One of 120 made
Most desirable Buick in the best year wearing the best color
Faster than a Hemi Cuda, Chevelle 454 SS, or Boss 429
GS trim line had been around for many years but for 1970 the GSX was born with X standing for Experimental. A $1195 option
Saturn Yellow with black stripes and a red pinstripe
Muncie 4 speed M22 rock crusher transmission
Stage 1 package, a $199 option on top of the GSX included: different camshaft, stronger springs, ported heads, higher compression - rated at 360hp due to insurance reasons but more realistically 400hp actual. 510ft lbs of torque at 2800rpm
One of 678 1970 GSX
One of 479 1970 GSX Stage 1
One of 199 4 speed manual
**One of 118 4 speed Stage 1 **
455ci big block 10.5:1 compression
Highest torque rating of all production muscle cars until the 2003 Viper was introduced.
These engines were light, they used an advanced method thin wall casting which made them 150lbs lighter than the 454.
This car is a Lightweight version:
Manual windows/locks/seats
No Air Conditioning
Satin black front chin spoil and rear “salami slicer” spoiler
Cool air hood scoops
8000rpm hood tach
Sports/Rallye Steering Wheel
Hurst shifter
Racing mirrors
Body color headlight surrounds
15x7” wheels
9.5” Power disc brakes
10bolt differential with posi traction and 3.64:1 ratio - only on non AC cars
Rallye Ride Control package - 450lb springs, stronger shocks with 1” pistons, 1” roll bar, Rear 144lb springs and .875” roll bar with upgraded bushings
Motor Trend - “Quickest American production car we have ever tested” Fastest car of 1970
3874lb weight
0-60 5.8 seconds
13.38 second 1/4 mile @ 105.5mph
Faster than Hemi Cuda and Boss 429
Fastest Buick in the Quarter Mile
$4,880 price when new
Buick was the luxury Muscle Car with better sound deadening, comfortable seats, nice carpeting, very tight and quiet drivers
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