Stroke and Bore
#1
Stroke and Bore
I know I could find this by doing a couple searches. But, could someone put up the Bore and Stroke for :
350 Smallblock (1969 ^ era) GenI
400 Small block (1970^era?) GenI
402 LS2
427 LS7
402 Big Block (1970 ^ era)
427 Big Block (1966^ era)
Thanks!!
350 Smallblock (1969 ^ era) GenI
400 Small block (1970^era?) GenI
402 LS2
427 LS7
402 Big Block (1970 ^ era)
427 Big Block (1966^ era)
Thanks!!
#2
Hello
350 1967-2003 4.001" x 3.480" Includes Vortec & LT1/LT4
400 1970-1980 4.126" x 3.750"
LS2(364) 2005 4.001" x 3.622" (same with LQ4/LQ9)
LS2(402) 2005 4.001" x 4.000" (same with LQ4/LQ9)
LS7(427) 2006 4.125" x 4.000" (guesstimates)
402 1970-1972 4.126" x 3.760"
427 1965-1969 4.251" x 3.760"
Hope this helps
350 1967-2003 4.001" x 3.480" Includes Vortec & LT1/LT4
400 1970-1980 4.126" x 3.750"
LS2(364) 2005 4.001" x 3.622" (same with LQ4/LQ9)
LS2(402) 2005 4.001" x 4.000" (same with LQ4/LQ9)
LS7(427) 2006 4.125" x 4.000" (guesstimates)
402 1970-1972 4.126" x 3.760"
427 1965-1969 4.251" x 3.760"
Hope this helps
Last edited by NO-OPTION-2002; 01-04-2005 at 09:21 AM. Reason: added LS2(402) info
#3
Originally Posted by NO-OPTION-2002
Hello
350 1967-2003 4.001" x 3.480" Includes Vortec & LT1/LT4
400 1970-1980 4.126" x 3.75"
LS2(364) 2005 4.001" x 3.622"
LS7(427) 2006 4.125" x 4.000" (guesstimates)
402 1970-1972 4.126" x 3.760"
427 1965-1969 4.251" x 3.760"
Hope this helps
350 1967-2003 4.001" x 3.480" Includes Vortec & LT1/LT4
400 1970-1980 4.126" x 3.75"
LS2(364) 2005 4.001" x 3.622"
LS7(427) 2006 4.125" x 4.000" (guesstimates)
402 1970-1972 4.126" x 3.760"
427 1965-1969 4.251" x 3.760"
Hope this helps
Trending Topics
#8
Originally Posted by SSCamaro99_3
4.00 x 4.00
My mistake as the LS2 is a 364ci which has the 3.62 stroke - i.e. NOT a 402ci.
See below info from GM:
Manufacturing location: Bowling Green , Kentucky
Engine 6.0L V-8 LS2 7.0L V-8 LS7
Displacement (cu in / cc): 364 / 5967 427 / 7011.3
Bore & stroke (in / mm): 4 x 3.62 / 101.6 x 92 4.125 x 4 / 104.8 x 101.6
Block material: cast aluminum cast aluminum
Cylinder head material: cast aluminum cast aluminum
Valvetrain: OHV, 2 valves per cylinder OHV, 2 valves per cylinder
Fuel delivery: SFI (sequential fuel injection) SFI (sequential fuel injection)
Compression ratio: 10.9:1 11:1
Horsepower
(hp / kw @ rpm): 400 / 298 @ 6000 500 / 373 @ 6200
Torque (lb-ft / Nm @ rpm): 400 / 542 @ 4400 475 / 657 @ 4800
#10
Launching!
Join Date: Mar 2004
Location: Ontario Canada
Posts: 222
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by Spenser309
anyone know a 283 gen 1 bore x stroke? I was thinking about rebuilding the one in my garage.
3.875 Bore x 3.000 Stroke
Using a 4" bore block would give you the classic 302