Corsa piston build with throttle bodies

pork

Club Member
So engine is trashed.....

All good though as I’ve just picked up a cga3de block and crank from dave shaw (thanks mate)






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pork

Club Member
Well hopefully this time with a cga block it’ll go better

New pistons abs rings on order too


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pork

Club Member
Just got my cga3de block back, bored out and honed.....had to buy 4 new pistons too






Almost done polishing the head up, then il send that of to have the cr12 valves put in


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pork

Club Member
Gotta get a move on now to finish the micra.......me and the old man are gunna build one of these now



Had a look round the factory today, amazing cars!

Gunna stick the ls3 engine in it too


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pork

Club Member
Cheers dude.

Gotta see it through

Should be sending the head off for the valves to be fitted this week, got a tiny bit more polishing to do


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pork

Club Member
Head and valves sent off
Gave them the crank and rods too, all the bearings got trashed as well,so new bearings ordered and crank polishing


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pork

Club Member
Right......got all my bits back

Cga block re-bored/honed 3mm off the deck
New corsa pistons/rings
New main/big end bearings
Crank polished
Head diy port/polish, longer cr12 valves cut in, 2mm skim

I’ve got some cat cam springs coming too

Big dent in bank account





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pork

Club Member
Got my valve springs through, so can rebuild the head



Longer valves so I don’t have to double up the shims, plus they’re under Cr12 buckets, so no chance of spitting them out



New cg13 clutch, fitted to cg10 spline.......should stop the grinding noise whilst engaging gear




...........and because I’m a ####ing idiot, and didn’t check the cc in the head correctly before skimming it, I’ve had to get a de-comp plate from Ferriday Engineering to bring the c/r back down to 12:1



It was nearly 17:1

If it don’t work, then I’ve wasted all that time and effort polishing that head


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