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Author Topic: 2003 Healthy LTZ400  (Read 899 times)

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2003 Healthy LTZ400
« on: October 17, 2012, 11:55:14 pm »
95 bore, +5 crank, P&P, 13.7:1 JE piston, RHC Ferrea +1 intakes valves, DRZ valve springs, RHC #187 cams, no air box, Sredrum TB 42mm FCR, RAT stack, WB fuel screw, EMN needle, quick shot, 06 clutch 450r drive plates w/trx400 ex springs, C2HB,Barker Performance pipe, DRZ flywheel, dynatek FS.



Pretty damn impressive for a 'LTZ400'
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Re: 2003 Healty LTZ400
« Reply #1 on: October 18, 2012, 07:10:33 am »
that s amazing for a 400
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89 zilla Bartlett racing Dune Porting,42.5mm rx'd carb,DrQ pipe, vf3 reeds
 89 lt250r custom frame with Bartlett racin Dune Porting, DR Q pipe, zilla carb, vf3 reeds
 00 426ex 12:5 comp, stage2 cam, full yosh exauast, +2+1 a arms, +2 lons

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Re: 2003 Healty LTZ400
« Reply #2 on: October 18, 2012, 09:02:07 am »
I have a DRZ400E - It is a great dirtbike motor. This motor would freaking rip!!
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Re: 2003 Healty LTZ400
« Reply #3 on: October 18, 2012, 09:07:46 am »
Ryan (Milehi) had a Z that was supposedly pretty impressive as well.... With enough $$, seems like people do some impressive things w/ them...
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Re: 2003 Healty LTZ400
« Reply #4 on: October 18, 2012, 12:27:14 pm »
That is pretty good for a Z. I've been debating about getting one. Maybe I'll have to for the GF  ;D
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Re: 2003 Healty LTZ400
« Reply #5 on: October 18, 2012, 12:35:55 pm »
That's a healthy list of mods.

Can you let on how much something like this runs $?
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87 HPR LT500
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87 LT500
85 & 86 LT250
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Re: 2003 Healty LTZ400
« Reply #6 on: October 18, 2012, 01:14:01 pm »
Dez -

ALLOT OF $$$$

+5mm Stroke and a 95mm Bore, I would think this motor is a ticking time bomb.
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Re: 2003 Healty LTZ400
« Reply #7 on: October 18, 2012, 01:33:57 pm »
Heh, money is a bad question on these.  To make the 400's 450's and 700's get up there in HP, it takes A LOT of invested cash.  I can only give numbers from my own experience with my 450....

Big 3
$250 - Intake Kit
$270 - Fuel Injection Computer
$570 - Exhaust

Big 4
$325 - Cams

More
$150 - Throttle Body Mods
$800 - Valves, springs, grinding, porting
$500 - Crank balanced & mods
$250 - Piston & mods
$180 - Rod

Ball park for this build is around $3500.  Of course the 400 above has quite a bit MORE custom parts and with that is quite a bit more money.  Figure some of the hill shooter 700's out there have $15k in aftermarket goodies!

And yes, these motors are so pushed to the edge of limits that they won't last long!
This is just cost on parts and some labor.  You have to factor in gaskets, builder costs (if you use one), etc....
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Re: 2003 Healty LTZ400
« Reply #8 on: October 18, 2012, 04:26:15 pm »
my borthers 400ex i biult with a 426 big bore stage 2 cam porting chip. and that was like 1500
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89 zilla Bartlett racing Dune Porting,42.5mm rx'd carb,DrQ pipe, vf3 reeds
 89 lt250r custom frame with Bartlett racin Dune Porting, DR Q pipe, zilla carb, vf3 reeds
 00 426ex 12:5 comp, stage2 cam, full yosh exauast, +2+1 a arms, +2 lons

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Re: 2003 Healty LTZ400
« Reply #9 on: October 18, 2012, 07:06:59 pm »
Man that's a lot of green backs.

For a 2stroke like the Zilla:
Pipe/silencer = $400-1000
Porting/head mods = ???
Carb/mods= ???
Crank balancing = ???
air filter adapter/filter =???
Anything else?

Comparing the two, it appears that building the Zilla to be cheaper?
Long live 2 strokes!
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87 HPR LT500
04 Roll LOBO II TRX250R
06 LTR450
87 LT500
85 & 86 LT250
86 & 87 TRX250R
07 & 09 Husqvarna TE450
00 CR125R

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Re: 2003 Healthy LTZ400
« Reply #10 on: October 18, 2012, 07:56:40 pm »
Oh ya, the Zilla is cheaper.
Zilla

$2500 Purchase Price Zilla
$1000 Pipe
$150 Modified Stock Carb
$175 Intake System
$175 VF2 Reeds

$4000 and you would have a pretty fast machine - Figure 55-60HP rear wheel.  Of course doing this will now start having the other parts of the engine be under more stress and will fail, so that is why getting the reliability mods is a must do in my book.  I don't like going back to camp on a strap!

Modern 4 stroke

~$4500 for a clean 700 Raptor (38 HP engine stock) http://orangecounty.craigslist.org/mcy/3348799707.html
$900 Barkers Dual Exhaust
$250 FCI Intake System
$300 PCV Fuel Programmer
$200 Hotcam II or such

$6200 and you have a good Raptor (~55 Rear wheel HP)

You really need the aftermarket cam in the Raptor because the stock one sucks and stops making power around 6K RPM.

Beyond these levels, you start spending 1k here and 1k there and it adds up quick.

IMO The 700 and the Zilla stock suspension are pretty darn good (at least for Glamis dunes).  You want to go faster riding, then spending money on the suspension first will be a good starting point.
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