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Old 09-20-2005, 08:56 AM   #1
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Cool motor and pip combo

I just wanted to no what .21 engines are people runing in there buggys and what pip are u runing
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Old 09-20-2005, 09:04 AM   #2
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I run a Collari B7 and a PRP 086 pipe. Or you could run the JP2. I tried an 063 and it was horrid on the bottom end.
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Old 09-20-2005, 10:11 AM   #3
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rossi p5 with rossi 086, unbelievable power and torque!
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Old 09-20-2005, 12:16 PM   #4
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I've been bouncing back and forth between the Sirio Kanai Edition II with a Sirio 2008 pipe, and the Axe Motor Rossi LSK with Rossi 2040 adjustable pipe.
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Old 09-20-2005, 12:42 PM   #5
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Go with a P-5 and a Ofna O53 or JP-2 pipe.A collari B-7 is also a good motor,Go with a O.S. 2050 pipe on the B-7.V-specs have front bearing problems,You will end up buying a new bearing.If you do go V-Spec invest in a Novarossi front bearing and a O.S. 2050 pipe,Really good motor,but i think a P-5 is the best.

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Old 09-20-2005, 02:08 PM   #6
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Quote:
Originally Posted by Sofast-NT
Go with a P-5 and a Ofna O53 or JP-2 pipe.A collari B-7 is also a good motor,Go with a O.S. 2050 pipe on the B-7.V-specs have front bearing problems,You will end up buying a new bearing.If you do go V-Spec invest in a Novarossi front bearing and a O.S. 2050 pipe,Really good motor,but i think a P-5 is the best.

Land Bowyer
yes, the p5 is the best all around motor
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Old 09-20-2005, 09:11 PM   #7
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I have an os rg with a fioroni ot-mao3 pipe on it. It runs great plenty of bottom end power ok top end good fuel mileage also (6-7 mins on a tank). Also have a vzb with a t2050 and it is a monster it screams on bottom and top end also gets great fuel mileage (9-10 mins on a tank).I did have to replace the bearings at 2 gallons though.
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Old 09-21-2005, 09:17 PM   #8
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I have a OS rg , a RB s5 and a hyper .21 8 port race engine,,,,,,Im using a REX pipe wit these engines,,,,,,you guys think this is a good pipe for these or should I get a new pipe?
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Old 09-21-2005, 09:33 PM   #9
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The Sirio Kanai II and the Sirio 2008 pipe is awesome, crazy fast both lowend and top end. Like Waldron said. Awesome combo.
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Old 09-22-2005, 06:30 AM   #10
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My Kania 2 bogs on the low end. I get the engine tuned fine and then 4-5 minutes later it gets hot and starts loosing power and bogging. Whats up with this. I have a nova rossi carb on it.
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Old 09-22-2005, 08:10 AM   #11
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My Collari B7 does that too Homer. The Star motors take forever to warm up. After it gets hot and starts to act like that, keep running and retune for that temp. Both the Sirios and B7's like to run with the Mid screw 1-1.5 turns out from flush (adjust the LSN in the same amount).
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Old 09-22-2005, 09:06 AM   #12
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My B7 runs hot, and that's where it's happy. We tend to run a bit hotter up here because of our elevation but I generally run at about 270-280. The best pipe I've found for the B7 so far has been an 086. I personally run the PRP version. I tried an 063 and it was super boggy on the bottom end.
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Old 09-22-2005, 09:15 AM   #13
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Try backing out the Mid screw 1 turn and turning in the LSN the same amount. It helps balance out the LSN and HSN setting. Before I did that I was running too rich on the bottom to try to keep it cooler.
If you can get your hands on one, the os 2050 pipe is great on the B7.
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Old 09-22-2005, 09:41 AM   #14
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All of the B7's up here run hot. Alttitude plays a big part in that. We have quite a few of those engines up here. It doesn't matter too much what we do. To get them to run properly, they run hot. There's still plenty of blue smoke so their burning plenty of oil. That's all I really ask for. That hot isn't going to do anything to the engine. It's a perfectly safe temp for the metals that make up the piston and sleeve so I don't worry about it.

I haven't tried the OS 2050 pipe for myself but one of the other guys at the track did. He didn't like it too much. Just didn't seem to get the power out for the engine. I can't remember what he swithed too though. I would like something just a little softer on the bottom because my B7 is stupid. I have no idea why but my B7 has every bit, or more so, on the bottom than any of the B3's around here but it's pretty ballistic on the top. From the 12 guys running this engine locally we've found you get a good one or you don't. There's not really an in between with them. And with mine being like it is I burn off tires. I've adjusted my trigger finger a bit and it's helped but I would still like to try something that has the power available but controls it just on the initial pull so I don't spin the wheels.

That's only a pipe dream I know.
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Old 09-22-2005, 02:30 PM   #15
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how do u guys like the ops .21
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