Guest Anonymous Posted February 15, 2003 Share Posted February 15, 2003 so im in auto zone getting gaskets and i see "head saver use for reshim head " so i say get me one lets see what it is ITS A COPPER HEAD GASKET of .020 thick part # 075735 87995p nissan gasket is .080 felpro is .060 this thing is .020 i would think this would be a fast easey way to bump compression and you can use it time and time agen i dont have time to play with this right now but i do have plans on it but if somone beats me to it please post some thing Quote Link to comment Share on other sites More sharing options...
RB26powered74zcar Posted February 15, 2003 Share Posted February 15, 2003 Is this copper gasket in the shape of the L6 block If so, I'd find that usefull.. Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted February 15, 2003 Share Posted February 15, 2003 looks like it i sold 3 short blocks this week or i would know for shoure Quote Link to comment Share on other sites More sharing options...
Z-Gad Posted February 16, 2003 Share Posted February 16, 2003 I believe it is used to "shim" the block after the block has been decked. If it is similar to the ones I have seen, you still have to use the head gasket on top of it. Quote Link to comment Share on other sites More sharing options...
Guest norm[T12SDSUD] Posted February 16, 2003 Share Posted February 16, 2003 I have used this shim before and not only do you not use it in place of the stock headgasket due to piston to head clearance issues ,it isn't worth a shiat as a shim gasket due to its improper dimensions. Whatever you do, do not use this shim with the fel pro headgasket as the sealing rings on the fel pro gasket are too narrow and will cause leakage. Even with a Nissan gasket it won't last very long. Also you cannot reuse this copper shim either as it is too thin. later,norm Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted February 16, 2003 Share Posted February 16, 2003 Norm you the man why did i know you had all ready played with this gasket thanks Norm i do have to ask you dont think it would seal if the piston thing was fixed ( .030 off the piston) with a littlepper seal or Indian head ink? go a head me but i have to ask i have used gaskets like this on 10.5 to 1 and higher Pontiac motors with real good luck i see this as a cheeper move than O rings on the head fell free to :malebitchslap: Quote Link to comment Share on other sites More sharing options...
Guest norm[T12SDSUD] Posted February 16, 2003 Share Posted February 16, 2003 Norm you the man why did i know you had all ready played with this gasket thanks Norm i do have to ask you dont think it would seal if the piston thing was fixed ( .030 off the piston) with a littlepper seal or Indian head ink? go a head me but i have to ask i have used gaskets like this on 10.5 to 1 and higher Pontiac motors with real good luck i see this as a cheeper move than O rings on the head fell free to :malebitchslap: Yeah, I'd say if you sprayed it with copper gasket sealant and then shaved the pistons .020" for the needed piston to head clearance , that it probably would work. Let us know how it turns out if you try it this way as this would be a very effective way to increase the CR on a motor with dished pistons. later,norm Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted February 16, 2003 Share Posted February 16, 2003 yes dish would work well but i was thinking flat tops with a P90 i would think .040 to .060 less head gasket would work better than .080 off the head but now that you say some thing a Turbo might rock like that l28 block, pop ups and a l24 crank with a P90 or flat tops and a N42 Man i got to get some time to play with this thank you Norm Quote Link to comment Share on other sites More sharing options...
Guest norm[T12SDSUD] Posted February 17, 2003 Share Posted February 17, 2003 yes dish would work well but i was thinking flat tops with a P90 i would think .040 to .060 less head gasket would work better than .080 off the head but now that you say some thing a Turbo might rock like that l28 block' date=' pop ups and a l24 crank with a P90 or flat tops and a N42 Man i got to get some time to play with this thank you Norm[/quote'] Hey, the problem with flattops is if you shave them .020" then you really will gain very litttle benefit because you end up removing the entire material over the top of the piston and then with with the clearance only being .010" tighter when using the .020" copper shim over the stock .050" stock headgasket. You gain more benefit with this mod on dished pistons because you only would take off a very small amount off the top of the dish circumference and the dished part would remain untouched so the increase in CR would almost be the full .030" reduction from using the .020" shim. You need at least .040"-.035" minimum piston to head clearance so when using the flattop motor you would be better off just shaving the head than using the shim mod. And once again, its not 100% certainty that the cheap Fel Pro shim would even end up sealing, so it would suck if you shaved your flatops .020" only to realize that you had to run the stock gasket to get it all to be leakfree. later Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted February 17, 2003 Share Posted February 17, 2003 ILL blow some thing up before i give up thanks John Quote Link to comment Share on other sites More sharing options...
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