Pat Downs Performance

Pat Downs Performance Engine builder/fabricator, parts designer, cylinder head specialist with over 37 years of experience.

PDP Thanksgiving sale, active today through Sunday!
11/26/2025

PDP Thanksgiving sale, active today through Sunday!

Another Big 2650cc type-4 street car engine going on the dyno tomorrow morning. Whoever guesses the power and torque the...
09/25/2025

Another Big 2650cc type-4 street car engine going on the dyno tomorrow morning. Whoever guesses the power and torque the closest gets a PDP T shirt and hat.

Got to work on a 1750cc Porsche 4 cam at PDP today. 142 hp@6200rpm and 132 ft lbs torque @5200 rpm.
10/16/2024

Got to work on a 1750cc Porsche 4 cam at PDP today. 142 hp@6200rpm and 132 ft lbs torque @5200 rpm.

My buddy/customer sent me these pics. Old school coil mount compared to the new PDP hidden coil mount. Now you see it, n...
10/02/2024

My buddy/customer sent me these pics. Old school coil mount compared to the new PDP hidden coil mount.
Now you see it, now you don’t!

New PDP product release.Billet Hidden coil mount/breather. Hides your Shockwave coil behind the distributor. Relocated b...
09/21/2024

New PDP product release.
Billet Hidden coil mount/breather. Hides your Shockwave coil behind the distributor. Relocated breather allowing for a larger -10 breather if needed. Available in polished or black. $51.95 each

We won Texas VS The World!!!!
09/15/2024

We won Texas VS The World!!!!

Putting in the good stuff
09/13/2024

Putting in the good stuff

Beware, Another T shirt scammer on the loose.
09/13/2024

Beware, Another T shirt scammer on the loose.

08/30/2024

I want to give a huge shout out to my transmission sponsor Ranch Performance Transaxles. Sam and Mike have been a loyal sponsor of my race program for over 10 years. Mike Herbert is one of my dearest friends and always goes above and beyond to help me at the track and also my transmissions.
To all of those out there who have sponsors or looking for one. Take care of them like they take care of us. Stay loyal to them and Promote them. Sponsors wouldn’t help us if they did not love this hobby and want it to grow and succeed.
, Oil,

08/16/2024

These big type-4 engines are awesome. Just finished this 2650cc type-4 going in a 356 Porsche replica. 202 ft lbs torque and 196 HP@ 5750rpm
-4power

08/11/2024

Finished this nice 2276cc type-3 engine for a customer in Hawaii. Made awesome power and torque, should be a great driver. 170 Horsepower and 178 torque using my 42x37.5 CNC ported heads, Shockwave ignition, A-1 exhaust.

06/17/2024

I want to personally thank everyone who came by the PDP booth at Bug In today. I enjoyed talking to all of you very much.
This was my first show to exhibit and sell products and I had a blast! My wife and best friend Amy Guelker Downs helped me all day long and only yelled at me twice! LOL
Congrats to Adam Kotke of Seward Speed Shop for winning the Empi Engine Builder Shootout yesterday. I’ve known Adam for a lot of years and I’m so happy for him.
See everyone soon with the PDP Pro stock VW at Texas vs the world in September!

Address

6365 Avenue 400
Dinuba, CA
93618

Telephone

+15598040050

Website

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