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Roto Grip® strives to give you the Ultimate in High Performance bowling balls the Pure Fuel™ delivers a high octgane boost to your game.

We took the   Cyclotronâ„¢ core from the original Fuel and Top Fuel and modified it to deliver more power and energy at the breakpoint.  This translates into superior mid-lane reaction combined with intense backend force.

The Ultimate Gripâ„¢ Pearl Particle coverstock gives you smooth acceleration through the heads with strong mid-lane and explosive backend reaction.  The coverstock is easily adjusted with the use of scotch-brite pads and polishes.

Specifications

Factory Finish  1500 Polished  
Radius Of Gyration  Medium (2.55)  
Differential  High (.056)  
Lane Condition  Medium Oil  
Flare Potential  7+ Inches  
Length  14 On A Scale Of 1-20  
Backend  20 On A Scale Of 1-20  
Coverstock  Ultimate Griptm Pearl Particle  
Available Weights  14-16 Lbs.  
Weight Block  Cyclotron Core IItm  
Color  Copper Pear / Ethanol Gold  
D-Scale  73-75  

The Pure Fuel has the most backend of all the balls in the Fuel line.   The balls works best on medium to medium heavy oil conditions.  When the big hooking equipment is too strong, this is a step down ball you can go to.  The pearl cover helps get the ball down the lane.  When the ball comes out of the oil, it revs up quickly and gives a strong finish to the pocket.  People with a strong hand will be able to get the ball to flip.  End over end players will get a solid arcing finish.  If the outside of the lane dries up, but there is still oil deep, you can go deep send the ball wide without worrying about the ball rolling out.  The ball used was drilled 5.5 X 4.

Update:  Had a chance to throw the ball a little more and got some of the box finish off the ball.  It is starting to hook more and finish harder.

Lets just say this might be the best Rotogrip ball yet.
Drilled it 5x4 with the mass bias in the strong position. Pretty much over the label. Lane condition was your basic 10-10 with decent backend, slight carry down around the track area.
This ball was real clean through the heads, effortless, with a strong read at the end of the pattern, around 38 feet, then a big hook that did not stop until it was in the pit. By comparison, my Fuel does not finish as hard due to the fact that it burns more energy in the front.
The 10-10 pattern was too short for this ball. I need either more lenght or more oil to the right for the Pure Fuel. I really had to take a lot of hand out to get to the pocket but it still finished strong. Just for giggles I decided to see what would happen if I jumped on it. From left gutter to the 10 board, ball would not skid any farther right, and then the ball crossed over.
This is a seriously strong ball that clears the front easily. Awesome. A 10!

Had a ball with a 2.5-3" pin & 3.36 TW. I drilled it with the pin 2" from the PAP with the x-hole on the PAP (Axis Pt. 5 7/8 over 1/4up). It finished with about 3/4 Pos side. Also put it in the Lustre King for 5 minutes to give it a nice shine. I just have one phrase to describe this layout for me.

OH MY GOD!!!!

If you are a fellow boomer and you are looking for something that will allow you to play the wet/dry better, YOU NEED TO TRY THIS LAYOUT! I could kick myselft for not trying this one sooner. For the PBA Patterns, I could see this matching up well with Patterns A, C and D really well.
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Tony Walton
Roto Grip Staff Member

Getting ready for the fall/winter so I punched up a Pure Fuel to go with a new Solid Sonic-X. Have enough games on them to offer a quick review.

My PF came pin-in with about 3oz of top. I've been looking to drill a strong ball with the pin right under the bridge so that's what I did with this one. Makes for a 5x5 drilling. Placed the MB on the gripline as well. Went out to bowl in my home center on a fresh condition.

With the factory cover prep the PF cleared the fronts, read the midlane and turned strong. This surface did bleed a bit of energy and I was leaving some corners. It was basically standing up too early which is expected with the aggressive coverstock and drill pattern I used.

Squaring up a bit solved the weak carry and I ripped off 6 games all over 220. Good stuff, errant pitches to the left would hold and crush the rack and misses to the right would come up and sweep the pins away. Nice predictable reaction with very nice carry. The PF hit keeps the pins low to the deck and just crunches them away.

Next session out with the PF I decided to see if I couldn't get a bit more movement and create some additional area. Chucked it into the lustre king for a few minutes for a bit of shine. PF now goes a few feet further down the lane and has a more angular breakpoint. Compared to the factory coverstock prep I was now able to move left and send it out without having it stand up too early. Ripped off another 6 games in the 220+ range. Again, very predictable reaction and nice correction on errant tosses left or right.

Overall I'm very happy with this ball and expect to use it a lot when conditions permit more aggressive equipment. Comparing to other Roto equipment in my current arsenal I'd say it's similar to the Pearl Assault except with better control. Overall board coverage I'd put it between the solid silver streak and below the particle streak.

In summary a very nice arsenal addition and should make for a killer league ball on the typical house condition. As others have noted in this forum, the PF is yet another winning ball from RotoGrip

Mark Curran


 

My go to ball out of the bag. This ball is so smooth through the front part of the lane and hits with a huge amount of force. This is can be used on a wide variety of conditions. Great addition to the Roto Grip line.

Purchased a 15 lb. Pure Fuel on 10/29/03 and my average with it is 206.  Very pleased with the backend reaction and acceleration to the pocket.  Had it drilled by a pro, so I know nothing about drilling specs, but who cares? It comes out of my hand very clean.  

Lighter hits have resulted in many more strikes.  Have had to move left 5 boards on approach.  When I hit the 9th board under medium oil conditions the ball explodes to the pocket.  

Would highly recommend to anyone who can control a fairly decent hook and wants a harder hitting ball. Money well spent, and prize money won thus has recouped almost half the cost.

 I bought one of these last season about midway through the season, and it boosted my average by about 10-15 pins. I think its the current best of the roto grip balls for most lane conditions. I am a stroker, medium speed,low to med revs player. For me, the PF reads the condition very well! It goes effortlessly through the heads, rolls up at about 35' stands up and turns hard into the pocket. I have talked to many power players as well, and they say this is their favorite as well. Unless you bowl on a flood, or throw the ball 200 mph, this ball has honor score written all over it! I really cant find a weakness, except sometimes it has trouble finishing thru the carrydown. Im sure a slight sanding would easily deal with that however.
          Overall,  9.5/10   Get one and score high, its a keeper!