TECH
SECTION ...
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PART INFO, UPGRADES,
CHANGES, CONVERSIONS, COMPATIBLE PARTS,ETC... |
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As Ford updated the Mustang Models it also updated its components, when I go to the parts store I sometimes find what I'm buying doesn't look like the part I'm replacing. This section is intended to list the new replacement parts and to aid in compatibility of different parts for different years. As this site is new, I know there must be some errors and years that are off. Please E-mail me with suggestions, corrections or more info for this site at SPARKPLUGS@MAILCITY.COM . Thanks... |
Before and including 1986 the flex brake hose was all rubber. In 1987 it was changed to part rubber and part bent pipe. Still later (Not sure when) Ford changed the design again. I found this out after I had everything apart. The new hose has a different fitting shape to insert into a new bracket opening that holds it in place. The old hose and its opening was star shaped, while the new shape is round with a notch. So now you can plan ahead (had to order new bracket from Dealer, didn't have it in stock) or I guess you can drill the bracket out. I would spend the $5 than to have the hose jump around in the busted bracket and eventually break. |
There are plenty of aftermarket intakes, some
from Ford: GT40 & Cobra intakes, & others from Edelbrock &
Saleen. Basically all better than the restrictive stock intake. Lately
there's more info that Explorer Intake manifolds from 94-98 5.0 V8's
will fit (with minor work) & improve lower end torque Now It's performance
is not as good as the next best intake the Cobra, but I believe the
cost is near half. Go see this website BLK90LX's
Mustang Page for info
on this intake & how to install it.
HEADS
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Supercharging Your mustang can be done safely as long as you don't over do it ... A stock (1986-94) 5.0 has 9:1 compression, it can safely handle a low output supercharger with about 5 to 8 pounds of boost, while running 92 or higher octane. Going higher in boost could result in detonation (pinging) and some nice holes in your pistons. There is also another matter to keep in mind when planning to get a supercharger, some are designed to increase Lower end (lower RPM Range), while others increase Higher end torque.
Before you supercharge your motor install a less restrictive exhaust+ headers & at least cat=back system. Most of all... This is info for the beginner, that I have gathered. Learn all you can on your specific motor setup & ask your mechanic, the supercharger manufacturer, & helpful Mustang Owners at places such as Corral.net or Stangnet.com to make your decisions... |
Speed Density:
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Mass
Air:
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-Air
entering the system is not directly measured but "guessed" by
RPM & various other sensors, then that data checked against a chart
of values to calculate proper engine functions. |
MASS
Air (1989
& up 5.0 HO)
has a Mass Air Sensor (on
air inlet tube right after air filter) that
directly measures the amount of air flowing into the motor. -
Because this system knows exactly how much air it's getting, it will adapt
to any motor modification, including large cam, supercharger, larger intake... |
The
lowest cost performance increase you can do to your motor is to increase
its timing. Drivers notice a noticeable increase in lower torque with
as little as a 2 degree increase.
Note: Advancing timing on your motor will increase its emissions & |
Note: This is the order for 87-93 5.0 HO Mustangs Other Years & Models may vary. |
Most of the 86-93 stock alternators are too weak
(only outputting 75 amps), and not putting enough voltage out when idling.
Even the connector to the alternator is known to cause fires (very rare
though). The solution is to install Ford's new 130A-3G Alternator (from
the 1994-95 V8 Mustang GT & Cobras only,not V6). It's better designed,
will last longer, and has plenty of power at idle with all the accessories
on. |
Around 91-94? Ford changed the Outer Tie Rod Ends (longer ends) to help keep the Rods (steering linkage) parallel with the lower control arms, reducing bumpsteer. I believe the length difference is not the rod to the rack but the smaller pivoting stud that bolts on to the spindle. I believe that You have to ask specifically for these or you will get the shorter (original) ones that came with you 86-91 Stang. Unfortunately I didn't know this last year when I replaced all inner & outer tie rod ends (tried to reduce annoying bumpsteer). You will need to adjust the toe (alignment-length from rack to spindle). I don't have any proof of the benefits but it seems to be recommended, on all the Mustang tech sites, to upgrade to the later rods. |
I don't know exactly when, but Ford has upgraded the valve cover gaskets for the 5.0 to a metal design.
The reason for this is the 5.0 has too much of a gap between valve cover bolts and the rubber, or cork gaskets would tend to move or break where the gaps were. The Metal gasket costs around $35 for both sides and is long lasting. You can remove the valve covers many times while not having to replace this gasket. |
You push the window switch up, (the window might go halfway up seem to shift) then it takes a year to close. First thing is to check the rod that the window is sliding up & down on. Usually the grease deteriorates. Unfortunately you have to take the interior door cover off. Clean off the old grease then put new grease on the rod & diagonal track. Don't use penetrating oil instead of greasing, it will just clean the old grease off, dry up & leave no protection. Also check that the 3 bolts holding the window motor are tight. |
Thinking of Upgrading the Rear Drums in Your Mustang to Disks? You
can buy Rear disk Conversion kits, they will cost more, but you will get
everything needed & everything will be new or rebuilt. Some companies
are Aerospace, PST(back of most magazines), Stainless Steel Brake Corp,
Wilwood, and FRPP. (look in Mustang Mags), & some offer larger calipers
from Cadillac to fit (I can't find info on these).
More info or sites when I can find them , If you have done this conversion please share with us your experience ...Spark Plug NEW... NOTE: Opinions on the T-bird & some rear disk kits seem that they don't offer a significant improvement over stock drums But kits that use larger calipers from Cadillac do. |
5.0: 1987-1993 Front: 11 inch Disks, Rear: 9 inch Drums |
2.3 Motors have a different silencer. It is after the air filter. It is the large oval plastic thing that has the Ford logo on it. It can also be pulled off. It can be replaced with PVC Piping or automotive intake ducting. |
- Forged pistons are very strong & are recommended for High
Compression, Turbo & Supercharged motors It is rumored that the 5.0's with forged pistions had a grey oil pan & Hyper pistion motors had black oil pans. |
All
1987-1993 5.0 H.O. used E7TE (casting #) heads. These were taken from
87 Truck Heads. |
T-5 Transmission |
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All
T-5's can use an aftermarket shifter for the sole reason of positive
stops. If you shift hard & fast with the stock shifter it may go
beyond "in gear" & push the clutch fork too hard & bend
it, causing shifting & clutch vibration problems. Most Aftermarket shifters
have positive stops, meaning as hard as you push it into gear you can't
go beyond (the adjusted) point. - Note the only downside is that you will feel increased vibrations coming from the stick due to the new shifters not using the rubber shifter bushings. |
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Rebuilding T-5's
built before 1989 were weak in 89 they were built with stronger hardware
& called "World Class T-5's". |
5.0
H.O.
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2.3
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1987-88:
225HP * OK Ready? 1987 Mustang 5.0 had 225HP. From there on it's a mystery. Ford claimed all mustangs had 225HP, UNTIL 1994 when they came out & said 93 the HP was lowered to 205HP. What I believe,... When they went to MASS Air 1989-up (also rumored smaller cam) the 5.0 Lost HP & there were stricter Emissions standards which again lost HP. Also Ford had to "down-rate" or tell the real HP so the NEW 1994's with only 200HP looked good. |
1987-90:
88HP at 4000RPM |
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The
purpose of this section (& this website)
is to gather information from various sources to help the Mustang Owner
stay informed with changes & Useful information all in one place.
I
hope this site can help you maintain your Mustang |
THANK YOU FOR VISITING |