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85mm MAF & Lids....

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Old Nov 3, 2005 | 01:53 PM
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Default 85mm MAF & Lids....

ok heres what i want...
http://www.texas-speed.com/item_deta...ProductID=1151

specific question #1: do i need a jumper/ adapter thing? if so where do i get one?
specific question #2: will this mess with my tune? or make it difficult to tune?
specific question #3: whats required in converting to speed density? what parts? is there a kit? explain what SD is and how is different/better.
thanks



edit: mods include
Fastech MJ2 Cam*Comp Cams Hardened Push Rods*Isky Racing Valve Springs*Isky Racing Titanium Retainers*Fastech Stage 2 4.8L Heads*2.055/1.60 Ferrera Valves*F.A.S.T. LSX 90mm Intake*F.A.S.T. 90mm Throttle Body*Custom Tuning by Sean Freese*Volant Cold Air Kit*SLP Long Tube Headers*SLP Off-Road Y-Pipe*Dynomax Bullet Muffler*Rear O2 Sims*NOS 5177 Nitrous Kit*CAGS Delete*Moser 12 Bolt Rear End*33 Spline Axles*Eaton Posi Unit*Richmond 4.10 Gears*Polyurethane Sway Bar Mounts*EGR Delete*Taylor 10.4 mm Plug Wires*A.I.R. Delete*RAM Powergrip HD Clutch*LS6 Master Cylinder*LS6 Slave Cylinder*Vented & Slotted Rotors*Hawk Brake Pads

with future plans for a forged small stroker and 200-300 shot DP.

Last edited by STANG KILLA SS 2; Nov 3, 2005 at 02:00 PM.
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Old Nov 3, 2005 | 03:29 PM
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1. Yes, you'll need a 3 to 5-wire adapter. Casper's electronics (online) has them.
2. Yes it will mess with your tune. It can even make it difficult to tune. If you have HPTuner's or EFI Live, though, and a wideband O2 sensor, we can help you tune it perfectly. We have the technology...
3. If you want to go to speed density, you need tuning software. HPTuners or EFI Live Flashscan. Basically, it gets rid of the MAF sensor input. Do a search in the tuning section and start reading. Many different methods, but is generally regarded as the premier tuning solution for the LS1. We can even tune for the MAF sensors these days with the new enhancements available, and not be taking a shot in the dark.
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Old Nov 3, 2005 | 04:45 PM
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great info!
anyone else input would also be greatly appreciated....
tuning section, duh, why didnt i think of that. so no HARDware is required for SD? no parts to buy?
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Old Nov 3, 2005 | 05:20 PM
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Correct...granted, a wideband O2 sensor will make your life much, much better (your car will run great too).
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Old Nov 4, 2005 | 10:29 AM
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and where do i get one?
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Old Nov 4, 2005 | 10:12 PM
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EAD Performance or Dynotune --------------------------------------->

The Innovate Motorsports LC-1 works great with HP Tuners EIO. Makes tuning in SD and breeze.
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Old Nov 4, 2005 | 10:48 PM
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don't spend damn near $300 on a lid. just use a silicone hose and butt the 85mm MAF to your current lid. its almost the same as getting an 85mm lid.That what i did.
With speed density it is my understanding that you have to get it retuned when ever the weather changes (summer, fall, winter, spring). thats why i'm not going speed density.
if you want to make more power get rid of those Spaghetti Long Tubes. Get some Kooks 1 7/8" x 3.5" and some 3.5" duals.
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Old Nov 5, 2005 | 02:39 AM
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I have been through 50* changes in weather (30-80*F) and the ltrims only changed by 2% and I am in speed density. My fueling in much more stable in SD.
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Old Nov 5, 2005 | 05:10 PM
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Originally Posted by SUX2BU
don't spend damn near $300 on a lid. just use a silicone hose and butt the 85mm MAF to your current lid. its almost the same as getting an 85mm lid.That what i did.
With speed density it is my understanding that you have to get it retuned when ever the weather changes (summer, fall, winter, spring). thats why i'm not going speed density.
if you want to make more power get rid of those Spaghetti Long Tubes. Get some Kooks 1 7/8" x 3.5" and some 3.5" duals.
You definitely don't have to retune in speed density when facing different weather conditions. You do need to retune, however, whenever you do any mods that affect the airflow.
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Old Nov 5, 2005 | 07:52 PM
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Stang Killa - Check you PM's.
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Old Nov 8, 2005 | 01:48 PM
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Originally Posted by MeentSS02
You definitely don't have to retune in speed density when facing different weather conditions. You do need to retune, however, whenever you do any mods that affect the airflow.
great info. well i would have it retuned for almost any decent mod anyway.
so what are the advatages? just more flow cause no maf?
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Old Nov 8, 2005 | 02:11 PM
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Originally Posted by STANG KILLA SS 2
great info. well i would have it retuned for almost any decent mod anyway.
so what are the advatages? just more flow cause no maf?
Sorta, but not really. The MAF is accurate only at high RPMs when there is a good amount of air flowing through them. They aren't very accurate when going through throttle transients or when you get into a lumpy cam and you have some reversion effects to deal with (don't know much about them, but basically some air is trying to go back the other way through the MAF, which still registers it as airflow even though it is going the wrong way).

Tuning speed density with a wideband is quick, and it is effective at showing exactly how much air is coming into the engine and going out. The computer doesn't have a whole lotta control over the airflow...it can only really deal with how much fuel to add and when to add the spark. The MAF was calibrated to work with the stock intake and exhaust, and it works quite well under those circumstances. When you start doing mods, this calibration doesn't cut it anymore.

It is basically the most effective way to tune your car quickly, and the throttle response is quite nice as well. It'll just help you squeeze every last bit out of your setup...
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