.

The Pineapple racing sleeves give the air/fuel mixture a nice, smooth ramp to enter the compustion chamber, thereby "placing" the mixture more precisely and at a higher velocity.


Sorry for the non-politically correct analagy, but it is like hopping in a wheelchair and trying to go up or down a flight of stairs. Yeah, it's possible, but not very easy. So just take the access ramp, right??
What you say is correct, if the air was being PUSHED through the sleeve. But it's not. The air is PULLED through the sleeve. The eddy losses of air being PUSHED through an opening is substantial, but not if it is being sucked into the opening. The pineapple sleeves are too much money for not enough gain, IMO.

Monty
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Old Apr 3, 2002 | 06:18 PM
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Originally posted by Mines RX7


What you say is correct, if the air was being PUSHED through the sleeve. But it's not. The air is PULLED through the sleeve. The eddy losses of air being PUSHED through an opening is substantial, but not if it is being sucked into the opening. The pineapple sleeves are too much money for not enough gain, IMO.

Monty
Maybe, maybe not.

It'd be easy to use analagies, theorize and speculate about this, but nothing tells the tale like a before/after dyno sheet.

Which I'm sure we'll be seeing promptly from the source themselves, Pineapple, or someone else.

But think about it. Say you *JUST* get five peak hp from using the Pineapple sleeves vs. yanking the stock sleeves. It only cost ya fifty bux. What other bolt-ons offer that performance/doller value?

These sleeves woudl also pave the way for better flow as more intake/exhaust restrictions are removed, eg. adding cold-air intakes, headers, cat-backs, etc.
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