All posts made by oldeskewltoy that members have liked.
Final assembly.....
http://ost.ebeans.ch/albums/userpics/10005/normal_assembling_finished_head.jpg
The rocker shafts are set, both bolts torqued to 8.8N-m(78 "/#s)
All assembled, waiting...
Prior to assembly... all the parts, and tools laid out
http://ost.ebeans.ch/albums/userpics/10005/prior_to_assembly_smller.jpg
Now one of the careful touches I do is when assembly the valve, spr...
2 weeks..... :rolleyes:
So with the new valve job the numbers didn't improve.... until I added a clay radius at ports edge.
http://ost.ebeans.ch/albums/userpics/10005/normal_head_on_benc...
It was a "wash".... the stock valves flowed very close to the Supertech valves in the ported head. They did flow marginally less, but they were close. What I found out when I checked Supertech ...
It was a "wash".... the stock valves flowed very close to the Supertech valves in the ported head. They did flow marginally less, but they were close. What I found out when I checked Supertech ...
It was a "wash".... the stock valves flowed very close to the Supertech valves in the ported head. They did flow marginally less, but they were close. What I found out when I checked Supertech ...
OMFG...... 2 weeks to get valve seats, and install them...... :banghead:
anyway.... the head is back in my possession, and the new seats has been opened to the size of all the other seats... the...
small bit of explanation.... the above gif was taken from a Brit TV show called, "Are You Being Served", comedy about department store employees. The gif is from an episode where that mannequin ...
our specs....
http://ost.ebeans.ch/albums/userpics/10005/SR20VE_valve_guide_specs.jpg
of course in millimeters - so we must convert
.04mm = .00157"
.073mm = .00287"
So tight guides w...
I had to look this up.... still unsure, unless it is a synonym for cyl volume matching.... but yes, with new valves, and machine work to come, I may need to adjust chamber volumes.
Speaking...
nothing wrong with them.... there was some wear (to be expected)... the new exhaust valve just moves the tolerance back to the middle of the spec
Boy... I'm having a tough time communicating ...
Well.... as I've already told my client.... I've got some good news.... and some bad news.
First the bad news... #1's valve seats will be replaced on my dime :facepalm: between the new guides...
small bit of explanation.... the above gif was taken from a Brit TV show called, "Are You Being Served", comedy about department store employees. The gif is from an episode where that mannequin ...
small bit of explanation.... the above gif was taken from a Brit TV show called, "Are You Being Served", comedy about department store employees. The gif is from an episode where that mannequin ...
something not often seen... call it piston's eye view......
http://ost.ebeans.ch/albums/userpics/10005/flow_adapter_on_head_2_panel.jpg
above is my 86mm flow adapter laid over cyl #1....
...
something not often seen... call it piston's eye view......
http://ost.ebeans.ch/albums/userpics/10005/flow_adapter_on_head_2_panel.jpg
above is my 86mm flow adapter laid over cyl #1....
...
http://ost.ebeans.ch/albums/userpics/10005/blending_intake_seat_2_panel.jpg
the top panel reveals a small "high spot", so breaking out the 25 micron (about 800 grit) sanding band I GENTLY blend ...
FINALLY....
http://ost.ebeans.ch/albums/userpics/10005/after_valve_job_____.jpg
one of the negatives to having an "in" at a race shop... sometimes when they have their own clients work... ...
FINALLY....
http://ost.ebeans.ch/albums/userpics/10005/after_valve_job_____.jpg
one of the negatives to having an "in" at a race shop... sometimes when they have their own clients work... ...
The head is back @ the race shop...... do to the ice, and the fact that the shop is closed Fridays.... I'm hoping for it back by next weekend.... once more happens, I'll post more....
our specs....
http://ost.ebeans.ch/albums/userpics/10005/SR20VE_valve_guide_specs.jpg
of course in millimeters - so we must convert
.04mm = .00157"
.073mm = .00287"
So tight guides w...
our specs....
http://ost.ebeans.ch/albums/userpics/10005/SR20VE_valve_guide_specs.jpg
of course in millimeters - so we must convert
.04mm = .00157"
.073mm = .00287"
So tight guides w...
I had to look this up.... still unsure, unless it is a synonym for cyl volume matching.... but yes, with new valves, and machine work to come, I may need to adjust chamber volumes.
Speaking...
Forgot this until today..........
http://ost.ebeans.ch/albums/userpics/10005/ost-037.jpg
this head now carries an OST serial number ;)
a slightly different view.... this time from the i...
Forgot this until today..........
http://ost.ebeans.ch/albums/userpics/10005/ost-037.jpg
this head now carries an OST serial number ;)
a slightly different view.... this time from the i...