Cobb Racing Enterprises

Cobb Racing Enterprises Cobb Racing Enterprises specializes in a Competition Engine Building & High-Performance Part Sales.
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Mock up on the 499 cid 4.50 Bore Space SBC Billet Evolution M3 heads. Dart 9.5 Deck Iron Eagle BlockBryant 4.250 strokeC...
05/29/2026

Mock up on the 499 cid 4.50 Bore Space SBC Billet Evolution M3 heads.

Dart 9.5 Deck Iron Eagle Block
Bryant 4.250 stroke
Carillo Rods
ROSS PISTONS
60MM Roller Cam Bearings
Billet Evolution M3 heads Prepped by Preston Mosher
Visner / BES / Darin Morgan
Daily Engineering 6 stage dry sump
Jesel Valvetrain Innovation Rockers, Belt Drive, Key Way Lifters
Holley EFI

Just finished up Jeff 's Leach Roofing 604 BBC Small Tire Blower Motor.We broke the dyno torque and hp records with les...
05/28/2026

Just finished up Jeff 's Leach Roofing 604 BBC Small Tire Blower Motor.

We broke the dyno torque and hp records with less than 10 psi boost.

Coming to a track soon.

Custom CP SBC Pistons for 434 SBC with Profiler 3.0V 23 deg heads.14.02 cc Dome1.0, 1.0, 2.0 mm ringsDirt Drag Engine.
05/28/2026

Custom CP SBC Pistons for 434 SBC with Profiler 3.0V 23 deg heads.

14.02 cc Dome
1.0, 1.0, 2.0 mm rings

Dirt Drag Engine.

Custom Diamond Pistons we designed for 352 cid SBF arrived today.
05/27/2026

Custom Diamond Pistons we designed for 352 cid SBF arrived today.

Finished up testing on this 443 cid SB2.2 Dirt Drag Engine with the customer's headers that we modified to the following...
05/09/2026

Finished up testing on this 443 cid SB2.2 Dirt Drag Engine with the customer's headers that we modified to the following specs along with X16 fuel.

2" to 2 1/8" at 28 inch Primary Length
Merge collector with 3 1/2 outlet with 2.75 choke with overall 13" length.

1017 hp at 8500
683 tq at 6800

With my dyno headers and Q16 it made 1042 hp.

So, we now have two different fuel tune ups in the same carb and the vehicle headers working good for this combination.

Looking forward to seeing the on track results.

Finished up this 438 cid SBC 23 Deg 3.0V Profiler headed Dirt Drag Engine today with some updates from the original buil...
05/07/2026

Finished up this 438 cid SBC 23 Deg 3.0V Profiler headed Dirt Drag Engine today with some updates from the original build back in 2017.

884 hp at 8100 (2.02 hp / cid)
655 tq at 6200 (1.495 tq / cid)

841 avg hp from 6200 to 8400

We made a bore size change from 4.170 to 4.177 with new custom Ross Pistons along with a manifold change from Edelbrock 2970/71 to the IronHide 2205-3 with Vector Performance Ron Jr Warrick doing the port work along with fresh valve job by Brett Miller. Also, had Wes Collins build some custom headers for the truck along with my new custom BLP CARB.

These changes netted us an increase of 41 avg hp from 6200-8400. It made 855 hp / 625 tq on the original build back in 2017.

438 cid
Dart Iron Eagle Block440 Raised Cam
4.177 bore
4.000 stroke
Callies Magnum Crank BBC Snout
400 main journal
2.00 rod journal
6.125 Dyers Rod866 DLC Pins
Custom Ross Pistons 17.4 cc Dome9mm, .9mm, 2.00 Total Seal AP RINGS
55mm camshaft Comp Cams Custom by Cobb Racing Enterprises904 Jesel Lifters - DLC Tie Bar
7/16 - .165 wall Trend Pushrods
3.0V Profilers (1 of the first sets) by Chad Speier at Speier Racing Heads.
2.140 Victory Titanium Intake Valve
1.580 Ferrea SS Exhaust Valve
T&D Steel Rockers - Custom 1.52 Pivot length
PSI SPRINGS DR1254RML / DR1286RML
IRONHIDE 2205-3 MANIFOLD
GZ Motorsports Vacuum Pump
Canton Oil Pan
Maxima RS1030 Oil
Q16 Fuel
BLP / CRE Custom Carb

T & D Machine Products
Jesel Valvetrain Innovation
Edelbrock Group
Vector Performance

Got to make some updates on the 425 cid SB2.2 that we did last fall for my good friend and customer Robert Eubanks.We ne...
05/02/2026

Got to make some updates on the 425 cid SB2.2 that we did last fall for my good friend and customer Robert Eubanks.

We netted some nice gains to increase the power to 1013 hp from 996 hp. The torque increased as well from 699 to 703 at peak tq rpm. (Comparison between both is shown in pictures 📸 below). We utilized the Holley TerminatorX4500 system as it was run last year.

Changes that were made was a slight increase in compression to a tick over 16.0 to 1 versus 15.9 last year. We also moved the cam timing events a little.

Avg power increased to 960 from 949 across the test range of 6500 to 8400 along with avg torque increase to 678 from 671.

We also tested some different oil and headers which did not net us any gains.

The comparison data was with same headers and EFI system that was used last year.

It is heading to the racetrack today.

T & D Machine Products Awesome steel rockers on the 438 cid 23 deg Profilers for this Dirt Drag Engine.
04/14/2026

T & D Machine Products

Awesome steel rockers on the 438 cid 23 deg Profilers for this Dirt Drag Engine.

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04/07/2026

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Awesome Carb !!!Thanks for the customization for my applications and my business logo.Pictures 📸 just don't do these jus...
03/27/2026

Awesome Carb !!!

Thanks for the customization for my applications and my business logo.

Pictures 📸 just don't do these justice.

They make power and accelerate down the racetrack.

Address

3745 Highway 79S
Paris, TN
38243

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

+17316974913

Website

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