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Ken Lowe's 1969 Firebird
(In His own Words)

I bought the car 4 years ago with a very tired numbers matching 400 in it. After driving the car for a while, the race bug bit, and I decided to build a 428 and do some bracket racing.

I put the 428 together with a set of 1971 "96" heads and a hydraulic roller cam on the recommendation of another "Pontiac" shop. The best that the car would do with this combination was 13.50 @ 105 mph. No matter what I did, I couldn't get it to go any faster.

During the winter of 2000, I did a lot of research and called various other Pontiac shops looking for opinions on what I needed to do to get the car into the 12's. When I talked to Dave at SD, I was impressed by his willingness to share knowledge and his product.

After several discussions, I decided to purchase a set of the street/strip D port heads, and on Dave's recommendation, another hydraulic roller cam of his design. When I received the heads, I was very impressed with the quality. They were exactly as described, and the flow sheet numbers that were provided were exactly as promised.

I put the car back together again over the winter months, and eagerly awaited the first run of the new season. Right out of the gate, with no tuning, the car ran a 12.75 @ 109 mph! I was ecstatic to say the least. When I called Dave the next day and told him the results, he was genuinely happy for me. He then helped me work through some nagging carburetion problems and since then has always been willing to offer advice to help me go faster. The car now runs consistent 12.21's @ 113 mph.

I couldn't be happier with SD Performance, they are honest, provide excellent service, and you just can't find a more knowledgeable Pontiac shop around anywhere. Thanks Dave!!!


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Engine Specs.
434 CID
Holley 950 HP carb
Ported Performer RPM Intake
SD Performance Street/Strip 6X Heads
Comp Cams Hydraulic Roller Cam
KB Pistons
9.5:1 compression
Stock Rods with ARP Bolts, shot peened and polished
4 Bolt Main Block (1969 YK 428/390 HP)
Doug's Headers- 1 7/8" tubes, 2 1/2" exhaust with Magnaflows