700whp 1.5JZ @ 25psi

[Ric]

Who said the 1JZ head can't flow? Supraforums can shove that fake information up their A$$
http://soarercentral.com/sc-forum/messages/285/151869.html?1178197972

 

[Supraholics]

I don't think they said it can't flow, just that it can't flow as good as a 2J.

Nice numbers by the way!!!

 

[Van Diesel]

wow...700whp at only 25psi. that's bad ass!

 

[The Reaper]

dude that 1J head is ported to hell and has over sized valves....SF is talking stock for stock...get your shit straight

 

[Ric]

Isn't that what you're supposed to do?

Not bad for 264 cams.

 

[The Reaper]

well yea but the arguement is stock vs stock

 

[Ric]

Well of course the 2JZGTE head flows more then a 1JZGTE head stock... that's common sence. One motor is 2.5 liters, the other is 3.

A goal was to actually install a 2JZGTE head on my 1JZ...

 

[The Reaper]

higher displacement isn't gonna necessarily gonna flow more air.

hell some 4 bangers out flow the 7M and 1JZ

the head just has bigger ports...

LOL and yes the whole arguement was Stock for Stock...

 

[csnow]

Wow, the torque headed South! Nice numbers though. Gotta love the JZ motors, 1J, 2J, or 1.5J

 

[Shadow]

I've always thought of it as a known fact that the 1J head flows better then the 2J head (stock) and that's why people do 1.5's. I've heard that from severat people. Even 2J guys with high horsepower have told me that. I always thought 1.5 was the best way to go. That's from word of mouth though. I haven't seen any kind of flow test numbers comparing the two to prove it. Has anyone who is making these claims? I'd like to see the hard facts!

 

[mattjk]

yes and no.

it flows less air, but has a higher velocity. that's why the 1jz is so responsive with the stock twins.

i love Ric's idea... put a 2jz head on the 1jz bottom.

 

[Shadow]

I'm curious as to what that set up would do. Has anyone done that? Someone go buy a 1J and a 2J, then swap the heads with each other and put them each on an engine dyno. What would the results be I wonder? Any opinions?

 

[SupraOfDoom]

I remember reading about the 2JZ flowing more then the 1JZ head.. but I don't know if the person who posted it is reputable.

 

[csnow]

I still believe anything over 500 on the street is wheel spin or just a highway/dyno queen. The 1.5 is a great alternative to the lack of low end response of the 1J. Even if the 2J flows better or more air, the stock 1J head can get into the 500's with cams all day. I would have gone 1.5 but I found a deal I couldn't pass up on a full 2J. All three motors are sweet.

 

[IJ.]

I'm curious as to what that set up would do. Has anyone done that? Someone go buy a 1J and a 2J, then swap the heads with each other and put them each on an engine dyno. What would the results be I wonder? Any opinions?

Do it....

 

[The Reaper]

do it dude

 

[Jaguar]

Does this argument really need to pop up every 5 minutes? This is as bad as the old 7m vs. 1j threads. C'mon guys. Very few 1jz owners would turn down a free 2jz motor because the 1j head flows better/faster, or even is more responsive.

People don't go 2jz for head flow, they go for more power, super responsiveness, and 900+ hp on a stock bottom end. Damn the head flow argument. Save your money and buy the better motor! If you can't afford the better motor, shut the hell up and enjoy what you got.

 

[Shadow]

Yea sure I'll do it! If I happen to stumble apon like 5 g's! Ah, only if I were wealthy and had money to blow, I could do every project I've ever thought of. :icon_neut

 

[Ric]

Ok, you can do 900hp on a 1jz stock bottom end too....

People go 2JZGTE because the "bigger is better" mindset


Oh, and because the 2JZGTE pwns all in fast and the furious

 

[Shadow]

Does this argument really need to pop up every 5 minutes? This is as bad as the old 7m vs. 1j threads. C'mon guys. Very few 1jz owners would turn down a free 2jz motor because the 1j head flows better/faster, or even is more responsive.

People don't go 2jz for head flow, they go for more power, super responsiveness, and 900+ hp on a stock bottom end. Damn the head flow argument. Save your money and buy the better motor! If you can't afford the better motor, shut the hell up and enjoy what you got.

Wow. This guy seems to be pretty heated about the subject. This is a forum and these kind of conversations is what forums are for. :thefinger