I have a new client.....
and he is building a car (AW11 MR2) to compete in..........
His car build (13 pages deep): https://grassrootsmotorsports.com/forum ... 821/page1/
and so work begins.....
... on the intake side
.... and the exhaust side
more to come.....
OST-051: One Lap of America
- oldeskewltoy
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OST-051: One Lap of America
OST Cyl head porting, - viewtopic.php?f=22&t=300
Building a great engine takes knowing the end... before you begin
Enjoy Life... its the only one you get!
Building a great engine takes knowing the end... before you begin
Enjoy Life... its the only one you get!
- oldeskewltoy
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Re: OST-051: One Lap of America
A bit further....
more to come....
more to come....
OST Cyl head porting, - viewtopic.php?f=22&t=300
Building a great engine takes knowing the end... before you begin
Enjoy Life... its the only one you get!
Building a great engine takes knowing the end... before you begin
Enjoy Life... its the only one you get!
- oldeskewltoy
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Re: OST-051: One Lap of America
3 down.....
and finishing with #4... just look at how nasty those exhaust seats are.... good thing they are getting a full 3 angle!
more to come.....
and finishing with #4... just look at how nasty those exhaust seats are.... good thing they are getting a full 3 angle!
more to come.....
OST Cyl head porting, - viewtopic.php?f=22&t=300
Building a great engine takes knowing the end... before you begin
Enjoy Life... its the only one you get!
Building a great engine takes knowing the end... before you begin
Enjoy Life... its the only one you get!
- oldeskewltoy
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Re: OST-051: One Lap of America
oldeskewltoy wrote:
just look at how nasty those exhaust seats are....
Not any more... and you can now see the "chunk" taken from the head.....
more to come.....
OST Cyl head porting, - viewtopic.php?f=22&t=300
Building a great engine takes knowing the end... before you begin
Enjoy Life... its the only one you get!
Building a great engine takes knowing the end... before you begin
Enjoy Life... its the only one you get!
- Rogue-AE95
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Re: OST-051: One Lap of America
That's a lot to cut... was it that bad? Seems like there won't be much left to cut for a rebuild.
'88 Corolla All-Trac x2 (manual, auto)
- oldeskewltoy
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Re: OST-051: One Lap of America
Rogue-AE95 wrote:That's a lot to cut... was it that bad? Seems like there won't be much left to cut for a rebuild.
"bad" - no... there is a small flow advantage when the head is cut to the point that the chambers edge meets the "squish" zone smoothly. In addition a smaller chamber allows for a better piston design since the chambers is now smaller
As to how much more this head can/could be cut... way back in 2010....... http://www.hachiroku.net/forums/forum/m ... he-rockies - Cliff Notes for those that don't want to read up... 32cc chambers
This head has at least one more .004-.006" cut left...
more to come....
OST Cyl head porting, - viewtopic.php?f=22&t=300
Building a great engine takes knowing the end... before you begin
Enjoy Life... its the only one you get!
Building a great engine takes knowing the end... before you begin
Enjoy Life... its the only one you get!
- oldeskewltoy
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- Joined: Wed Jan 09, 2013 4:44 pm
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Re: OST-051: One Lap of America
adding an oil drain to the intake side of the head....
more to come....
more to come....
OST Cyl head porting, - viewtopic.php?f=22&t=300
Building a great engine takes knowing the end... before you begin
Enjoy Life... its the only one you get!
Building a great engine takes knowing the end... before you begin
Enjoy Life... its the only one you get!
- oldeskewltoy
- Club4AG MASTER
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- Joined: Wed Jan 09, 2013 4:44 pm
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Re: OST-051: One Lap of America
and from a different perspective.....
more to come....
more to come....
OST Cyl head porting, - viewtopic.php?f=22&t=300
Building a great engine takes knowing the end... before you begin
Enjoy Life... its the only one you get!
Building a great engine takes knowing the end... before you begin
Enjoy Life... its the only one you get!
- Rogue-AE95
- Club4AG Expert
- Posts: 493
- Joined: Thu Jan 10, 2013 4:03 pm
- Location: Tampa Bay, FL
- oldeskewltoy
- Club4AG MASTER
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- Joined: Wed Jan 09, 2013 4:44 pm
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Re: OST-051: One Lap of America
Rogue-AE95 wrote:Nicely done!
ty...
all finished, and re-assembled, with 7 of 8 intakes valves now set @ .006", and one @ .007", and on the exhaust side there are 7 valves now @ .008", and one @ .009"
Packed with dummy cams to keep the shims in place, as well as not having any valves exposed do to having the real cams in
OST Cyl head porting, - viewtopic.php?f=22&t=300
Building a great engine takes knowing the end... before you begin
Enjoy Life... its the only one you get!
Building a great engine takes knowing the end... before you begin
Enjoy Life... its the only one you get!