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Forum: Mechanicals

09-03-2014, 10:53 PM

Replies: 12

Version 5 EJ207 rebuild advice

Views: 4,949

Posted By Rossco

It's a design issue that creates stress between...

It's a design issue that creates stress between the plug hole threads and the valve seat inserts.

My original V6 Ej207 heads (260,000km approx) looked like this after cleaning:
...

Forum: Mechanicals

09-03-2014, 10:41 PM

Replies: 12

Version 5 EJ207 rebuild advice

Views: 4,949

Posted By Rossco

The real advantage is that the power stays higher...

The real advantage is that the power stays higher all the way to the redline rather than falling over at 6000rpm with stock cams (even the v5/6 STI cams fall off above 6500).

Having a sizeable...

Forum: Mechanicals

09-03-2014, 10:21 PM

Replies: 12

Version 5 EJ207 rebuild advice

Views: 4,949

Posted By Rossco

Kelford 262's if you want a smooth idle with a...

Kelford 262's if you want a smooth idle with a good midrange punch and better high rpm breathing.

Chances are your v5 heads will be cracked around the spark plug threads (most do) - go with GD wrx...

Forum: Mechanicals

09-03-2014, 09:14 PM

Replies: 12

Version 5 EJ207 rebuild advice

Views: 4,949

Posted By Rossco

18 psi on a big td05 (20G) is very different to...

18 psi on a big td05 (20G) is very different to 18psi on a vf28/29 with a stock ecu - I'm not surprised it popped Version 5's were Dok-Doking themselves in stock form when new due to 100ron Jap...

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