Instant-G is a full service shop that also designs and manufactures parts. We can change your oil, your engine, or your life!

What’s  a product without a service?  Not much.

We provide consulting and tech support on everything we sell, and we don’t sell anything we haven’t installed.

Our primary service focus is on:

In support of the above we also manufacture, supply or facilitate:

Additional areas of expertise:

  • Suspension
    • System Specification and Design
    • Componentry
      • Sway Bar, Torsion Bar, Coil-over conversions
      • Suspension arm Bushing updates
    • 993 rear suspension installation for 1969-1989  and 1989-1994 Chassis
    • RSR heim-joint front and rear suspension
    • Alignment and Weight Balance\
    • Product lines:
  • Tuning and Electronics
    • Bosch Motronic – Porsche’s management system from 1984-2012 on 911 and 944/944turbo engines
    • Motec, DTA-Fast, ProEFI
    • Aftermarket stand alone ignition
    • In-house 964/993 DME harness fabrication
  • Air Conditioning
    • In-house reduced barrier R134a compatible air conditioning hose fabrication
    • Rotary compressor upgrades using OEM Porsche factory compressors
    • Rear quarter panel mount fan driven condensers to replace  factory deck lid units


Dr. Timmins holds his Ph.D. in Mechanical Engineering – Design and holds an Adjunct Faculty position at the University of Delaware.  He has developed a course and written a text book on Vehicle Dynamics of Racing.

We have done quite a few whole car builds… and can engineer a comprehensive solution where all components work in harmony.

In addition to what we do, it’s just as important we know what we don’t do.  Paint, bodywork and interiors are really not our thing.  We can make recommendations, and fit bolt-on bodywork necessary for optimal performance, like wings, splitters, etc.  We can also make solid recommendations for shops we work in concert with for complete solution that works for you.

Part of what we do is make sure you are getting not only something that works, but that works for your application, and is financially appropriate.

Are you located a thousand miles away?  We have options:

  • Ship us your car.  We will do the work, thoroughly test, and ship it back.
    • We have had cars shipped in from:
      • Québec, Montreal, Edmonton and other parts of  Canada
      • New Orleans, LA
      • Chicago, IL
      • Atlanta, GA
      • Naples FL
      • Providence  RI
      • and many more places…
  • We can ship you what you need, tested before it leaves, worldwide
    • We then support you and your shop remotely.
    • We have shipped 3.6 conversion kits to Europe, Asia, Middle East, Australia, New Zealand and Russia in addition to North and South America.
    • Here’s an article on a conversion with exhaust and brakes to Iceland: Fire and Ice, as featured in Excellence Magazine

Our areas of expertise include:

  • 3.6 Conversions for Air Cooled 911
  • Stock and Modified Engine Rebuilding
    • 3.0-3.2
    • 3.6-3.8
    • Water Cooled Metzer (GT3/996 turbo)
  • Custom Engine Solutions for Track and Street
  • Engine Tuning with our in-house Mustang chassis dyno
  • Transmissions
    • Rebuilding
    • Custom Race Builds with appropriately spaced ratios
    • G50 Conversions, both 5- and 6-speed
  • Roll Cage and Chassis Reinforcements
  • Suspension Systems including Coil-Over conversion from performance street to full competition.
  • Factory and aftermarket wheel and tire fittment

Please see our products page for additional information, many of the products overlap with services