4g61t.org

Ok guys flood me with specs on the 4G61T CC size, cumbustion chamber size, rod lenth, pin diameter, Dish CC, bore, stroke anything you guys can think of. I know a few of these and the specs are scattered throughout the board I would like to get a consolidated list for those of us who wish to order custom forged pistons.....unless any of you know of a company that has specs for a 4G61T for forged goodies....I know the rods are 1G rods and can be found and replaced easily. Come on guys lets see those specs!!!!!

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'90 CSM Hatch 4G61T swap....lots of goodies.

PM your email address and I can send most of the stuff you want; barring that, check this info out:

Bore = 82.3mm (3.24")
Stroke = 75mm (2.95")
Piston displacement = 1,595 cc (97ci)
Compression ratio NA = 9.2:1 T/C = 8.0:1
More to come if I find it. Other members have been throught the more serious points of pistons in diameters and such though.

Rod Length 150mm
Head CC= 43cc
Head Gasket Thickness = 1.1mm
Deck clearence 0
Wrist Pin Diameter = 21mm

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LC '01 Accent GSI - Silver
MC '07 Accent GSR - Midnight Gray
C52A '91 Colt 4G64DOHC N/A Lots of Mods - White

Using the numbers I plugged into a static compression calculator I calculated a 8cc piston dish nets a 8.03:1 compression ratio. For reference a 4g63 has a 17cc dish in them

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LC '01 Accent GSI - Silver
MC '07 Accent GSR - Midnight Gray
C52A '91 Colt 4G64DOHC N/A Lots of Mods - White