trnthecomptinblue
Veteran
Has any one installed Holtzman carb springs on a nitro, and if so what difference did you noticed. I am intrested in them but wondering if they work. How are the to install are they pretty easy and not to compilcated. Thanks..
Aaron Eh
Extreme
I have installed them. It's not hard to do. I haven't run the differnet springs back to back in the same conditions so it's hard to say what the differences are.
pro116
Lifetime Member
It takes me about 5 minutes install on all 3 carbs.
There is slight gain with the green springs and silver springs.More so on the green.If I remember correctly I gained about .200 in a 1/4 mile on asphalt.
There's not alot of gain but everything adds up.For the price I would install them and get a set of cr10ek's right away.
www.ulmerracing.com sells both
There is slight gain with the green springs and silver springs.More so on the green.If I remember correctly I gained about .200 in a 1/4 mile on asphalt.
There's not alot of gain but everything adds up.For the price I would install them and get a set of cr10ek's right away.
www.ulmerracing.com sells both
powderpimp1
Expert
WILL IT MAKE A DIFF ON THE TRAIL?
woolyviper
TY 4 Stroke Master
- Joined
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- 2009 Yamaha Phazer RTX
My son put them in his Nytro - seems like the throttle response was better - I beleive he also put in the cr10ek plugs at the same time.
every little bit.
every little bit.
sledds snow girl
Extreme
So you guys are suggesting green springs and CR10Ek's for better performance out of my rage. This could be an easy upgrade.
maxdlx
Lifetime Member
Just remember different elevations need different color springs. Wht Pro had success with at sea level may work terrible at 9000ft. Call Holtzman they are nice people to talk to. Maxdlx
06vectorgt
TY 4 Stroke Junkie
maxdlx said:Just remember different elevations need different color springs. Wht Pro had success with at sea level may work terrible at 9000ft. Call Holtzman they are nice people to talk to. Maxdlx
Or just reference their chart;
For Vector applications, use the Green springs for 0-4000 feet, Yellow for 4000-8000 feet, Red for 8000-12000 feet regardless of inlet (air box or filter application).
http://www.holtzmaneng.com/
pro116
Lifetime Member
I ran the greens in elevaton also as sea level they seem to work better.
I tested all the springs on the drag strip at sea level with timers and tested them all the way up to 12,500ft in the mountains.
I tested all the springs on the drag strip at sea level with timers and tested them all the way up to 12,500ft in the mountains.
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