some tech questions...

[Wikid 1]

okay, i've tried to search several forums but can't really find an answer...

first off; 97 vortech heads, what is the combution chamber size, I'm thinking 64 CC am I correct on this?

Secondly; having the pistons coated? would this keep the piston cool significantly, or would one rather oil cool the pistons, or do both...

Lastly; has anyone here used, or what are the opinions on hardblocking a block? not much just to the bottom of the water freeze plugs. to stiffen up the bottom end and keep harmonics inline

thanks guys

 

[Robert Lone]

Re: some tech questions...

Pour the block...fosho...
Dunno bout the heads, I never cc'd one before cutting the crap out of it....

 

[HotRodV6]

Re: some tech questions...

yes the heads should be a 64cc chamber, and coating the top of the piston will help keep heat in the cumbustion chamber and help make more power, and incease piston life. I dont think oil cooled pistons are an option in a stock block without major work, and is really only needed in a diesel application im sure.

 

[critical]

Re: some tech questions...

Hardbloc may be a good idea.
Ive considered it myself, Ill do it before I have it bored, and see what happens.

 

[Wikid 1]

Re: some tech questions...

oil cooling isn't really a major mod, drill a hole through the main webbing aimed at the back of the piston at mid stroke, swedge in a metering orface, then groove the area behind the main bearing connecting the feed and oiling hole. it's actualy standard equipment on the 2.2 ecotech supercharged Ion redline, and Cobalt SS.

also, is there a way to convert these blocks to priority main oiling? been reading some more and don't think this would be a good idea without it.

 

[Robert Lone]

Re: some tech questions...

oil cooling isn't really a major mod, drill a hole through the main webbing aimed at the back of the piston at mid stroke, swedge in a metering orface, then groove the area behind the main bearing connecting the feed and oiling hole. it's actualy standard equipment on the 2.2 ecotech supercharged Ion redline, and Cobalt SS.

also, is there a way to convert these blocks to priority main oiling? been reading some more and don't think this would be a good idea without it.

The priority main oiling mod should be same as SBC...

 

[myclone]

Re: some tech questions...

oil cooling isn't really a major mod, drill a hole through the main webbing aimed at the back of the piston at mid stroke, swedge in a metering orface, then groove the area behind the main bearing connecting the feed and oiling hole. it's actualy standard equipment on the 2.2 ecotech supercharged Ion redline, and Cobalt SS.

Good idea but is it worth the hassle? IMO if youre going to spend extended periods at WOT then it prolly is but if its a street/strip type set up that spends less than 15 seconds at WOT then its not worth it. Just my .02 FWIW since Id be the last person to tell someone not to try something on their own.

also, is there a way to convert these blocks to priority main oiling?.

Stock blocks no (well, not without a LOT of work and external plumbing) but bow tie blocks are priority main oiling.

 

[James Thomas]

Re: some tech questions...

Coating the pistons is def worth it. Also the valves, piston skirts, the combustion chamber it's self and the intake and ex. ports! We also coat the intake runners (upper & lower) and underside of the intake. This complete is worth a verified 14+ hp on the dyno. Add in coating the crank (journals and exterior) rods, oil pump is worth another 7-10 not to mention the reduced wear and temps!
_____________________
James R. Thomas
Windsock Inc.
Island Cycle & Performance
Marianas Motor Sports

 

[SEL777]

Re: some tech questions...

Coating the pistons is def worth it. Also the valves, piston skirts, the combustion chamber it's self and the intake and ex. ports! We also coat the intake runners (upper & lower) and underside of the intake. This complete is worth a verified 14+ hp on the dyno. Add in coating the crank (journals and exterior) rods, oil pump is worth another 7-10 not to mention the reduced wear and temps!QUOTE]

Now that's good information. What was the cost of all this coating?

 

[James Thomas]

Re: some tech questions...

Coating the pistons is def worth it. Also the valves, piston skirts, the combustion chamber it's self and the intake and ex. ports! We also coat the intake runners (upper & lower) and underside of the intake. This complete is worth a verified 14+ hp on the dyno. Add in coating the crank (journals and exterior) rods, oil pump is worth another 7-10 not to mention the reduced wear and temps!QUOTE]

Now that's good information. What was the cost of all this coating?

Sorry for the late reply but I'm in the P.I. and there is a Gov't overthrow in process. As to the cost of coating, it does vary from business to business and the type of coating being used (of course). Pm me a list of your parts and their condition (new / used, clean / dirty, stock or ?) and I'll quote you.
_________________________
James R. Thomas