Journal: Mark's Mgbgt Adventure
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There are 21 entries in this Journal. Status: Member Location:  Sarnia, ON, Canada |
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Std Pistons, 0.020" Rings?!
Created on 2006-05-26 18:53:26
Finally an update.
After having my engine at one shop for five months waiting for them to do the engine machineing I took it to another shop Monday, who promissed it will be done within two weeks. Based on pulling standard pistons out of the engine, ordered 0.020 over ones for replacement. The engine shop call last night and told me that the engine had already been bored out 0.020 over and they were sure if 0.030 over pitons would do the trick. Some nut bar had rebuilt the engine years ago using the original pistons and 0.020 rings. The funny thing was that the engine compression was good, around 125 to 130 psi.
So today I purchased 0.030 and 0.040 pistons (return later which ever one donesn't get used) and made the hour drive to the machine shop and picked up the 0.020 pistons for return. I've also learned that I'm very happy that I did pull the engine from the first shop. Comparing what the new shop is going to do compared to the first one, the first one would have only done a half a$$ job.
Could it be that I'll have the GT back on the road for the first time in two years before the end of June?
After having my engine at one shop for five months waiting for them to do the engine machineing I took it to another shop Monday, who promissed it will be done within two weeks. Based on pulling standard pistons out of the engine, ordered 0.020 over ones for replacement. The engine shop call last night and told me that the engine had already been bored out 0.020 over and they were sure if 0.030 over pitons would do the trick. Some nut bar had rebuilt the engine years ago using the original pistons and 0.020 rings. The funny thing was that the engine compression was good, around 125 to 130 psi.
So today I purchased 0.030 and 0.040 pistons (return later which ever one donesn't get used) and made the hour drive to the machine shop and picked up the 0.020 pistons for return. I've also learned that I'm very happy that I did pull the engine from the first shop. Comparing what the new shop is going to do compared to the first one, the first one would have only done a half a$$ job.
Could it be that I'll have the GT back on the road for the first time in two years before the end of June?
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Summary of Previous Journal Entries
Showing previous 6 journal entries:
| Title | Date | #Pic | #Cmt | Excerpt |
|---|---|---|---|---|
| Parts Keep Coming Off | 2006-01-11 | It started out as an engine rebuild. I then figured I might as well paint the engine compartment while the engine was out. About a week ago the grill came out becau... | ||
| Engine At Machine Shop - Finally | 2005-12-20 | Yesterday I finally got around to dropping of the block, head and crank shaft to my machinist and today I dropped off the valves, pistons and rods. He's going to ins... | ||
| Strip Down Completed | 2005-11-12 | I just finished stripping down the engine. I only found copper showing on two bearings. If I'm luck on the main journals will need to be ground down. I also found the cylinder wall... | ||
| Engine Numbers | 2005-11-07 | The B-series engine in my car isn't from a B; I believe it is actually out of a Marina. The engine number is 18V658M-L17025. Also, the "clock", or engine block casting date, locate... | ||
| Bad Engine Hoist | 2005-11-06 | Yesterday I pulled the engine out of the GT. I rented an engine hoist for pulling the engine since at the last Club meeting I couldn't find a member with a hoist. I... | ||
| Transmission Crossmember | 2005-10-28 | 1 | Since buying my MGBGT in 1998 I've heard many, many time people talk about how difficult it is to remove and refit the transmission cross member. Some people resort to cutting hole... |
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This page last modified December 01 2007 20:50:32 pm
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