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Open Track Racing
Engine reliability mods for road racing?
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<blockquote data-quote="///m3" data-source="post: 8331818" data-attributes="member: 15028"><p>I've been running the 2.8 pulley for a couple of years now, probably been to 25 days of tracking. We hadn't seen a problem before this, but it still doesn't mean it's been right.</p><p></p><p>The blower didn't SEEM to puke it's guts until after I limped it half way around Sebring and unloaded it off the trailer back at the house.</p><p></p><p>I do have a coolant temp gauge in the driver's side head that just hits 240, but the stock gauge never moves. I thought that it was acceptable limit since it was actually inside the head, especially with the Evans coolant. I don't have an oil temp sensor in the oil cooler setup yet. It's on the list.</p><p></p><p>It sounds like I was pushing the motor too hard with the smaller pulley. Sounds like a ported blower is definitely a must, especially since i have to rebuild it. I'll have the motor out and head off tomorrow, so I'll find out what happened to the two pistons.</p><p></p><p>Any other must do improvements while the motor is out? I do have the head cooling mod too, by the way.</p><p></p><p>Everyone OK with the oiling system in these motors?</p></blockquote><p></p>
[QUOTE="///m3, post: 8331818, member: 15028"] I've been running the 2.8 pulley for a couple of years now, probably been to 25 days of tracking. We hadn't seen a problem before this, but it still doesn't mean it's been right. The blower didn't SEEM to puke it's guts until after I limped it half way around Sebring and unloaded it off the trailer back at the house. I do have a coolant temp gauge in the driver's side head that just hits 240, but the stock gauge never moves. I thought that it was acceptable limit since it was actually inside the head, especially with the Evans coolant. I don't have an oil temp sensor in the oil cooler setup yet. It's on the list. It sounds like I was pushing the motor too hard with the smaller pulley. Sounds like a ported blower is definitely a must, especially since i have to rebuild it. I'll have the motor out and head off tomorrow, so I'll find out what happened to the two pistons. Any other must do improvements while the motor is out? I do have the head cooling mod too, by the way. Everyone OK with the oiling system in these motors? [/QUOTE]
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Engine reliability mods for road racing?
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