How much HP does a big mutha Thumpr Cam add?
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 does a Thumpr Cam cost?
Compare with similar items
| This item COMP Cams 12-601-4 Mutha’ Thumpr 235/249 Hydraulic Flat Cam for Chevrolet Small Block | COMP Cams 4605 Cam Lock Plate for Chevrolet V8 #1 Best Seller | |
|---|---|---|
| Price | $19707 | $628 |
| Sold By | SG MARKETPLACE | Amazon.com |
| Item Dimensions | 24.1 x 2.9 x 2.6 inches | 6 x 4 x 0.2 inches |
| Item Weight | 8.88 lbs | 1.60 ounces |
Who makes Thumpr Cam?
The COMP Cams engineering team called upon 30+ years of design experience to develop the Thumpr series of camshafts. The result of this effort is a series of performance camshafts that deliver the ultimate in modern performance and an incredible exhaust note.
How much HP does a stage 4 cam add?
Equipped with the Summit Stage-4 cam, the peak power output jumped to 568 hp, but peak torque dropped slightly to 510 lb-ft. If you look at the curves, the wilder cam offered more power above 5,500 rpm, but it lost out to the milder Comp cam below that point.
What are the specs on a mutha Thumpr Cam?
Mutha’ Thumpr 235/249 Hydraulic Flat Cam K-Kit for Chevrolet Small Block 262-400
- Camshaft Material:
- Assembly Lubricant Included:
- Engine Family: Chevrolet 262-400 c.i. 8 Cylinder (1958-1998)
- RPM Operating Range: 2,200-6,100.
- Grind Number: 287TH7.
- Cam Type: Hydraulic Flat Tappet.
- Lifter Style: Hydraulic Flat Tappet.
Are comp Thumpr cams any good?
For folks looking for a hot performing camshaft that delivers great performance and wild camshaft idle, the Thumpr Cams could be the right call. COMP Cams flat tappet Thumpr Cams offer the same great sound and power as their hydraulic roller camshaft cousins in an easy-to-fit flat tappet style.
How much HP can a cammed 5.3 make?
Equipped with the hot rod factory cam, the Strictly Performance 5.3L produced 428 hp at 6,200 rpm and 399.9 lb-ft of torque at 5,000 rpm.
What is a Stage 3 cam?
The Stage 3 cam is designed to work with some larger valves, port work, and upgraded carburetor or EFI system. This cam starts moving the power band a little higher in the RPM range (2500-6000). This is the biggest cam we recommend for a street application. It is used commonly in the race and hot street applications.
How much HP does a cam add to a 5.3 LS?
Run with a factory LS9 cam, the 5.3L combo produced 428 hp at 6,200 rpm and 400 lb-ft (399.9) at 5,000 rpm. After installation of the Summit Stage 4 cam, the peak power numbers jumped to 475 hp at 6,600 rpm and 418 lb-ft of torque at 5,300 rpm.
How does a Thumpr cam work?
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 horsepower can you get out of a 5.3 LS?
The cam is rated at an rpm range of 1,600-6,600 so off-throttle response is good and it makes great power at higher rpm. The stock 5.3L is factory rated around 320 hp with 340 lb-ft of torque.
What gives a cam a lopey idle?
For the low-buck street guy to get a lopey idle and see an increase in power without a drastic decrease in driveability, he needs a cam with a lobe-separation angle of 110 degreesthe same lobe lift as recommended earlierand duration numbers of about 218 degrees at .
How much horsepower will a Stage 3 cam add?
Stage 3 will have up to 40% more power compared to the stock setup, but to get there, you’ll have to complete the Stage 1 & 2 modifications, and mild big bore of the engine.
How much hp can a cammed 5.3 make?
