MAC Performance has recently released a slew of NEW performance parts and accessories for the Ford Mustangs, not the least of which are brand new catback exhaust systems and cold air kit designs and they now utilize highly polished stainless steel! We here at Pro3i had and opportunity to install their new cold air kit on a 40th Anniversary GT and a catback system on our in-house ’85 GT.
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The MAC Straight Shot is their newest offering in cold air induction and through independent testing has produced 17 RWHP increases! Not only that, but the system looks fantastic! With nothing more than a few simple tools in hand, we were ready to make the swap to increase horsepower and dress up the engine while we were at it.
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In our never ending quest to raise the caliber of Bullitt #2580, we turned to popular bolt-ons to see how the car responded. In stock trim with only a conical K&N, on Detroit Speedworks MD-1750 dyno, the car put down 226HP/265.7 ft-lbs torque to the rear wheels (baseline vehicle simulation test mode).
– THROUGH THE INSTALLATION OF SN95 FRONT SPINDLES
This article will detail the conversion of my 1990 Mustang GT from 4-lug to 5-lug for the purpose of mounting 17×8 wheels from a 1999 Cobra (this also applies to 1998 Cobra wheels and the 17″ ‘Split 5-Spoke’ style wheel). This conversion was done with cost kept to a minimum. It would have been easy to simply order an M2300-K Cobra Brake Kit from FRPP but I wasn’t ready to drop the $1,600 for the kit. This article details the conversion that retains the front discs and rear drums for budget issues.
Guide to installing piggybacked underdrive pulley systems for 4.6L GTs and Cobras
- ratchet extensions
- 10mm, 11mm, 18mm sockets plus others
- torque wrench
- breaker bar or impact wrench
- harmonic balancer puller tool (place deposit at O’Reilly or AutoZone, get $ back when done)
- 3/4″ drive ratchet OR massive screwdriver
- Loc-tite Red
- high temperature silicon RTV sealer (ultra black OEM)
- floor jack and 2 jack stands (optional)
- a helper (optional)
Aftermarket springs will dramatically improve the look of your Stang, while giving it better road handling ability. For Project Sundance, we chose the Steeda Sport Springs. The springs drop the car 1.75″ in the front, and 1″ in the rear. By doing so, it gives the Stang a slightly angled look reminiscent of the muscle cars from long ago. This install is pretty straight forward, anyone with basic knowledge of cars and tools should be able to complete it in 4-5 hours. In short, if Spreadman can do it, so can you.
*Note – All though this is a 99 Mustang, the basic instructions can or will apply to Mustang years 1979-2004 as they all use the FOX body chassis.