heads
 

will a 2g head fit on a 1g block ??

RE: heads
 

Thats too narrow of a question.

Be more specific.

6 bolt, 7 bolt
Turbo, n/a
4g63, 420A

More information

RE: heads
 

i have a block from a 90 eagle talon tsi and the head from a 95 gsx will my head fit on the block??

RE: heads
 

what kind of talon?

RE: heads
 

tsi awd with4g63t moter

RE: heads
 

yes it will fit... and you are getting the upgraded 6 bolt block that came in the 92.5 models and before. (no crankwalk)

RE: heads
 

dont need more info it wil fit but ifyou are looking for a fast car down the road consider finding a 1g head

RE: heads
 

well i have the hwole 1g moter i just heard from a few ppl that the 2g head flowed better so i thought that it would be the be one to put on

RE: heads
 

thats the same thing i did. I had a 2g head on my 6 bolt block. But you need the 1g head bolts. The 2g ones arent long enough. And yeah they flow a little better.

RE: heads
 

2g head has smaller ports than the 1g head, making it have better velocity, over more volume and slower air speed of the 1g head to my understanding.

RE: heads
 

I think it will fit but dont you also have to do something with the cam sensor if i remember correctly they are in a different position

RE: heads
 

Yup. The 2g head is also similar to the EVO head in that sense. Magnus Motorsports showed the difference on their site. A 1G head and EVO head and the EVO head ports were just as small as the 2Gs. The EVO head was opened up a bit more btw.
Take that as it is, I like my 2G head on my 6 bolt.

That's correct, the 2G CAM sensor will have to be replaced with the 1G sensor and the 2G head bolt holes need to be "opened" a tad and that's it.

From my readings on T U N E R S and Talk, the 2G has the best angles when comparing the 1G head to the 2G head. What does that mean? Have someone experienced in boring and someone that knows how to correctly use the angles for velocity and volumetric flow and you've got close to an EVO head...minus the 7 bolt crank.
Here's my thoughts on the 2 heads.
1G head good for large turbos and the 1/4.
2G head good for the smaller turbos and the twisties.
Those would be ideal for a stock head. It's a different story once they are opened up. This is an open ended issue btw, there will always be arguments on both sides...mine is on the 2g head side :D