406 Vette
SBC Standard Bore 400 Block.March 2008
It took some searching,but I found another 2-bolt dinosaur worth rebuilding that would have some cylinder thickness left after a .030" overbore.The block looked like it was more than 30 years old when I started[because it is] it's at the shop waiting for the rest of the machine work.The list includes:hot tank/degrease,magnaflux for cracks,sonic test for cylinder thickness,bottom tap bolt holes for main studs and align- hone,tap{chase} head bolt holes,groove/hone lifter bores,drill/tap starter bolt hole for straight pattern{for aftermarket starter},stroke check crank for deck height and square deck block,clearance check rotating assy.,bore +.030"& hone block w/deck plates and file gap rings for individual piston/cylinder fit,check cam bearing bore alignment and install/fit cam bearings,final wash block.Some of what was done I could have done myself at home but for the price and hassle of taking the block back and forth I was happy to have it all done at the shop.Here is a link to an interview with our local speed shop owner that did all the block work on my engine:
www.moparmax.com/features/interview/i_3-hest-1.html
After all this was completed and I had the short block together Dart came out with their SHP block,,,,,it was still cheaper this way but if I had that option from the start I would have sprug for the SHP block.
637HP from a 408ci. SBC with 9.9:1 compression for pump gas??? OK!!!! I want one!!!!!!:
airflowresearch.com/articles/article045/A-P1.htm
Dart SHP block info:
www.circletrack.com/enginetech/ctrp_0812_dart_shp_small_b...
Stock 400 block info:
www.carcraft.com/techarticles/400_small_block/index.html
Seven simple rules to build it to last:
www.popularhotrodding.com/tech/0512phr_engine_building_te...
Photo of 400 block main web,thin area:
image.chevyhiperformance.com/f/8962100/0701ch_22_z+chevy_...
SBC 406 2-bolt main "upper limits":
www.chevyhiperformance.com/techarticles/0802ch_406_small_...
The "Basics" and "Extra mile" of block prep:
www.circletrack.com/techarticles/ctrp_0701_engine_block_p...
This is a link to a old article that stirred my idea of what to do with my old 400 4-bolt main block core,some of the changes I did was planned from the start,like compression ratio,cam choice,rod choice for added rod/lobe clearance,other changes were due to budget and what will best suit the overall plan{used 2-bolt main block},so I ended up building a engine with alot of differences,but this article is what gave me the "basic plan".
Mean Mouse Chevy 406:
airflowresearch.com/articles/article095/A-P1.htm
SBC Standard Bore 400 Block.March 2008
It took some searching,but I found another 2-bolt dinosaur worth rebuilding that would have some cylinder thickness left after a .030" overbore.The block looked like it was more than 30 years old when I started[because it is] it's at the shop waiting for the rest of the machine work.The list includes:hot tank/degrease,magnaflux for cracks,sonic test for cylinder thickness,bottom tap bolt holes for main studs and align- hone,tap{chase} head bolt holes,groove/hone lifter bores,drill/tap starter bolt hole for straight pattern{for aftermarket starter},stroke check crank for deck height and square deck block,clearance check rotating assy.,bore +.030"& hone block w/deck plates and file gap rings for individual piston/cylinder fit,check cam bearing bore alignment and install/fit cam bearings,final wash block.Some of what was done I could have done myself at home but for the price and hassle of taking the block back and forth I was happy to have it all done at the shop.Here is a link to an interview with our local speed shop owner that did all the block work on my engine:
www.moparmax.com/features/interview/i_3-hest-1.html
After all this was completed and I had the short block together Dart came out with their SHP block,,,,,it was still cheaper this way but if I had that option from the start I would have sprug for the SHP block.
637HP from a 408ci. SBC with 9.9:1 compression for pump gas??? OK!!!! I want one!!!!!!:
airflowresearch.com/articles/article045/A-P1.htm
Dart SHP block info:
www.circletrack.com/enginetech/ctrp_0812_dart_shp_small_b...
Stock 400 block info:
www.carcraft.com/techarticles/400_small_block/index.html
Seven simple rules to build it to last:
www.popularhotrodding.com/tech/0512phr_engine_building_te...
Photo of 400 block main web,thin area:
image.chevyhiperformance.com/f/8962100/0701ch_22_z+chevy_...
SBC 406 2-bolt main "upper limits":
www.chevyhiperformance.com/techarticles/0802ch_406_small_...
The "Basics" and "Extra mile" of block prep:
www.circletrack.com/techarticles/ctrp_0701_engine_block_p...
This is a link to a old article that stirred my idea of what to do with my old 400 4-bolt main block core,some of the changes I did was planned from the start,like compression ratio,cam choice,rod choice for added rod/lobe clearance,other changes were due to budget and what will best suit the overall plan{used 2-bolt main block},so I ended up building a engine with alot of differences,but this article is what gave me the "basic plan".
Mean Mouse Chevy 406:
airflowresearch.com/articles/article095/A-P1.htm