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Thread: Wiseco's in a chrome bore 200
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07-04-2020, 10:32 PM #1
Wiseco's in a chrome bore 200
So I just toasted #6 piston in my 90 V200 2.4 carb merc. Pulled the heads and found wiseco pistons in every hole. One is .010 over and has a sleeve. Compression is strong on all holes. Motor always ran great. I'm tearing it down to send block to James for a sleeve.
So everybody on here talks about how much wiseco pistons suck. Why is that? Mine have been just fine for 8+ years. These are 3102's if it matters.
I'm planning to put rings on the 5 and a new one in 6. Then break it in like a new motor. Thoughts guys?1990 Shadow bass boat w/ 2.4 200 Merc. Totally resto'd boat and love it!
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07-04-2020, 10:38 PM #25000 RPM
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Follow what James says, if he is doing your machine work. If it's Mr. P, he knows what he's doing.
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rgsauger liked this post
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07-05-2020, 02:01 AM #3
X2 follow what James says..
When I talked to James he said there's a reason they're called seizco... But seriously I had them in my old motors and they were run hard for over 15 years and never had a problem w the pistons.,(Reed stops that's another story..lol) I think the problem people have is not installing or prepping block right or not breaking in.and they're to tight?. And end up w that mess
Have vertex in my new motors.LETS GO BRANDON.... LETS GO BRANDON
Sometimes I talk to myself...then we both just laugh and laugh
'84 Checkmate Convincor
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07-05-2020, 07:37 AM #4
James dont use weiscos , so idk exactly what he will say or do , but whatever it is do what he says. With few slugs already runnin lean. I wouldnt doubt it if u had sum loose pins in the "gud holes"
But to answer ur question, they need alot of clearance to not stick and pins would fall out pretty quick , but if ur only runnin em 5800 or so mite not b as badLast edited by Merc 2.5; 07-05-2020 at 07:55 AM.
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07-05-2020, 08:25 AM #5
6500 is probably about Max. He saw the number and said these were the newer ones and were better than the previous gen ones. I always let it get heat in the mota before I ever get in it. Thanks guys
1990 Shadow bass boat w/ 2.4 200 Merc. Totally resto'd boat and love it!
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