head gasket sizes
is it safe to use a 1.1 or 1.3 headgasket, car had a 1.6, and was mapped by jgm.
getting heads skimmed and was thinking a 1.3 would improve compression. just wondering, so many people use 1.6mm providing there is no touching of valves on pistons, i cant see a issue. as they are interference engines anyway. |
Depends what CR you want to run - you really need to volume your combustion chambers after the heads have been skimmed and add that into your CR calculations to determine gasket thickness.
Mick |
Originally Posted by merlin24
(Post 10450249)
Depends what CR you want to run - you really need to volume your combustion chambers after the heads have been skimmed and add that into your CR calculations to determine gasket thickness.
Mick |
Number Of Cylinders - 4
Bore - 92.5 - 3.64in Stroke - 2.952 Chamber Volume - 49cc Head Gasket Thickness - 0.54 in Head Gasket Bore - 3.66 in - 93mm Piston To Deck Height - 0.12+ Piston Type - domed any help from here? i got 8:3 but im honestly lost now. got my info from http://www.wiseco.com/Catalogs/Sport...baruToyota.pdf my pistons are the top one, K576m925 october 1998 and older |
Would this help?
http://www.zealautowerks.com/index.h....2,7200,1500,0 |
Originally Posted by Kwik
(Post 10450841)
Would this help?
http://www.zealautowerks.com/index.h....2,7200,1500,0 means nothing to me |
Originally Posted by mje_wrx
(Post 10450846)
ummmmm no lol
means nothing to me |
If you had 1.6 before use the same again or you may have problems with det etc.
|
Originally Posted by Kwik
(Post 10450856)
Sorry, i thought if you put in all your info you can then change the specific gasket sizes to give you compression ratio's.
wondering if that compression is good. or if i can improve on it. if i done the maths correct that is. down to jgm for tweeking then. everychance 1.6 is the best option, im curious incase i can get more power. |
Originally Posted by mje_wrx
(Post 10450875)
yeh you can, iv already done that.
wondering if that compression is good. or if i can improve on it. if i done the maths correct that is. down to jgm for tweeking then. everychance 1.6 is the best option, im curious incase i can get more power. |
i agree with you. may need to speak to jgm, see if mapping will make it safe
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