Small Block Displacement
Chevy Generation I ,original small block
265 in³ (4.3 L) 3.75€œ (95 mm) X 3.00€ (76 mm) 1954-1956 162 hp to 240 hp 283 in³ (4.6 L) 3.75€œ (95 mm) X 3.87€ (98 mm) 1957-1967 185 hp to 315 hp 302 in³ (4.9 L) 4.00€ (102 mm) X 3.00€ (76 mm) 1967-1969 290 hp 307 in³ (5.0 L) 3.875€ (98.4 mm) X 3.25€ 1968-1973 115 hp to 200 hp 327 in³ (5.4 L) 4.00€ (102 mm) X 3.25€ 1962-1968 250 hp to 360 hp 400 in³ 4.25€ bore X 3.75€ 1970-1979 240 hp 262 in³ (4.3 L) 3.67€ (93 mm) X 3.10€ (78.7 mm) 1975-1976 110 hp 267 in³ (4.4 L) 3.50€ X 3.48€ (88.4 mm) 1979-1982 305 in³ (5.0 L) 3.74€ (95 mm) X 3.48€ (88.4 mm) 1976-2003 130 hp to 250 hp 350 in³ (5.7 L) 4.00€ (102 mm) X 3.48€ (88.4 mm) 1969-2000 125 hp to 370 hp Chevy Generation X LT5 DOHC 349 in³ (5.7 L) 3.9€ (99 mm) X 3.66€ (93 mm) ZR1 Vette 1990-1995 375 hp to 405 hp (LT5 DOHC or quad cam) Chevy Generation II, LT series LT1 (4.3 L to 5.7L) 1992-1997 200 hp to 305 hp LT4 (5.7 L) 4.00€ (102 mm) X 3.48€ (88.4 mm) 1996-1997 330 hp Chevy Generation III, LS series LS1 346 in³ (5.7 L) 3.90" X 3.62" 1997-2005 305 hp to 350 hp LS2 346 in³ (5.7 L) 3.90" X 3.62" 2004-2006 400 hp LS4 325 in³ (5.3 L) 3.78" X 3.62" (front drive application) 2006-?? 303 hp LS7 427.6 in³ (7.0 L) 4.125" (104.8-mm) X 4" (101.6-mm) 2005-?? 505 hp LS9 6.2L 2010 600 hp (supercharged) Vortec 4800, 5300, 6000 LS series truck engines |
RE: Small Block Displacement
Isnt the LT5 a quad cam for the Zr1 vette? I believe aston martin helped GM design them with 4 camshafts and Gm actually had mercury marine put them in the car.
and i think the LS4 which is in the V8 impala produces 303 hp |
RE: Small Block Displacement
That is exactly what it is, GM used to call it a Twin Double Overhead Cam, Two cams on each head, for 4 cams total. Gets confusing when you get too fancy with names. Correct about the LS4, looks like a typo & will fix.
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The LS2 is 364ci by 4.00 x 3.62
Also the LS3 is 430hp at 372ci by 4.06 x 3.62 2008+ |
The 283 is 3.875" X 3.00" (98.4 mm 76.2 mm). The 400 is 4.125" X 3.75" (104.8 mm 95.2 mm).
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