Check out "Hemmings Motor News".
It had a 455.
The most famous Buick muscle car was the 1970 Buick GSX. The GS400 & GS340 were also muscle cars. So was the Skylark GS and for sure the 1970 Skylark Stage 1 GS 455 which was a real runner. The Buick Skylark Gran Sport. Starting in 1965 with the 401 cu in (called a 400) 325 HP engine.
Try PostonBuick.com or TAperformance.com..
Yes you can...the 400 is the same engine as the 455...all you need are 455 frame mounts and motor mounts if you car had a small block V8 (340)...if it had a 400, a 455 bolts in perfectly since it is the same as a 455 externally!!! Year One, Inc. and TA Performance has whatever parts you may need.
buy an aftermarket computer
Depends on the year of the GS Go to this site to see production numbers based on the year and the model of GS. Stage 1 for example. http://www.musclecarclub.com/musclecars/buick-gs/buick-gs-specs.shtml
I believe that the Casting Number for ALL 1970-1972 Buick 455, Stage-1 Engines is #1112016. I believe that The Casting Number for all 1969 Buick 430, Stage-1 Engines is #1111962. I have an Original REPLACEMENT Distributor, for my Original 1970 Buick 455, Stage-1 Convertible.....the Casting Number on it is #1112016..., also with a DATE-CODE for 1972. I can check for the exact Date Code / Translation on it and relay that to you after I get home....Each Date-Code will of course be different according to the MONTH and YEAR it was Casted at the foundry. 02/10/08 I am NOT an expert, but believe this info, from my previous research to be accurate. The best person to find out detailed info from about ANY Buick GS is: Duane Heckman of WWW.Classiccarinteriors.com He is a Walking Encyclopedia when it comes to Buicks.....He is the Leading Concours Judge at the Buick Nationals Every Year..... I will try to post the Date Codes for Distributors HERE,...as soon as I can. Semper Fi, Jim E-mail Address: redjarhead61@verizon.net
GS stands for Grand Sport. Wrong, GS stands for Gran Sport.
Citroën GS was created in 1970.
Buick does not use inertia/ reset switches.
2140 Produced. Maybe a few hundred survive. Considered the second most popular year to the 1970 GS Convertible. Value is rising quickly. Listed in the top 50 of collectible muscle cars. Very Rare.
The engine is Buick red..... I had a GS 340 that was parted, but I still have the engine in reserve for verification.... The 340 in the non GS (ie- Sportwagon was a blue- green color), the 300's were the same color.