b16 or gsr head??

onesikteg

New Member
in order to build a reliable ls vtec build wat head is better a b16 head or a gsr??? im still not deciding...having a hard time here:???:
 

Samurai_Blue

Yolo Whippin'
b16 flows better at certain points but its minimal. gsr with a PnP will be able to keep up with a b16 head. its just a different cast which allows better flow
 

onesikteg

New Member
so their both practically the same? the differences are the compression ratio..so gsr is still better...
 


tilegend

New Member
no they're not practically the same. when it comes to flow, its very similar... but there are differences between the 2 heads. did you read the link i posted?

and don't automatically assume higher compression ratio is better
 
Last edited:

dc2GS-R

Super Moderator
kuro300 said:
... gsr is better period b16 has higher compression yet you will use more gas
Click to expand...
The GSR head will create higher compression. It has a smaller combustion chamber and large quench areas
 


8urcivic

ONLY couches pull out!!!!
Samurai_Blue said:
b16 flows better at certain points but its minimal. gsr with a PnP will be able to keep up with a b16 head. its just a different cast which allows better flow
Click to expand...
On the all-out killer heads, our best head based on a B16 casing will outflow an equivalently prepared GSR by perhaps 5 cfm at .500 lift and that's not enough to cause one to out perform the other in the real world.



so in all reality. your "pnp" job is highly unneeded.

throw an aftermarket intake mani on the gsr head and call it a day.

unless you get a hold of a type-r head, you dont have to worry about this so called flow issue that everyone whines about.
 

Samurai_Blue

Yolo Whippin'
8urcivic said:
On the all-out killer heads, our best head based on a B16 casing will outflow an equivalently prepared GSR by perhaps 5 cfm at .500 lift and that's not enough to cause one to out perform the other in the real world.



so in all reality. your "pnp" job is highly unneeded.

throw an aftermarket intake mani on the gsr head and call it a day.

unless you get a hold of a type-r head, you dont have to worry about this so called flow issue that everyone whines about.
Click to expand...
thanks for the extra info ricky!

and heres the flow chart

 

BrokenTalon27

W.F.O
The only issue I'd concern myself with is if you plan to use the stock GSR manifold you need a p72 ecu to work the secondary butterflies. If you're going with and aftermarket IM, I'd get whatever is readily available, in better condition, and best prices.
Also, I believe you'll have to get an ITR throttle cable to use the GSR IM and tb in a G2.
 
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