-=> Quoting KEITH SCUDDER to LANDON ROBINSON <=-
 
 LR>Chevy made a lot of small blocks. Hmmm lets see... (correct me if
 LR>I'm wrong) the 262, 265, 267, 283, 302, 305, 307, 327, 350, 383
 LR>(combination of 350 and 400 parts) and the sb 400
 KS> 70's and a fondness for Chevy's. :) You know the 383 you mentioned
 KS> was accomplished by using a 400 SB V-8 with the crankshaft of a 350
 KS> using special bearings. The 400 also needed external balancing...
At .030" overbore the above would be a 377.  A 4.155" bore and a 3.48"
stroke.  The 383 is the other combo with the 400 crank in a .030" over
350 block.  So it's 4.030" bore with a 3.75" stroke...  a stroker 350.
The 377 was probably used more initially, for performance applications,
since the short stroke would give less piston speed and more high RPM
horsepower.  The 383 makes good torque and power for performance street
applications, and may have less problems with bore distortion on the
siamesed 400 block.
 KS> There's nothing wrong with a healthy L-88 427 V-8 in a 70' Chevelle.
It could sure go there, but the LS6 454 was the factory hot-rod in '70.
The 427 came in '69 and earlier Corvettes and could be ordered by dealers
as a COPO option for the L-88 and ZL-1 Camaros and Corvettes, as I recall.
 KS> What was real nice right from a Dealer was the SS 454 V-8 Chevelle in
 KS> 71'. It was just about the same engine as the 460 HP engine offered in
 KS> the Vette of the same year and same engine size.
It lost some compression and a fair amount of power after 1970, not that
you couldn't put it back though!  Ford and Chrysler snuck a few high
compression models out in some early '71 models anyway.  I think they
were required to lower the compression for low-lead gas in January of
1971, but I'm not sure of the exact reason.
... GM Performance Parts - Aluminum ZL-1 Block #12370850  1-800-577-6888
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