* Disclaimer: OveReview is reader-supported. We earn commissions from qualifying purchases
Comp Cams CL31-601-5 Thumpr 227/241 Hydraulic Flat Cam and Lifter Kit for Ford 221-302

Comp Cams CL31-601-5 Thumpr 227/241 Hydraulic Flat Cam and Lifter Kit for Ford 221-302

Comp Cams CL31-601-5 Thumpr 227/241 Hydraulic Flat Cam and Lifter Kit for Ford 221-302
$ 196.95

Score By Feature

Based on 12 ratings
Packaging
9.65
Delivery
9.52
Giftable
9.40
Value for money
9.71

OveReview Final Score

How Our Score Is Calculated

Product Description

Stock converter works with a high performance street car, but the best converter and gears are those with a 2000+ rating. The idle is choppy or thumping.
Range of operation is between 2,050 and 5,800 RPM
The duration of this two-part video is 227/241 minutes. This is "050". There is a 107 degree separation angle between the lobes
The lift value of 476 valves
For a powerful, highly resonant exhaust note, the intake valve should open early and the exhaust valve should last a long time. The best conversions use aftermarket converters with two or more rear gears.
The best choice for muscle cars and street rods - Three different cam designs the Thumpr, Mutha' Thumpr, and Big Mutha' Thumpr provide excellent horsepower increases and broad torque curves.
The kit comes with OE flat tappet cams for Ford 221-302
The USA was involved in its manufacture

Questions & Answers

What is the compatibility of this product with a stock valve spring?

No, I absolutely do

It looks like it might fit a Ford ?

Designed for Ford 221, 260, 289 and 302, this camshaft is a great choice. Engines from 1963 to the present You are viewing a hydraulic flat camshaft for engines that came with hydraulic flat cams originally. There are two firing orders for this camshaft 1 and 2. In case you're seeking a hydraulic roller camshaft for a Ford 5, we've got it! When looking at the camshafts that start with the "35-" in the 0.0-HO engine, first look at the hydraulic roller camshaft, then look at our hydraulic roller camsights Prefix the sentence with an ".".

What is the fitment of this part for a 1994 351W?

The answer is probably yes, but there may be better alternatives.

Can you please tell me which pushrods ?

In general, we recommend measuring the length of the pushrods when installing that camshaft, but we recommend the 7831-style pushrods for that camshaft. The pushrods have 16 threads.

Selected User Reviews For Comp Cams CL31-601-5 Thumpr 227/241 Hydraulic Flat Cam and Lifter Kit for Ford 221-302

You can watch Thumper Cam
5/5

I think this is a fantastic idea. This is a strong runner. Then and now I am very pleased with the price and the camera. I like what you have said. Sound quality was a deciding factor for me and I Here is a video you can watch. I have a Ford 289 with a holley 4 barrel carburetor. This is a header for the headman. There is an old glass pack.

Colten Leach
Colten Leach
| Jun 10, 2021
There is no match for this price
5/5

The price for this kit was $60 less than one of the big online performance shops just for the camshaft!.

Devon Cervantes
Devon Cervantes
| Oct 04, 2020
This is an awesome camera
5/5

All hotrods are scared when they hear the sound. This is an awesome camera. All hotrods are scared when they hear the sound. I'm getting a good pull. This is a very good.

Reece Meyer
Reece Meyer
| Aug 25, 2020
As far as I can tell, the name is correct
4/5

I think it's okay. As far as I can tell, the name is correct. The Thumper is all over the place. A very impressive sound has been created. On the down side, there is a low vacuum. To get my carburetor tuned, I have to retune it.

Ramon Barrett
Ramon Barrett
| Dec 16, 2020

Related Products For Comp Cams CL31-601-5 Thumpr 227/241 Hydraulic Flat Cam and Lifter Kit for Ford 221-302