compression calculators... keeps telling me i have 5.4:1 :(
compression calculators... keeps telling me i have 5.4:1 :( ive tryed 2 different ones now then keep giving me 5.x:1 
Cylinder Diameter: 3.905
Stroke Length: 3.622
Number of cylinders: 8
Chamber in cc's: 58cc (4.8L)
Piston dome in cc's: -2cc
Gasket Thickness in inches: .52 (GM MLS)
Clearances
Piston To Bore: .0047”
Main Bearing: .0023”
Rod Bearing: .002”
Ring End Gap: .027”(Top) .019”(Second)
Rod Side: .022”
Deck Height: 9.225”
Quench: .039”
:help:
Cylinder Diameter: 3.905
Stroke Length: 3.622
Number of cylinders: 8
Chamber in cc's: 58cc (4.8L)
Piston dome in cc's: -2cc
Gasket Thickness in inches: .52 (GM MLS)
Clearances
Piston To Bore: .0047”
Main Bearing: .0023”
Rod Bearing: .002”
Ring End Gap: .027”(Top) .019”(Second)
Rod Side: .022”
Deck Height: 9.225”
Quench: .039”
:help:
TECH Regular
Joined: Oct 2005
Posts: 430
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Originally Posted by STANG KILLA SS 2
ive tryed 2 different ones now then keep giving me 5.x:1
Cylinder Diameter: 3.905
Stroke Length: 3.622
Number of cylinders: 8
Chamber in cc's: 58cc (4.8L)
Piston dome in cc's: -2cc
Gasket Thickness in inches: .52 (GM MLS) (Sure it isn't 0.0 52"?)
Clearances
Piston To Bore: .0047”
Main Bearing: .0023”
Rod Bearing: .002”
Ring End Gap: .027”(Top) .019”(Second)
Rod Side: .022”
Deck Height: 9.225”
Quench: .039”
:help:
Cylinder Diameter: 3.905
Stroke Length: 3.622
Number of cylinders: 8
Chamber in cc's: 58cc (4.8L)
Piston dome in cc's: -2cc
Gasket Thickness in inches: .52 (GM MLS) (Sure it isn't 0.0 52"?)
Clearances
Piston To Bore: .0047”
Main Bearing: .0023”
Rod Bearing: .002”
Ring End Gap: .027”(Top) .019”(Second)
Rod Side: .022”
Deck Height: 9.225”
Quench: .039”
:help:
doh! whats the bore diameter on that GM MLS gasket?
also how do i figure my " Piston Deck Clearance" from the specs above?
http://www.csgnetwork.com/compcalc.html
also how do i figure my " Piston Deck Clearance" from the specs above?
http://www.csgnetwork.com/compcalc.html
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From the specs listed above, your pistons would be .013 above the deck or -.013 in the calculator. Measure .052 gasket minus .039 quench = .013
With that, I come up with 11.5 SCR
.
Dan
With that, I come up with 11.5 SCR
.Dan
Im running a pro foger 250 shot on my new 418cid.and my ring gap is .020" top .024" second.Here is a sight were you can calculate the ring gap to the type of motor your running
http://www.rosspistons.com/pdf/ross_...stallation.pdf
http://www.rosspistons.com/pdf/ross_...stallation.pdf
Originally Posted by Randy WS6
Im running a pro foger 250 shot on my new 418cid.and my ring gap is .020" top .024" second.Here is a sight were you can calculate the ring gap to the type of motor your running
http://www.rosspistons.com/pdf/ross_...stallation.pdf
http://www.rosspistons.com/pdf/ross_...stallation.pdf
LME built the short block for exactly what i had planed to do with the car. i have faith in there work and calculations...
Originally Posted by DanZ28
From the specs listed above, your pistons would be .013 above the deck or -.013 in the calculator. Measure .052 gasket minus .039 quench = .013
With that, I come up with 11.5 SCR.
Dan
With that, I come up with 11.5 SCR
.Dan
and thats what i get too...
11.503139859396025:1
