HERZOG RACING ENGINES

HERZOG RACING ENGINES Full line of aftermarket racing parts available Holley EFI Dealer & Installation center. 4 wheel Dyn

Fuel car racing in Tucson. Nov 14-15 2025. BE THERE !
11/13/2025

Fuel car racing in Tucson. Nov 14-15 2025. BE THERE !

The correct fix for adjustment setting the Reverse band in a TH400
10/30/2025

The correct fix for adjustment setting the Reverse band in a TH400

SALE on all BOP TH400s. $100 off till the end of November 2024. Professional built Street Strip units and OE restoration...
10/20/2024

SALE on all BOP TH400s. $100 off till the end of November 2024. Professional built Street Strip units and OE restoration units available. Also competition units for you racers. Have these case numbers available to build: 67 PX, 69 PX, 68 PT, 73 PD, 69 BC, 70 BC, 74 BC, 68 OC just to name a few. www.HerzogPerformanceTransmissions.com is located 45 minutes west of St Louis on Hyw 70 at Warrenton, Missouri. Call me anytime 636-456-9006 or my cell phone 314-355-6999

We offer the finest quality of transmissions that are engineered for high performance and durability. Our products are designed to meet the specific needs of car enthusiasts, racers, and weekend warriors.

Updated - Finished - Done - Herzog Performance Transmissions
04/03/2024

Updated - Finished - Done - Herzog Performance Transmissions

We offer the finest quality of transmissions that are engineered for high performance and durability. Our products are designed to meet the specific needs of car enthusiasts, racers, and weekend warriors.

LISTEN UP .... I am here to help you make educated decisions about your transmission options. If you call and want to di...
03/08/2024

LISTEN UP .... I am here to help you make educated decisions about your transmission options. If you call and want to discuss your transmission needs, I know doubt, will ask you about your vehicle and what your wanting to accomplish. If I ask what the weight of the car and tire size is I am looking for a correct answer not you him hawing around the question and continually saying it's 750 hp. Big difference from a 1500 lb car as compared to a 6000 lb 4x4 truck. So hanging up on me because you don't want to disclose info, I can't help you. If you can't or won't be truthful I really don't want your business. You people that "think" you know everything need to build them on your own. No need to argue with or call me. Those of you that need or care to take advice from someone of 50 + years experience I am here to help. 636-456-9006 Thanks

Sweet deal, Morel Lifters on the way for the Fluidampr Wagon. Lifters,springs, timing belt and wheels up again 24
02/06/2024

Sweet deal, Morel Lifters on the way for the Fluidampr Wagon. Lifters,springs, timing belt and wheels up again 24

11/19/2023
A good read about valve timing events.
01/18/2023

A good read about valve timing events.

If you’ll recall, in the January issue, we got into the nitty gritty details of what makes a camshaft the “right” camshaft. In this issue, we’ll continue the education. Cam class is back in session!

09/08/2022

9-8-2022 For the last 6 to 8 weeks we have been doing transmission dyno R&D on a TCI/BTE forward manual valve body fitting a TH400, do to problems earlier this summer. Testing with numerous PR pressure settings we found that you can boost the pressure too high. A reverse pattern valve body you can boost to the moon no problem, however with the current used design of these two manufactures the forward pattern valve body does not want to see over 200 lbs pressure. Upon assembly with current BTE supplied springs, pressures can approach 230. At this point pressures kick the 1-2 shift valve and cause the trans to loose 1st gear and start in second acting as a two speed. The current TCI spring used offered 180-200 lbs. By changing the spring supplier and or just a spring batch can cause so so many problems. I am sorry for any problems this has caused in the past to my customers. I always try to go out of my way to work through problems that sometimes arise. But because of these problems we learn to build a better product to supply you the end user. Doug Herzog

Address

25820 S STATE HYWAY 47
Warrenton, MO
63383

Telephone

+16364569006

Website

http://www.Boss429Cougar.com/

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