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3rz extractors

Tech Talk for Cruiser owners.

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3rz extractors

Post by johno88 »

picking up my 3rz engine tommorrow and thinking about getting extractors and a 2.5 inch exhaust for it. any one done some thing simlar? power gains? cheers
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Post by berad »

The stock 3rz manifold/header is a decently designed tube header. Just put the new exhaust onto the back of it and save some coin.
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Post by Kingston_99 »

lol i have the 3rz engine in mine and i dont think there that great of an engine.

but i would just get the exhaust
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Post by Sic Lux »

Kingston_99 wrote:lol i have the 3rz engine in mine and i dont think there that great of an engine.
Drop some 4.3 or down to 4.88 diff gears in it, will poke along better
plenty of parts on the bench
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Post by bubs »

Kingston_99 wrote:lol i have the 3rz engine in mine and i dont think there that great of an engine.

but i would just get the exhaust
never driven a 22R then :lol:
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Post by Kingston_99 »

bubs wrote:
Kingston_99 wrote:lol i have the 3rz engine in mine and i dont think there that great of an engine.

but i would just get the exhaust
never driven a 22R then :lol:
haha naa, this is the only hilux i'v drivin. is orite but i dont think the 3rz is that great, if i was swaping an older engine for one of these i'd be looking at something beta like a V6 or even a V8.

Sic Lux wrote:
Kingston_99 wrote:lol i have the 3rz engine in mine and i dont think there that great of an engine.
Drop some 4.3 or down to 4.88 diff gears in it, will poke along better
ok im new to 4wd, if i run 33inch tires, wat would be a good diff ratio.
ATM im only running 31inch so im not to bothered about it.
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Post by johno88 »

just picked up my 3rz now :D the stock manifold looks pretty free flowing so ill ditch the extractors. is a 2.5 inch exhaust the way to go?
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Post by smaddock »

2.5in should be fine, it is a big displacement 4cylinder so wouldn't go smaller. As for mandrel bent vs press bent, not sure, I went mandrel just in case I turbo it later on (got the turbo manifold already :D ).
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Post by berad »

If you turbo it, id run a 3inch or bigger. even half a bar of boost is a shitload of air coming out of 2700cc motor.
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