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HPI Racer2 takes on the speed challenge

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Old 11-18-2009, 02:50 PM
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Default HPI Racer2 takes on the speed challenge

As some of you might have heard, I took a trip to the USR speed challenge this weekend in Fontana and I took a few of my toys with me. As always, I took a couple of my HPI Racer2s along on the trip. One with a 21 and one with an 18. Well, we managed to take both trophies home for Big Block and Small Block along with setting new records for each class. The 21 powered one pulled 101.46 and the 18 powered one pulled 89.96. As well the large scale class with my FG Baja which pulled a nice 97.96. This done with a double speed trap at a sanctioned event. No radar guns or GPS. Info can be found on the rc-isc.com site.
Old 11-18-2009, 07:12 PM
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Default RE: HPI Racer2 takes on the speed challenge

You Are the Man!!!![sm=thumbs_up.gif]
Old 11-18-2009, 07:14 PM
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Default RE: HPI Racer2 takes on the speed challenge

CAN YOU SHARE WHAT YOU DID TO YOUR 1/5 SCALE TO GET IT TO RUN THAT FAST??
Old 11-18-2009, 11:46 PM
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Default RE: HPI Racer2 takes on the speed challenge

I can tell you but I'd have to kill you

Just kidding. Motor, gearing and a lot of patience. Keep it clean, tuned right and run the right oil.
Old 11-19-2009, 07:15 AM
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Brent Davis
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Default RE: HPI Racer2 takes on the speed challenge

Great, great stuff Got__to__100. The .21 RS4 clearly shows the bigger engine will always prevail or shall I say SHOULD when properly tuned/geared to do so. What .21 engine was in there and what tires did you use? The .18 ran great too I see. I am not a fan of the bigger cars but that thing ran fast too.

Got any photos of the cars?

BTW, how did Ziggy do?
Old 11-19-2009, 09:33 AM
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Default RE: HPI Racer2 takes on the speed challenge

Brent
ORIGINAL: Brent Davis

Great, great stuff Got__to__100. The .21 RS4 clearly shows the bigger engine will always prevail or shall I say SHOULD when properly tuned/geared to do so. What .21 engine was in there and what tires did you use? The .18 ran great too I see. I am not a fan of the bigger cars but that thing ran fast too.

Got any photos of the cars?

BTW, how did Ziggy do?
I don't believe Ziggy was there.
Old 11-19-2009, 09:36 AM
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Default RE: HPI Racer2 takes on the speed challenge

ORIGINAL: Got_to_100_now_die_hatin

I can tell you but I'd have to kill you

Just kidding. Motor, gearing and a lot of patience. Keep it clean, tuned right and run the right oil.
........... Already a deadman walking but Can you share what kind of oil you used in your 1/5 scale or is that a secret too??
Old 11-19-2009, 10:00 AM
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Default RE: HPI Racer2 takes on the speed challenge

Next year" Got to 100mph" are you going up in size to the 62cc for 1/5 scale??
Old 11-19-2009, 01:22 PM
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Default RE: HPI Racer2 takes on the speed challenge

Nice going Got to 100. Your 102mph beats my 100mph for a big block so I'll list you as the record holder. I still retain the 103mph for the open and 94mph for the small block.

I've built a new small block, big block and am working on the open IC cars. I'll let you know what speed they get

Cheers
Old 11-19-2009, 02:19 PM
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Default RE: HPI Racer2 takes on the speed challenge

Got to 100 what brand motors did you use in your 2 cars??
Old 11-19-2009, 11:05 PM
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Default RE: HPI Racer2 takes on the speed challenge

The 21 powered car has a JP Black and the 18 powered one has an 18TZ
Old 11-20-2009, 12:48 PM
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ORIGINAL: Got_to_100_now_die_hatin

The 21 powered car has a JP Black and the 18 powered one has an 18TZ
JP has some badd ass engines. In fact I just got two new JP's modified by RBmods. One is a R03 and the other is the R07. Both share the same HUGE ports on the sleeves, piston and rod but the R03 has a 14mm crank and the R07 uses a 14.5mm crank. These will be for drag racing and I must say that they ARE NASTY thus far.
Old 11-20-2009, 02:04 PM
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Default RE: HPI Racer2 takes on the speed challenge

Brent , how has your drag racing season been so far?? Are you still smoking people with your twin plug drag motor?? I have just finished making a 2 speed tranny for my MCD . Now I need to put in my alloy parts break in my motor and try it out.
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Old 11-20-2009, 02:20 PM
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Default RE: HPI Racer2 takes on the speed challenge


ORIGINAL: Brent Davis


ORIGINAL: Got_to_100_now_die_hatin

The 21 powered car has a JP Black and the 18 powered one has an 18TZ
JP has some badd ass engines. In fact I just got two new JP's modified by RBmods. One is a R03 and the other is the R07. Both share the same HUGE ports on the sleeves, piston and rod but the R03 has a 14mm crank and the R07 uses a 14.5mm crank. These will be for drag racing and I must say that they ARE NASTY thus far.
Nice, Mines were done by RB as well some time ago. I've had that motor for 3 years now although I dont run it often.
Old 11-20-2009, 11:08 PM
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ORIGINAL: Got_to_100_now_die_hatin
Nice, Mines were done by RB as well some time ago. I've had that motor for 3 years now although I dont run it often.
Oh man that is even better to know that Rick did your motor that ran that record time. Rick's modified Kangaroo engine won the IMDRA Funny car/Pro-Mod 2009 points Champonship this year as well.

nitrohead, yep it is working very well right now and I am ready for the 2010 season now.
Old 11-21-2009, 06:39 AM
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Default RE: HPI Racer2 takes on the speed challenge

I expect you to be setting some records good luck.
Old 11-21-2009, 09:23 AM
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Default RE: HPI Racer2 takes on the speed challenge

ORIGINAL: nitrohead5300

I expect you to be setting some records good luck.

Got_to_100, you got any photos of the cars that you care to share? What JP engines do you have as far as model? You can get the any of the engines already modifed by JP or get the same part numbers but with an "S" on the engine to signal that it is a stock version unmodifed. Do you have a R03 with the 14mm crank or a 14.5mm crank version? IMO, you would benefit to make a faster top end pass like what you have done using a 14.5mm crank version since it will wind out further with that extra .5mm on the crank and with those HUGE azz ports on the sleeve. I am happy for you man and especially to know that my bonafide, never leave him engine modifier did your engine. That is great news and to know that it was modifed a while back. Rick has some new mods for these engines now though. You might wanna try one of my dual plug buttons out to make even more power.

Don't know about setting records just yet nitrohead. I am building my own Pro-mod chassis that will mimic a NTC3 drivetrain but using the LD3 steel gear system instead. No company makes a 2-speed "SHAFT" driven car for drag racing only so I am on my own. The new Walbern chassis has been great thus far and I expected nothing less otu of it the last few track sessions. I have not bettered my old car's ET but I will. A 1.82 thus far and the car is spinning like crazy. The belt system on the walbern chassis is fine but you HAVE to keep spare belts on you because they do strip and/or break therefore I am going to go for the steel gearset using a one-way diff. Here's the latest car using a Kangaroo.



A shot of it with the dual Merlin turbo plugs in it. I no longer have that air filter system on it though. It was a restriction believe it or not.
Old 11-21-2009, 11:20 AM
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Default RE: HPI Racer2 takes on the speed challenge

Got_to_100, is the .18 TZ modified by Rick at RBmods too?
Old 11-21-2009, 11:59 AM
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Default RE: HPI Racer2 takes on the speed challenge

Looking good Brent!! Keep me posted on you shaft design drag car sounds interesting and I believe you could make it work too.
Old 11-21-2009, 02:22 PM
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Default RE: HPI Racer2 takes on the speed challenge

Brent, Im not sure which model it was since I've had it for 3 years now and the head was changed the same day it was purchased. I actually purchased the motor already done by RB but I do have an local engine modifier thats been doing my motors since.

Nitrohead, You'd be surprised to know that the 18TZ came off the shelf 4 days before the event and is not modified. Its all in the car. I'll post pics later.
Old 11-21-2009, 02:28 PM
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Default RE: HPI Racer2 takes on the speed challenge

What got to 100??!! The 18TZ was un modded?? That is impressive!! My .18 TZ was stupid fast in my V1RRR too. Yes I would like to see pictures of your championship winning cars.
Old 11-22-2009, 06:26 AM
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Default RE: HPI Racer2 takes on the speed challenge

Small block pics

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Old 11-22-2009, 06:37 AM
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Default RE: HPI Racer2 takes on the speed challenge

Big block pics
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Old 11-22-2009, 06:38 AM
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Default RE: HPI Racer2 takes on the speed challenge

Big block pics 2
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Old 11-22-2009, 06:43 AM
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Default RE: HPI Racer2 takes on the speed challenge

Large Scale pics. Sorry but no inside pics. Didnt want anyone to know how I have my Flux Capacitor, Helium to Gasoline converter or my Fusion Transponder mounted.
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