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Engine Mod "squish band"

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naije82

New Member
guys

at really t135 block cant lear,or polish...so when scrah at piston in block we have 2 change new 1...
 

hawkeye135

New Member
. . .

hey guys! it' sme again. talking about the worst case scenario that uv'e been talking about, it depends on how u set it up. If your not confident enough to do it. then don't do it, coz you might just end up with ur worst case scenario. we've already used diff. kinds of high octane gas and i'm already using this set-up on my bike for almost 1 and a half year. and nothing bad has ever happened on my engine and the other bikes the we used this kind of set-up. we originally got this set-up from our team's racing bike. almost all of our team's member are using this, even for everyday use of the bike. there were no contact of the valve and piston. that's why ill tell you that there would be no side effects. . .
 

silencer

New Member
guys cut the f**kin crap!!!!
The reason i bought T135 is bcoz of its style and comfort. and gave it a 10 out of 10 rating in Cornering.


ITS NOT MEANT FOR SPEED..... WE'L EAT DUST AGAINST Suzuki R150

I think the problem is the TORQUE of t135, Disappointingly LOW
 

X Project

Super Veteran
Traxx, squish band gives you more compression but I don't think that doing something on your original block would be a good idea... Why don't you try replacing the stock pin to pin 2-3 then valvepocket but I must warn you beforehand, that it really is a lot of job if you're not really into racing... But why would you like to shave your block if you're not into racing...
 

haen

Super Veteran
i got the big valve kit using 27 mm inlet and 23 mm exhaust.. valve angle change only required for valve size above those.. 30 mm and 25 mm..
 

stroker

Veteran
haen said:
i got the big valve kit using 27 mm inlet and 23 mm exhaust.. valve angle change only required for valve size above those.. 30 mm and 25 mm..
Haha. You sure bro? 27mm inlet valve for T135???? WOW. How can it be done?? Ha. Hadn't seen one EVER done before.

The problem is not only the angle bro.. Its the space between the two inlet valve. 23mm is the biggest you can go. I'll like to be proved wrong. Cos it'll be orgasmic to see a big valve on the T135 bigger than the 23mm I'm already doing.

2 pence.
 

stroker

Veteran
X Project said:
Traxx, squish band gives you more compression but I don't think that doing something on your original block would be a good idea... Why don't you try replacing the stock pin to pin 2-3 then valvepocket but I must warn you beforehand, that it really is a lot of job if you're not really into racing... But why would you like to shave your block if you're not into racing...
Installing a 3mm crank pin involves a shit load of other very crucial, careful and tedious modifications. Not for the inexperienced nor the faint-hearted.
 

stroker

Veteran
traxxas-modifier said:
bro haen can you show how this works?

do we just change the intake and exhaust valve and its ok?
No bro. Not simple at all. Involves ALOT of very critical measurements and modifications too. Especially if you're using high cam or high dome piston. Need to change a valve seat for the intake valve as the stock valve seat is too small. Need to re-grind all 4 valve seats to suit the bigger valves.
 

stroker

Veteran
Closing up the squish clearance is good. But you gotta know what you're doing. If you never install high cam or high dome piston, there'll be no need to deepen valve recess pockets.

But most importantly is how much clearance to leave... if you follow the specs given by the link provided by Traxxas two-stroke YPVS squish page, you're really risking it. 4 strokers require a different clearance than the 2 strokers.
 

haen

Super Veteran
ok, i'have took the picture of the big valve head.. enjoy..
anybody wanna ?..



the left side is the stock T135, right side is 27,5 mm IN and 23 mm OUT...



and this (NO 2) is using 5,5 mm rod diameter valve..
 

traxxas-modifier

Super LOLO
Staff member
haen

youve got bigger picture resolution of that?


is there such thing that sells the whole head plug and play?
if there is pm me...
 

stroker

Veteran
haen said:
ok, i'have took the picture of the big valve head.. enjoy..
anybody wanna ?..



the left side is the stock T135, right side is 27,5 mm IN and 23 mm OUT...



and this (NO 2) is using 5,5 mm rod diameter valve..
Looks not bad.. Yeah, like traxxas said, you've got a higher resoulution pix of that? Anyway, the photos were scanned from some other sources.

The pix are too blurry, can't tell. But from the photos, I don't think the head on the left is a stock T135 head.

Look at my photoshop-compared image. They're the same intake valve size.


Anyway, if what u said was true, that the intake valve was indeed 27mm (impressive), then you'll need a different rocker arm/ modify the rocker arm extensively.

On the same note, the 71x76 engine Olivier did is only using the Thai-made 22x19 valves. This goes to illustrate how difficult it is to go beyond 23mm inlet valves.
 
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