1964–1967 A-Body, GTO, Cutlass, Chevelle Chassis

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Get the ultimate upgrade!

 

The G-Machine Chassis by Schwartz Performance.

  • 200% less torsional flex than stock
  • 125lbs less than stock, roller-to-roller (with identical wheels/tires)

 

Available for 1964, 1965, 1966 and 1967 GM A-Bodies, including convertibles:

  • Chevrolet Chevelle
  • Pontiac GTO / Lemans / Tempest
  • Oldsmobile Cutlass
  • Buick Skylark / GS
  • El Camino & Wagons

 

Installation is simple.

  • Our bolt-in design requires NO floor cutting or fabrication.
  • The rear rails are narrowed to accomodate minitubs
  • “Body-dropping” can be done, but requires more significant fabrication.
  • Since our rails are narrowed, a modified or narrow fuel tank is required.

 

Want wider tires?

  • All G-Machine Chassis allow for up to 345mm-wide rear tires if you minitub the wheel wells
  • The Moser full-floating 9″ is narrowed to 58″ overall, to allow for deeper dish on the rear wheels

 

Which options do I choose?

 

Brakes:

-Our 13″ Wilwood kit is great for daily drivers and the occasional autocrosser or road racer. These require at least a 16″ diameter wheel, though some 15″ fit.
-Step up to the 14-inch Baer 6P Pro-Plus and get a brake system that will suit whatever you want to do. We race our 1965 Tempest often with this brake setup.
-The baddest kit is the Baer 6S, which is a one-piece forged caliper. This brake kit suits the hardcore roadracer, but does not sacrifice street driving.
-The 14″ brakes require a 18″ diameter wheel, however. Additionally, the Baer calipers are available in many colors, while Wilwoods are available only in black.
brake options1
 

Coilover shocks:

-We use RideTech coilovers as standard on our chassis systems. The two options we offer are single-adjustable and triple-adjustable.
-Single adjustable coilovers offer 24 “clicks” of adjustment for damping, as well as ride height adjustment. These will suit the weekend autocrosser/roadracer, as well as daily drivers.
-Triple adjustable coilovers offer the same damping adjustment as the singles with the addition of high and low speed compression adjustments, and a remote reservoir. These allow you to fine-tune your suspension for a specific type of driving. These are recommended for those who are willing & able to spend time tuning the shocks, and/or for the roadracer where every thousandth of a second counts.
-Air ride is also available, please call for pricing & info.

coilover options1
 

Rear end housing:

-Our standard axle is a Moser full-floating 9″ style housing, with 31-spline axles. We have tested this rear end up to 1000hp street cars with no issues. Contact us for higher HP, or if you’ll be drag racing it often on slicks with over 800hp.
-The Heidts IRS option is for those craving an IRS in their musclecar. This is recommended for up to 700hp.

housing options2
 

Third member/differential:

-The Ford 9″ comes with a clutch-type posi. Our first option is just that, with a cast-iron center section. If you have less than 500hp and won’t be racing the car often, this is just fine for you.
-The Detroit TrueTrac differential is a helical-gear type posi, which holds up to more power than the clutch posi, lasts longer (no wearable parts), and is quiet enough for street cars.
-Moser offers a new nodular iron case which is recommended for 600+ hp and racing. Their aluminum case also holds up to higher horsepower, and is much lighter than iron cases.
 

Pictures:

(Click to enlarge)

[slickr-flickr tag= “early abody chassis”]  

Base price includes:

  • A fully-welded chassis, built on a precision jig
  • Adjustable transmission crossmember
  • Race-bred front and rear suspension components (excluding coilovers): control arms, ball joints, tie rods, power rack & pinion, aluminum front wheel hubs with bearings, and teflon-lined heim joints for quiet & bind-free suspension

Shipping:

  • We ship assembled chassis using enclosed car transporters. If you order the chassis un-assembled, we’ll ship it via truck-freight in a crate. There is a crating fee, which will be determined upon ordering.

Pricing is for reference only. For questions, call 815.206.2230

Pricing:

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