Rebuilding a Sr20det. recent low compression on cylinder 3. removing the crank shaft & found one thrust bearing that connected to conrod 3 was scracted with small chips along the surface area. Explanation why ? Is that normal
Recent problems were Timing chaining stretched. Fuel pump failures. BOV HKS version cause the car to run exceedingly rich. Head Gasket slightly blown.
Upgrading the ...
connected to rod number 3? you mean big end bearing not thrust bearings.
the thrust bearings sit either side of number 3 mains journal but doesnt come incontact with any conrod.
scoring is mainly from contamination (metal,dirt,insects what ever)
chips taken out can be from over heating as the metal softens up as it heats up and then a small amount of contamination just rips a chunk out....
-SR NRG-, on 20 October 2009 - 08:52 PM, said: connected to rod number 3? you mean big end bearing not thrust bearings.
the thrust bearings sit either side of number 3 mains journal but doesnt come incontact with any conrod.
scoring is mainly from contamination (metal,dirt,insects what ever)
chips taken out can be from over heating as the metal softens up as it heats up and then a ...
also if you do the ARP main studs make sure you test fit the sumps without sealant before you bolt them on. one of the studs has to be shortened about 2-3mm or it may crack your alloy sump when fitting.
-SR NRG-, on 20 October 2009 - 11:52 AM, said: je and cp are the same blanks only cp shave alot more weight off the skirting than je for finishing.
i prefer the cp's purely for weight reasons and the simplified crown design because there the same price.
Sorry for jumping off topic but I nearly fell over when I compared the weight of my Tomei pistons to CP's. Going off feel the ...
PJ said: -SR NRG-, on 20 October 2009 - 11:52 AM, said: je and cp are the same blanks only cp shave alot more weight off the skirting than je for finishing.
i prefer the cp's purely for weight reasons and the simplified crown design because there the same price.
Sorry for jumping off topic but I nearly fell over when I compared the weight of my Tomei pistons to CP's. Going off ...
If you're planning on a high hp, boost above 25psi I'd steer clear of the Cometic gasket. I've seen them leak waaaaay too many times on SR20DET's, take my word for it!
movie boy: the tomei head gaskets are cheaper than $500 and i sell cometic head gasket for $155 so not sure where you are getting your prices from.
coseworth is another good head gasket and only around $260 and virtually the same as a tomei one, ill take some pics of each of them as i generally have them all in stock, but there all multi layer steel.
pj's quick bits: got any more info about ...
SR NRG, it has all been on cars making running 30psi or just over (380-420kW), they have not blown, just leaked.
I've read all about the internet rumours surrounding problems ARP studs yet know the majority of people with fast SR's have run them and not had a problem.
I too know of plenty of guys running Cometic gaskets making the power you're referring to without a hitch.
The ...
PJ said: -SR NRG-, on 20 October 2009 - 11:52 AM, said: je and cp are the same blanks only cp shave alot more weight off the skirting than je for finishing. i prefer the cp's purely for weight reasons and the simplified crown design because there the same price. Sorry for jumping off topic but I nearly fell over when I compared the weight of my Tomei pistons to CP's. Going off feel the Tomei's are half the weight and double the...
SR NRG, it has all been on cars making running 30psi or just over (380-420kW), they have not blown, just leaked. I've read all about the internet rumours surrounding problems ARP studs yet know the majority of people with fast SR's have run them and not had a problem. I too know of plenty of guys running Cometic gaskets making the power you're referring to without a hitch. The design of the new Nitto drag gasket looks like it...
movie boy: the tomei head gaskets are cheaper than $500 and i sell cometic head gasket for $155 so not sure where you are getting your prices from. coseworth is another good head gasket and only around $260 and virtually the same as a tomei one, ill take some pics of each of them as i generally have them all in stock, but there all multi layer steel. pj's quick bits: got any more info about "all these...
also if you do the ARP main studs make sure you test fit the sumps without sealant before you bolt them on. one of the studs has to be shortened about 2-3mm or it may crack your alloy sump when fitting.
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