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shimon340 · Sep 8th, 2009, 10:21

Hi,

The cambelt and pulleys have been upgraded and the belt itself is quite thick. There’s also an extra oil pump for the dry sump. Curious they open both oil fillers on these heads.

I’ve been taking a closer look at the TWR head and the standard one. Seems none of the original casting remains in the TWR head for the race cars. According to regulations, its has the same certain critical measurements and angles but really its totally bespoke. Interesting none the less. I recall Volvo’s R division also had some bespoke 16 valve heads for the 240 programme which were later then available for the aftermarket via R-sport division. The 16v head info might not be right but that’s how I recall it. Glad for someone to post more info to correct or refine my answer!

James, I’ll PM you about the 2E engine!

Sep 8th, 2009, 10:21	#46
shimon340 Senior Member Last Online: Mar 2nd, 2023 14:47 Join Date: May 2006 Location: Manchester	Hi, The cambelt and pulleys have been upgraded and the belt itself is quite thick. There’s also an extra oil pump for the dry sump. Curious they open both oil fillers on these heads. I’ve been taking a closer look at the TWR head and the standard one. Seems none of the original casting remains in the TWR head for the race cars. According to regulations, its has the same certain critical measurements and angles but really its totally bespoke. Interesting none the less. I recall Volvo’s R division also had some bespoke 16 valve heads for the 240 programme which were later then available for the aftermarket via R-sport division. The 16v head info might not be right but that’s how I recall it. Glad for someone to post more info to correct or refine my answer! James, I’ll PM you about the 2E engine!