1989 5.0 LX - Mustang Evolution

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Old 07-07-2015, 04:28 AM   #1
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1989 5.0 LX

I picked this 1989 5.0 LX in late April and I figured I'd make a thread to show y'all what I got.
Missing paint in few few areas.
Mod list: 302 CI.
Forged bottom end internals
B303 cam
Gt40 Heads
Gt40 upper & lower intake
Bbk throttle body (70mm)
Bbk egr delete

Adj fuel pressure regulator
Bbk chrome headers
Bbk x pipe
Flowmaster 40's (dumps before rear end)
Phoenix friction stage 2 kevlar clutch
Aluminum driveshaft
Svt wheels/nitto nt555r tires
5 lug conversion
Rear end out of a 05 mustang GT (Trickflow cover)
3.73 gears
Cross drilled/slotted front rotors
Steeda lowering springs
Upr adjustable upper & lower control arms
Upr camber caster plates
Steeda sub frame connectors
4 point roll cage
Battery relocated in trunk with killswitch
Line lock
Brake adjuster (change pressure from front to back)
Pro force performance built T-5 Transmission. Rebuilt @ 51930

Car has just rolled over to 52K original miles.


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Old 07-08-2015, 07:49 PM   #2
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Clean car but was the motor rebuilt cause you have listed a forged bottom end?

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2016 VW GTI 2.0 Turbo

1989 Sonic Blue LX Coupe, 349 ci, TW heads, TFS Track Heat Intake, 75mm Accufab TB, 80mm ProM, 30 lb. inj, TKO, 3.73, 31 spline w/ TruTrac, MAC 1-5/8" LT headers w/ H pipe, Flowmaster, electric fan Moates QH
391 rwhp & 424 rwtq...Mustang Dyno 11.5@122mph
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Old 07-08-2015, 08:12 PM   #3
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Love the color, looks like a nice car!
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Old 07-09-2015, 06:48 AM   #4
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Quote:
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Clean car but was the motor rebuilt cause you have listed a forged bottom end?

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All 87-early 92 cars had forged pistons. Even the 92.5-01 5.0 pushrods with the hyper pistons are plenty strong. The block is the weak link on the 5.0 pushrod which is why I never understand why ppl spend big money on building it up.
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Old 07-09-2015, 04:43 PM   #5
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Looks like a nice ride,especially with only 52k miles.The b cam is the only thing I would change if you decide to up the performance at all,otherwise leave the b cam in it.You could also throw some 1.7 RR on it if you decide to keep the b cam.That would raise lift from its current .480" to .510" The b cam is a 4-6000 rpm type can so there are better cams out there for more lower-midrange power,which is better for the street.What kind of idle quality do you get??
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91 LX 342ci(10.5:1)
TFS 190cc(stage ll)
TFS track heat
XE276HR .544" .544"
Flowtech 1 3/4"
Prochamber w FM
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Old 07-09-2015, 04:53 PM   #6
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Hell no leave the B cam in. Pairs amazingly well with those heads/intake.

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Old 07-09-2015, 08:45 PM   #7
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Quote:
Originally Posted by scottydsntknow View Post
All 87-early 92 cars had forged pistons. Even the 92.5-01 5.0 pushrods with the hyper pistons are plenty strong. The block is the weak link on the 5.0 pushrod which is why I never understand why ppl spend big money on building it up.
Oh I know but curious to what the OP meant.

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2016 VW GTI 2.0 Turbo

1989 Sonic Blue LX Coupe, 349 ci, TW heads, TFS Track Heat Intake, 75mm Accufab TB, 80mm ProM, 30 lb. inj, TKO, 3.73, 31 spline w/ TruTrac, MAC 1-5/8" LT headers w/ H pipe, Flowmaster, electric fan Moates QH
391 rwhp & 424 rwtq...Mustang Dyno 11.5@122mph
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Old 07-09-2015, 11:03 PM   #8
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Quote:
Originally Posted by wbrockstar View Post
Looks like a nice ride,especially with only 52k miles.The b cam is the only thing I would change if you decide to up the performance at all,otherwise leave the b cam in it.You could also throw some 1.7 RR on it if you decide to keep the b cam.That would raise lift from its current .480" to .510" The b cam is a 4-6000 rpm type can so there are better cams out there for more lower-midrange power,which is better for the street.What kind of idle quality do you get??

Idles real low, 750'ish. Not much of a lope, still looking for a better cam to throw in. Any suggestions? (Not too outrageous of cams)

---------- Post added at 04:03 AM ---------- Previous post was at 04:02 AM ----------

Quote:
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Clean car but was the motor rebuilt cause you have listed a forged bottom end?

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Motor was indeed rebuilt.
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Old 07-10-2015, 06:22 AM   #9
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I guess some guys put different pistons in to bring compression up and/or sometimes for less weight too,if its a light weight piston,even though the stock pistons are already forged.The rods & crank aren't forged though,so if the previous owner really did change the rods & crank to forged components, this engine is ready to go up to 400-500hp,as long as the block holds up as stated by Scotty.
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91 LX 342ci(10.5:1)
TFS 190cc(stage ll)
TFS track heat
XE276HR .544" .544"
Flowtech 1 3/4"
Prochamber w FM
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Old 07-10-2015, 06:52 AM   #10
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The stock internals from the factory are good for more power than the block can take.

Nothing wrong with the b cam either, those heads don't flow enough to make use of much anything else. If you want, put in some 1.7 rockers. Good tune on that car should do 275 to the wheels and easy 12s with suspension and a decent driver. Throw a 150 shot on it for track days and roll.

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Old 07-17-2015, 04:27 PM   #11
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Where should normal rpm idle be at?


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Old 07-17-2015, 04:28 PM   #12
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Where should normal rpm idle be at??


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Old 07-17-2015, 04:29 PM   #13
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My bad dont know how that posted twice..


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Old 07-18-2015, 01:12 PM   #14
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750 is fine. Now maybe you need 800 or 850 cause of the cam.

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2016 VW GTI 2.0 Turbo

1989 Sonic Blue LX Coupe, 349 ci, TW heads, TFS Track Heat Intake, 75mm Accufab TB, 80mm ProM, 30 lb. inj, TKO, 3.73, 31 spline w/ TruTrac, MAC 1-5/8" LT headers w/ H pipe, Flowmaster, electric fan Moates QH
391 rwhp & 424 rwtq...Mustang Dyno 11.5@122mph
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Old 07-18-2015, 10:30 PM   #15
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I have an E cam and it idles at about 1k or 1100rpms?


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Old 07-19-2015, 06:30 PM   #16
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E cam should not idle any higher than other cams. If it is, you are untuned or your tuner sucks.
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Old 07-19-2015, 08:49 PM   #17
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You can always do a base idle reset to help get the idle situated to your liking.

http://sbftech.com/index.php/topic,1031.0.html
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91 LX 342ci(10.5:1)
TFS 190cc(stage ll)
TFS track heat
XE276HR .544" .544"
Flowtech 1 3/4"
Prochamber w FM
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Old 07-19-2015, 08:57 PM   #18
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I bought he car about 2 years ago and has always been at that idle.. How would I bring it down to the 800 range? My car is carbed I don't know if that matters.?


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Old 07-19-2015, 09:51 PM   #19
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1989 5.0 LX

Should be an idle adjust screw on the carb.

Does it always idle that high or does it ever come down? Might be an issue with a choke if you've got one.

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Old 07-20-2015, 08:04 AM   #20
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Quote:
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Should be an idle adjust screw on the carb.

Does it always idle that high or does it ever come down? Might be an issue with a choke if you've got one.

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E cam has a 110 lsa that can be hard to get to idle right on a carbed car.

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Old 07-20-2015, 03:35 PM   #21
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Its a Holley carb Ill see if it has that screw to help the idle.. But yea it always stays right there. Never gets any higher or get any lower... And ScottyDoesntKnow what is lsa?


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