Did you get this exact part number which is for a 4.000 bore?
That's a summit number, but it looks like it's the same. The block is .030 over and I did say to Troy it was .030 over, but there's nothing on the package that states the bore size.
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Considering the low boost we'll be running and the fact that this will be a drag race engine I would set the top ring around .020-.022 and the second ring around .012-.014. What do you think Glenn?
I would say RX-Snake is primarily a drag type car, but will see some slap-dick AutoX and maybe Drift, both of which are relatively short periods, but considerably longer than drag. It won't likely see anything longer than that.
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Make sure you have the correct rings first and then we can arrange a night for me to come over and we'll check the rings and start building the short block.
Word.
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That's a summit number, but it looks like it's the same. The block is .030 over and I did say to Troy it was .030 over, but there's nothing on the package that states the bore size.
Open one of the boxes and install the top ring in the block. Then check the end gap. Then we'll know if they are the correct size.
Open one of the boxes and install the top ring in the block. Then check the end gap. Then we'll know if they are the correct size.
Using my calipers, not feeler gauges (don't have), it measures 0.105" (very slightly more than a 10th of an inch, so I'mma guess'n those are for the 4.0" bore, not 30 over.
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Using my calipers, not feeler gauges (don't have), it measures 0.105" (very slightly more than a 10th of an inch, so I'mma guess'n those are for the 4.0" bore, not 30 over.
Looks like it. They were probably fairly easy to push down into the cylinder as well, correct?
Looks like it. They were probably fairly easy to push down into the cylinder as well, correct?
I wouldn't say easy. They're certainly firmly pressed against the cylinder wall with pressure, but the gap is plenty big, can't imagine that's appropriate for containing compression.
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Well Ben and I honed the block tonight and then installed new main bearings along with the crank. Then we checked the end gap of the new rings which were .019 on the top ring and .015 on the second ring. We installed the new rings as well as new rod bearings and then installed all the pistons.
Tonight was a very productive and fun night working with Ron. In addition to working on the motor, I gave him a ride in the Vette and he gave me a ride in the Cobra. Good times.
I actually got a fair bit of good video. Here's a little for now. I'm behind on a bunch of other video, but I'll get back to it.
I'll cut this to some porn music later for enkei.
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PICS
Ron searches for something.
Hours later, he's pretty sure he knows what it is.
Ron studied from his father how to drop bearings. So he's pretty good at it.
He's also good at putting them in.
Block.
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