stock 5.0 what simple modds to start with

91convlx · July 4th, 2010, 04:22 AM

got a 91 lx convertible aod tranny with 90000 miles i am the 3rd owner... What would be the best starting bolts ons. I am new to the 5.0 thanks in advance and the car is bone stock

StangBanger302 · July 4th, 2010, 11:23 AM

well 4.10 gears are a great place to start. An h-pipe is also good to add being that the stock catted exhaust is very restrictive. Not much performance in mufflers really, but you'll get that sound that you want.

horsepowerjunkie · July 4th, 2010, 11:57 AM

A couple free-be mods to do are set your timing to 12 degrees advance and remove the air silencer thats in the inner fender right behind the air box. Next I would say gears would make a big difference, and a stall converter makes a big difference in an AOD car.

ReverendDexter · July 4th, 2010, 12:10 PM

Subframe connectors are the very first thing I'd do (and did, with mine). Foxes are pretty flexy, and with the roof cut off it only gets worse.

I'm not convinced pulling the air silencer actually gets you any gains, it's not restrictive at all, and allows the airbox to pull cold air from inside the fender rather than warm air from inside the engine bay.

Are you planning on keeping the auto or swapping to a stick? If you're keeping the automatic, I'd get a deeper tranny pan plumn in an aftermarket tranny cooler.

JBIGBOOTSY · July 4th, 2010, 12:17 PM

Originally Posted by ReverendDexter

Subframe connectors are the very first thing I'd do (and did, with mine). Foxes are pretty flexy, and with the roof cut off it only gets worse.

I'm not convinced pulling the air silencer actually gets you any gains, it's not restrictive at all, and allows the airbox to pull cold air from inside the fender rather than warm air from inside the engine bay.

Are you planning on keeping the auto or swapping to a stick? If you're keeping the automatic, I'd get a deeper tranny pan plumn in an aftermarket tranny cooler.

The air silencer is not the air box, it is inside the fender.

ReverendDexter · July 4th, 2010, 12:20 PM

Originally Posted by JBIGBOOTSY

The air silencer is not the air box, it is inside the fender.

Yeah, it's the rubber snorkel that attaches to the bottom/side of the air box and goes into the fender, right? That's what I've always called the silencer.

JBIGBOOTSY · July 4th, 2010, 12:23 PM

http://image.musclemustangfastfords...._upgrades+.jpg

IDK, its the thing on the left.

THe opening on the air box, is larger than the opening on the silencer, and they pull air from the same place, as long as the airbox is still in place.

JBIGBOOTSY · July 4th, 2010, 12:25 PM

THere is a 100 cfm difference

ReverendDexter · July 4th, 2010, 12:29 PM

Originally Posted by JBIGBOOTSY

THere is a 100 cfm difference

100 cfm difference? According to what? And what are the two numbers? If we're talking 1100 vs 1000 cfm, 100's not very relevant, especially when you consider that the stock heads aren't gonna flow anywhere near there.

EDIT:

Huh... according to the myth destroying sticky, you're absolutely right:

Reps to you, man.

JBIGBOOTSY · July 4th, 2010, 12:30 PM

447 to 551, thru the box and intake tube.

ReverendDexter · July 4th, 2010, 12:34 PM

Well, I know one little air silencer that's getting yanked when I get home from work.

JBIGBOOTSY · July 4th, 2010, 12:37 PM

lol I thought I was right, I havent taken one off in over a decade, and I was starting to second guess my memory...

JBIGBOOTSY · July 4th, 2010, 12:38 PM

Originally Posted by ReverendDexter

Well, I know one little air silencer that's getting yanked when I get home from work.

If I remember right its a PITB. I think you can get it out with out taking the fender liner out tho.

ReverendDexter · July 4th, 2010, 12:48 PM

My passenger side fender liner was gone when I got the car, so no biggie there.

91convlx · July 5th, 2010, 05:40 AM

one question thiss car is also my daily driver. So what gears would save more gas the 4.10 or the 3.73?

MOTOIMPAIRED · July 5th, 2010, 05:49 AM

ReverendDexter · July 5th, 2010, 09:28 AM

Originally Posted by 91convlx

one question thiss car is also my daily driver. So what gears would save more gas the 4.10 or the 3.73?

Well, 3.73s will have you turning less rpm to go the same speed in the same gear. This will get you better highway economy, but it's arguable which is better around town, because the lower gears can let you run in a higher gear at lower rpm and not lug the motor. There's a lot of people that have noticed better city economy when going from their stock gears to either of the above.

If you want more info, do a search. There's probably 100 threads on "3.73s vs 4.10s", and there's not a definitive answer.

flyin ryan · July 5th, 2010, 11:11 AM

subframe connectors should be your first mod.. even a stock powered vert can and will twist the frame. You'll feel a difference in the ride and stiffness after the subframe install.

95StangMX · July 5th, 2010, 12:56 PM

Yeah definately I would get subframes on that car before you twist it up. Especially since its a vert. Bad enough with a hard top.

ddarkslayer · July 5th, 2010, 02:57 PM

I wish I did subframes first

July 4th, 2010, 04:22 AM	#1
91convlx Newbie 91 lx convertible Join Date: Jul 2010 Location: watts Posts: 17 iTrader: 0 reviews	stock 5.0 what simple modds to start with got a 91 lx convertible aod tranny with 90000 miles i am the 3rd owner... What would be the best starting bolts ons. I am new to the 5.0 thanks in advance and the car is bone stock

July 4th, 2010, 11:23 AM	#2
StangBanger302 Hardcore Enthusiast 1992 Mustang LX 13.0 @ 105 Join Date: Jun 2010 Location: New York Posts: 2,230 iTrader: 0 reviews	well 4.10 gears are a great place to start. An h-pipe is also good to add being that the stock catted exhaust is very restrictive. Not much performance in mufflers really, but you'll get that sound that you want. __________________ As I lay rubber down the street I pray for traction I can keep But if I spin, and begin to slide Please dear God, protect my ride

July 4th, 2010, 11:57 AM	#3
horsepowerjunkie Hardcore Enthusiast 1989 Black LX---Turbo Join Date: Jun 2010 Location: just outside Minot, ND Posts: 1,153 iTrader: 0 reviews	A couple free-be mods to do are set your timing to 12 degrees advance and remove the air silencer thats in the inner fender right behind the air box. Next I would say gears would make a big difference, and a stall converter makes a big difference in an AOD car. __________________ 89 LX Black, Boss 331, C4,T76BB, FAST EFI 82 Capri RS,89 5.0 HO,Comp XE266,TW 170,T5,etc. 73 Dart Sport 340, 410ci Bracket Brawler 72 Demon 340 4-speed 1 of 1667 01 Ram Quad Cab 03 Grizzley 660

July 4th, 2010, 12:10 PM	#4
ReverendDexter Priest of the Car Gods Clapped-out '90 GT 'vert ~5.5 seconds off TTOD :( Join Date: Jan 2007 Location: Rohnert Park, CA Posts: 13,808 iTrader: 0 reviews	Subframe connectors are the very first thing I'd do (and did, with mine). Foxes are pretty flexy, and with the roof cut off it only gets worse. I'm not convinced pulling the air silencer actually gets you any gains, it's not restrictive at all, and allows the airbox to pull cold air from inside the fender rather than warm air from inside the engine bay. Are you planning on keeping the auto or swapping to a stick? If you're keeping the automatic, I'd get a deeper tranny pan plumn in an aftermarket tranny cooler. __________________ O o /¯/______________________ \|BLAAAAAAAAAAAAAAAAAAAAAAAAARGH!!! \_\

July 4th, 2010, 12:23 PM	#7
JBIGBOOTSY MM Fanatic 1990 LX hatch Join Date: Aug 2006 Location: Hobart Indiana Posts: 4,391 iTrader: 0 reviews	http://image.musclemustangfastfords...._upgrades+.jpg IDK, its the thing on the left. THe opening on the air box, is larger than the opening on the silencer, and they pull air from the same place, as long as the airbox is still in place. __________________ Bolt-on Abraham Lincoln Log motor. With extra wiring.

July 4th, 2010, 12:25 PM	#8
JBIGBOOTSY MM Fanatic 1990 LX hatch Join Date: Aug 2006 Location: Hobart Indiana Posts: 4,391 iTrader: 0 reviews	THere is a 100 cfm difference __________________ Bolt-on Abraham Lincoln Log motor. With extra wiring.

July 4th, 2010, 12:30 PM	#10
JBIGBOOTSY MM Fanatic 1990 LX hatch Join Date: Aug 2006 Location: Hobart Indiana Posts: 4,391 iTrader: 0 reviews	447 to 551, thru the box and intake tube. __________________ Bolt-on Abraham Lincoln Log motor. With extra wiring.

July 4th, 2010, 12:34 PM	#11
ReverendDexter Priest of the Car Gods Clapped-out '90 GT 'vert ~5.5 seconds off TTOD :( Join Date: Jan 2007 Location: Rohnert Park, CA Posts: 13,808 iTrader: 0 reviews	Well, I know one little air silencer that's getting yanked when I get home from work. __________________ O o /¯/______________________ \|BLAAAAAAAAAAAAAAAAAAAAAAAAARGH!!! \_\

July 4th, 2010, 12:37 PM	#12
JBIGBOOTSY MM Fanatic 1990 LX hatch Join Date: Aug 2006 Location: Hobart Indiana Posts: 4,391 iTrader: 0 reviews	lol I thought I was right, I havent taken one off in over a decade, and I was starting to second guess my memory... __________________ Bolt-on Abraham Lincoln Log motor. With extra wiring.

July 4th, 2010, 12:48 PM	#14
ReverendDexter Priest of the Car Gods Clapped-out '90 GT 'vert ~5.5 seconds off TTOD :( Join Date: Jan 2007 Location: Rohnert Park, CA Posts: 13,808 iTrader: 0 reviews	My passenger side fender liner was gone when I got the car, so no biggie there. __________________ O o /¯/______________________ \|BLAAAAAAAAAAAAAAAAAAAAAAAAARGH!!! \_\

July 5th, 2010, 05:40 AM	#15
91convlx Newbie 91 lx convertible Join Date: Jul 2010 Location: watts Posts: 17 iTrader: 0 reviews	one question thiss car is also my daily driver. So what gears would save more gas the 4.10 or the 3.73?

July 5th, 2010, 05:49 AM	#16
MOTOIMPAIRED Regular 1990 LX Coupe Join Date: Apr 2008 Location: Orlando FL Posts: 343 iTrader: 0 reviews

July 5th, 2010, 11:11 AM	#18
flyin ryan Banned Join Date: Jun 2008 Posts: 3,387 iTrader: 0 reviews	subframe connectors should be your first mod.. even a stock powered vert can and will twist the frame. You'll feel a difference in the ride and stiffness after the subframe install.

July 5th, 2010, 12:56 PM	#19
95StangMX MM Fanatic 95 Mustang GT depends how many people are pushing Join Date: Oct 2007 Location: Playa del Carmen, Mexico Posts: 3,243 iTrader: 0 reviews	Yeah definately I would get subframes on that car before you twist it up. Especially since its a vert. Bad enough with a hard top. __________________ People should think about boarding up their glass house before starting a rock fight!

July 5th, 2010, 02:57 PM	#20
ddarkslayer Hardcore Enthusiast 1988 Mustang 5.0 LX 12.48@118.27 Join Date: May 2009 Location: Folsom, CA Posts: 1,446 iTrader: 0 reviews	I wish I did subframes first

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