Rear Thumping Sound

Time to evaluate, first Jack up the car so rear tires are up. Now spin that tire and listen and look for the issue.
If nothing looks out of place and you don't hear any noise then swap rear tire with front tire to see if the problem follows.
If it's making noise in front then it's the tire/rim.

Try this and get back to us.
Good luck young buck.
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Roush 2005 Roush Mustang Registry

What exhaust does the Stage 1 have? 2005 more specifically? I'm looking to do an axle back to add just a little more noise. Wife suggested going with the Roush cat-back to keep it all Roush but I'm wondering if it's the same thing that it came with? I'd do a cat back but sounds like you need a tuner but i don't want to go that route.
Any suggestions? Don't want it too loud and want to keep the rectangular Roush tips back on it

So I finally decided to buy my first Fox so why does it look like a Cobra lol

Parts list for the 89

Engine - (roughly 2000km on engine)
-Gt40x crate engine
-Real cobra upper and lower intake setup
-Extrude honed intakes and matched ports to cylinder heads
-Svo aluminum heads
-Arp head studs
-f303 cam
-Svo 1.6 roller rockers
-Svo pushrods
-Svo double valve springs
-new bosch alternator
-mls head gaskets
And much more..

Transmission - (maybe 100km since rebuild)
-king cobra clutch kit
-light weight svo flywheel
-sfi approved scattershield
-t5 5.0 5 speed freshly rebuilt
-pro 5.0 short shifter
-svo aluminum clutch quadrant with multiple hook adjustments for cable
-bbk firewall clutch cable adjuster
-new energy poly transmission mount
-new ford racing aluminum driveshaft

Exhaust -
-bbk equal length ceramic coated headers
-off road h pipe
-brand new flowmaster American thunder catback
-flowmastef stainless polished tail pipes
-all brand new hangers and bushings
-new o2 sensors

Rear end -
-1995 mustang gt 8.8 posi rear end
-rear end sanded and painted oem black
-stock gears
-factory five racing tubular greaseable upper and lower control arms
-maximum motorsports braided steel brake lines
-new upper center flex brake line
-brand new park brake cables and linkages

Suspension -
-brand new rear koni shocks
-brand new rear eibach springs
-brand new front maximum motorsports coilovers
-brand new maximum motorsports caster camber plates
-powder coated black 1995 mustang gt knuckles
-new wheel bearings

Steering -
-brand new steering rack (sport rack)
-brand new inner and outer tie rods
-brand new ball joints
-brand new maximum motorsports steering shaft (no more rag joint!)
Etc..

Brakes -
-5 lug disc brake conversion
-brand new cobra disc brake master cylinder
-brand new maximum motorsports brake hard line kit
-brand new maximum motorsports braided steel brake lines
-brand new calipers, rotors, pads from 2004 mustang gt (bigger brakes)
-brand new proportional valve for brake bias

Body -
-freshly painted reef blue with highest quality paint and clear coat
-All seals, weather strip, screws, clips, bolts etc are new
-1993 cobra tail lights
-brand new oem front headlights and gaskets
-all new exterior trim/moldings
-have all brand new badges in packages just haven't installed
List goes on...

Chassis -
-Detroit speed thru floor subframe connectors that also reinforce lower torque boxes (best kit you can buy)
-detroit speed upper control arm reinforment kit (ties upper control arm mounts together and to frame rails
-entire underside of car prepped and painted with black liner for a durable clean look
-also have detroit speed mini tub kit not installed
And much more..

Engine bay -
-engine bay smoothed with Scott rod panels (seamless install correctly done)
-completely body worked, painted and clear coated
-wire tucked
List goes on..

Fuel system -
-Complete brand new system
-brand new fuel tank
-complete aeromotive fuel system
-aeromotive 450lph fuel pump with billet hat for tank
-all braided larger steel fuel lines
-all an fittings
-updated to oem fuel filter setup from newer mustangs
-billet aluminum fuel rails
-38lb svo fuel injectors
-aeromotive billet aluminum adjustable fuel pressure regulator with gauge
List goes on..

Interior -
-All black oem interior
-oem black tweed seats front and back
-new leather shift boot and shift nob
-oem black carpet
-power mirrors, power locks, power windows etc all function
-factory tape deck radio setup
Interior is in beautiful condition..
found it
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'05 to '09 V6 Mustang / Explorer Owners Using " X- Charger " kits ( Explorer Express )

I know this thread dates back a few years, but hoping someone takes a look and is able to respond!

My brother gave me his old 2005 Ford Mustang V6 with the X-Charger installed. Unfortunately, it's been sitting on his driveway for years. I'm trying to fix it up and get the car back in running condition, but I need to pass an emissions test first (I live in GA). When I plug in my OBDII, it says my Catalyst, O2 sensor heater, EGR system and O2 sensor are "not ready". After logging over 800 miles trying to complete a drive cycle, I came across many threads in various forums detailing how it could be a tuning issue.

My question is does anyone know of anyone who works on X-Charger tunes now? It looks like Explorer Express is no longer in business. I don't know who to reach out to or who can help with this.

Engine OG “Quickie Cooler” Fan/WP Drive

8hp, 15 to 20hp no PS pump :scratch:

I'm going to bypass the power steering pump with the short belt, so I was hoping for a cumulative 15 rwhp / 10 rwtq.

Techmotion did a dyno test bypassing the power steering pump and it was worth 6 rwhp / 6 rwtq, so we'll see what I can pull out of it.


Screenshot 2024-04-17 235917.png

Resolved Cranks but still doesn’t start. Ran through the checklist and still doesn’t start.

Turns out, it was the injectors. I took the “pencil thin” injectors out and put the factory Bosch ones back in. Started RIGHT up.

I sincerely thank everyone who helped. It’s been a long run, so far. And the work is just getting started.

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Wheels-Tires Wheel/tire Combos Known To Fit

American Racing lists the 4x4.25/4x108 in the 15x7 but it appears, at least everywhere I've looked, lists them as out of stock. I wonder if you can even still order them.... :shrug: It might be a good idea to stop in to a brick and mortar dealer and ask about them, you may still be able to special order them through a dealer whereas you might not have any luck just looking online.
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Paint and Body Any non oil resistant parts in engine bay?

They're not hoses or wires like you mentioned, but some types of rubber will break down under constant oil exposure. Don't know if they are made of the type of rubber that is adversely affected by oil, but a few underhood pieces that come to mind are strut mount isolators, sway bar bushings and motor mounts.
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