g200 question

[Highlander]

ok the g161 head on the g200 revs harder apparently but is there anything you can do to the g200 head so it doesnt disadvantage it ie. bigger ports ?

[Josh]

mateeee, A G200 with no head would rev harderst!!! what do u excatly meen my rev harder?

[tx1975]

the g161 head wil up the compression but wont change the way the motor revs much, the early tx head had the smallest chambers.

[Highlander]

then theres no harm in having the g200 head shaved down a wee bit ive looked through the old forum on behalf of this swap and still dont see the upside of a g161 head if you can make the required mods to the g200 one

[S N 3 A K Y]

An engines ability to rev high efficiently pretty much comes down to....

Mechanical inertia
Low rociprocating mass
Cam design
Port design
Combustion efficiency

S N 3 A K Y

[tx1975]

cause g200 heads are worth more than g161 heads, so why bugger one up when u could sell it and get cheaper g161 head, air injected tg and early tx heads have bigger valves and better port design than the 200 one to.

[Highlander]

ive shortened the path of water channel by turning the heater hoses back through the engine not sure if itd give the g200 cooling problems as it is without having a g161 head which i hear blocks part of the water channel from the block.