Port & Polished Vtak!!!

[RHennin]

I would highly suggest that you try make sure that all your ports are close to the same size. You can do this several ways. I think there are kits that you can use to make sure that you atleast have the same overall volume in the ports.

 

[Suanico]

The oil is like that b/c its been sitting for awhile. Its normal. If it dosent add 28hp, then how come a Y7 is 106hp, and a Y8 is 128hp or so....?

its 127hp and if you didn't notice thats only 21hp but thats will all the other components of a ex motor not just the head i think you looking to get 15 at best because the y8 dynos at 107 and the y7 dynos at like

 

[Suanico]

Yea, the head has 86,000 miles on it, and the oil is BLACK. When I pulled the Vtec solinoid off to clean it out, it was really black and runny. I really dont feel like pulling out the valves and whatnot, b/c I dont want to take the chance of them not seating properly after its all said and done. With only doing the intake/exhaust ports, it'll just flow abit better. It wont add tremendus gains, but then agian, Im not looking for any big numbers right now.

if you throw a cam in there while that head is off, your vtec will roar my friend

 

[RHennin]

Yea good call, I believe the connecting rods in a y8 are slightly beefier than the other d series motors.

 

[greenlx777]

nice floor

 

[sohclubkid]

i hope you did you homework before you started milling...

but good luck none the less.

 

[Szady]

its 127hp and if you didn't notice thats only 21hp but thats will all the other components of a ex motor not just the head i think you looking to get 15 at best because the y8 dynos at 107 and the y7 dynos at like

Im already running Y8 internals, so my CR is bumped up alittle compared to the Y7. But, like Ive said before, Im not looking to get huge numbers. Eventually Im gonna be boosting, and theres just about NO aftermarket support for the Y7 head.....

 

[Suanico]

Im already running Y8 internals, so my CR is bumped up alittle compared to the Y7. But, like Ive said before, Im not looking to get huge numbers. Eventually Im gonna be boosting, and theres just about NO aftermarket support for the Y7 head.....

i dont get why you didn't just swap in a full y8 if your already rockin y8 internals and a y8 head? any reason, and didn't you rebuld this motor a while back? if so i would swap on a cleaner head than that to go with the fresh rebuild

 

[Szady]

Yea, when I rebuilt it back in the summer, I used Y8 internals, b/c I got a killer deal on them. When I rebuilt it, I didnt have the cash to swap on a Y8 head. I just needed to replace the bent rod, so I could have my gas mileage back to normal. The head, Im not really worried about it. I looked it over REALLY closely, and it looks good. That "burnt" oil will come right off when I clean it up. I can rub it off with my finger....

 

[Jersey8]

nice job, now just add a line of four or five golf ball dimples leading to the combustion chamber to add some turbulence and you'll be golden.

curious... what does adding turbulence to the chamber do?

 

[RHennin]

The turbulence helps to mix the air and fuel better which makes it burn more thoroughly = good stuff