10 second 68 Firebird Sacramento Raceway 1987
This 68 Firebird was my first car purchased when I was 17 in 1977. The car
is currently undergoing a frame-off restoration.
At the time this video was taken in 1987 it was powered by a 455 Pontiac
The best ¼ mile performance was an ET of 10.87 and a MPH of 124.83 WITHOUT
the aid Nitrous oxide.
The heads are ported factory cast iron D-Ports cast# 48.
Crankshaft is factory 455
Rods are factory 73/74 455 Super-Duty
Camshaft is a Cam Dynamics solid flat-tappet with .618/.644" lift (1.65
rockers) 265/275 @.050 duration
Advertised duration is 312/322 int/exh
Pistons are Ross flat-tops yielding 12:1 compression ratio with the 69cc
Carburetion is 2 660cfm Holley center squirters mounted on a Doug
Nash/Warrior tunnel-ram manifold.
The differential is a Dana 60 with a 4.10 ratio gear set
Platinum Bandit New 455 Stroker Motor - 580HP
This is a video of the new motor we build with Butler Performance, to be
customized as a high Horse Power motor that was designed to drive on the
road and use 89 Octaine Fuel. With the 60 over 455 1971 Pontiac Block, it
was stroked to 474 and with a combination of multiple components, 10:1
compression, we were able to acheave a 580HP engine that you can drive
around town, across country, etc. using 89 Octaine gas! Look for it to be
featured in an upcoming High Performance Pontiac Magazine for full
details... Build your own Monster Motor and join us on the Bandit Run next
Proformance Unlimited Live Run Pontiac 455-425hp
Proformance Unlimited's Pontiac 455-425hp crate engine. Check us out on
the web at http://www.proformanceunlimited.com. 800-267-3940
You can view our complete Pontiac engine line at the following link:
Proformance Unlimited is well known for it's custom designs. If you are
restoring your early Pontiac we can upgrade the horse power and still keep
it looking original.
Whether your vehicle is a GTO, Fire Bird, Trans Am,
Lemans, or a timeless classic, here at Pro-formance Unlimited we are here
to help design and build the engine combination that will match you with
your vehicle. Please browse our crate engines listed below or custom design
one of your own. From that special built stroker engine to that turn-key
drop in ready crate engine, call Doug or Steve we will be happy to answer
any of your questions.