Nathaniel Watts
Member
I have an IH SD 220 truck engine that I'm having trouble getting the ignition timed right. Does anyone know the proper procedure?
- Thread starter Nathaniel Watts
- Start date
Wheat Farmer
Well-known Member
Don't know about that engine, but some IH engines were timed on # 8 cyl.
Janicholson
Well-known Member
crawlerjohn
Member
The Silver Diamond 220 is a early 50's 6 cyl. may have timing on flywheel.
crawlerjohn
Member
Initial setting 4 degrees. Distributor turns counter-clockwise and vacuum is manifold vacuum so it retards.
Anonymous-0
Well-known Member
Yes there is a small flap that swings open and the flywheel has a mark.
Later Bob
Later Bob
Anonymous-0
Well-known Member
Haven't figured out yet how to time a six on #8...but I'm willing to learn.
Anonymous-0
Well-known Member
Engine basics, man.
Roll #1 up on TDC on the compression stroke. Set rotor/cap to #1 plug terminal. Then fine tune as necessary. BUT...make sure the engine is warm before fine-tuning, and the choke is off/carb isn't up on the fast-idle cam and the throttle blades are closed so the engine is running on the carb's idle circuit. See that idle is down to around 450 rpm, so vacuum advance isn't a factor. Then twist distributor in block as necessary to get the proper setting.
Roll #1 up on TDC on the compression stroke. Set rotor/cap to #1 plug terminal. Then fine tune as necessary. BUT...make sure the engine is warm before fine-tuning, and the choke is off/carb isn't up on the fast-idle cam and the throttle blades are closed so the engine is running on the carb's idle circuit. See that idle is down to around 450 rpm, so vacuum advance isn't a factor. Then twist distributor in block as necessary to get the proper setting.
When the small V8 IH engines were quite new in the area, about 1962 or so, local Coop calls me up at the IH dealership. Asks, if that V304 has a timing chain or gears. I said, gears, why. Well, he says. I cannot get the timing anywhere near close. I said, hook your light to number 8 cyl, problem solved.
So far as the 220, I would unhook the vacuum advance to set timing. Then make sure the centrifical advance actually advances timing when speeding up engine. Can't tell you total advance but in neighborhood of 30 degrees. Kind of hard to tell also looking through that little hole at flywheel.
So far as the 220, I would unhook the vacuum advance to set timing. Then make sure the centrifical advance actually advances timing when speeding up engine. Can't tell you total advance but in neighborhood of 30 degrees. Kind of hard to tell also looking through that little hole at flywheel.
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