Milled 243 Heads On 5.3 at Angela Williamson blog

Milled 243 Heads On 5.3. I'm looking to install a set of 243/799 heads on my 5.3. If you are looking at purchasing a set of cylinder heads, we do offer a stage 2.5 fully cnc ported 5.3 cylinder head that we can mill to. With a bigger cam you can mill the heads for up to 10.8 compression which runs on pump gas. I was looking to swap to a ls3/l92 style head from the cathedral style head. Was wondering if i should do ported polished 706 heads or go with milled 243's (otherwise stock 243's) with a 212/218 cam. The 4.8 and 5.3 come with 799(243) heads from the factory nowadays. That's what i needed to mill down to a 60 to 61cc. I'm trying to puzzle out the best way to get a gen4 5.3l from 10:1 up to around 10.8 or so. I would run them the way they are. The stock heads have a combustion chamber volume of 61.15cc, and. If you're still interested in running the 243/799 cylinder heads on an lm7 5.3l i would highly recommend milling the cylinder head at a minimum of 0.025 to bump up the compression ratio back to the factory as seen here. You can mill the heads to maintain the compression, but the.

With a bigger cam you can mill the heads for up to 10.8 compression which runs on pump gas. Was wondering if i should do ported polished 706 heads or go with milled 243's (otherwise stock 243's) with a 212/218 cam. I was looking to swap to a ls3/l92 style head from the cathedral style head. I would run them the way they are. You can mill the heads to maintain the compression, but the. The 4.8 and 5.3 come with 799(243) heads from the factory nowadays. If you are looking at purchasing a set of cylinder heads, we do offer a stage 2.5 fully cnc ported 5.3 cylinder head that we can mill to. That's what i needed to mill down to a 60 to 61cc. I'm looking to install a set of 243/799 heads on my 5.3. I'm trying to puzzle out the best way to get a gen4 5.3l from 10:1 up to around 10.8 or so.

243 heads, Gen IV 5.3/5.7/6.0L rods with 5.3L flat top pistons

Milled 243 Heads On 5.3 That's what i needed to mill down to a 60 to 61cc. Was wondering if i should do ported polished 706 heads or go with milled 243's (otherwise stock 243's) with a 212/218 cam. That's what i needed to mill down to a 60 to 61cc. I would run them the way they are. If you're still interested in running the 243/799 cylinder heads on an lm7 5.3l i would highly recommend milling the cylinder head at a minimum of 0.025 to bump up the compression ratio back to the factory as seen here. The stock heads have a combustion chamber volume of 61.15cc, and. I'm looking to install a set of 243/799 heads on my 5.3. The 4.8 and 5.3 come with 799(243) heads from the factory nowadays. With a bigger cam you can mill the heads for up to 10.8 compression which runs on pump gas. You can mill the heads to maintain the compression, but the. I'm trying to puzzle out the best way to get a gen4 5.3l from 10:1 up to around 10.8 or so. I was looking to swap to a ls3/l92 style head from the cathedral style head. If you are looking at purchasing a set of cylinder heads, we do offer a stage 2.5 fully cnc ported 5.3 cylinder head that we can mill to.