Few Questions about the 4G63 that i need answered

[0r1landoDSM]

im going to maybe buy a gs-t this week with 129k miles and i just have a few questions i hope you knowledgeable 4g63 owners can help me out with. im new to the turbo scene, i've owned 2 dsm's but this is my first 4g63t

Questions:

1.what is the factory compression on a 7bolt 4g63 motor? i want to do a compression test

2. how would you know if the head gasket is going out with compression test?

3.what is a good compression for 7bolt 4g63 motor?

4.what things should i look out for when buying a 4g63 or DSM?

5.what else do you guys recommend me doing when looking at this car?

6. how would you know if the valve guide seals on a car is bad?

if you can answer all these in number order that would be awesome

 

[19Eclipse90]

1, 2, & 3 - http://www.dsmtuners.com/forums/articles-engine-fuel/338152-compression-leak-down-testing.html & http://www.dsmtuners.com/forums/articles-engine-fuel/336535-do-you-have-blown-head-gasket.html

4, 5, & 6 - http://www.dsmtuners.com/forums/frequently-answered-dsm-questions/238710-dsm-used-car-buyers-guide.html

 

[TSi Kid]

Glad to see you're going towards an actual dsm

 

[hollywood_ikr]

If you had to ask these questions, I highly suggest you bring a mechanic with you. As far as pricing I would go for the kbb "trade in value" of the car, that makes it hard to lose on a car.