Do Thumpr cams make good power?
As tested, this cam beat all the other test cams with both heads in every category but the absolute power peak. The Thumpr made the highest peak torque, the highest average torque, the highest overall average power, the best average numbers between 2,500 and 4,500 rpm, and the best numbers from 4,500 to 6,500 rpm.
What are the specs on a mutha Thumpr Cam?
Thumpr K-Kit
| Thumpr | Mutha’ Thumpr | |
|---|---|---|
| RPM Operating Range | 2,000 to 5,800 | 2,200 to 6,100 |
| Advertised Duration (INT/EXH) | 279/297 | 287/305 |
| Duration at .050″ (INT/EXH) | 227/241 | 235/249 |
| Valve Lift w/ 1.5 Rocker (INT/EXH) | .479″/.465″ | .489″/.476″ |
What does a Thumpr Cam do?
The basic science behind the Thumpr Cams is not a new one. The Thumpr line delivers true high performance engine sound by “tightening” the lobe separation angle of the camshaft. This creates more overlap between exhaust and intake events and more “cool” performance sound.
How much is a Mutha Thumpr Cam?
Compare with similar items
| This item COMP Cams 12-602-4 Big Mutha’ Thumpr 243/257 Hydraulic Flat Cam for Chevrolet Small Block | |
|---|---|
| Add to Cart | |
| Customer Rating | 4.7 out of 5 stars (176) |
| Price | $15499 |
| Sold By | Amazon.com |
How much HP does a big mutha Thumpr Cam add?
Bumpstick Bounty
| Thumpr Cams Used and Subsequent Dyno Results | |
|---|---|
| 1. Baseline result before Thumpr install | |
| Peak power | 376 hp, 393 lb-ft torque |
| Average power | 299.5 hp, 365.6 lb-ft torque |
| Vacuum noted | 7.5 inches |
How much HP does a big mutha Thumpr cam add?
Can you put a distributor in a LS engine?
Enjoy the performance and durability of the GM LS series engine with the simplicity and tune-ability of a distributor and carburetor. With the conversion kit, LS engines are now able to utilize a standard distributor ignition system and a carburetor with a belt-driven or electric fuel pump.
Is Comp Cam still in business?
In January 2020, Competition Cams was acquired by private equity group Industrial Opportunity Partners.
What is a Stage 4 camshaft?
The Stage 4 235/248 camshaft is the perfect choice for customers wanting the MOST powerful camshaft available that still offers adequate piston-to-valve clearance on a stock short-block. This camshaft is designed for all-out power and shows gains over the stock camshaft beginning at 3,100 RPM.
How much HP can a 5.3 LS make?
ANSWER
| Gen III 5.3L “Vortec” Stock Rated-Output (SAE J1349) | ||
|---|---|---|
| Model Year | Power (HP) | Torque (LB-FT) |
| 1999 | 270 hp | 315 lb-ft |
| 20002003 | 285 hp | 325 lb-ft |
| 20042007 | 295 hp | 335 lb-ft |