Send us your good used cam (core) and Toyhead Auto's experienced team can custom grind your cam to any performance specification profile you want. From smog legal performance to full out racing. If you are not sure of the duration and lift you want. Just tell us at what R.P.M. you want peak power. What you are using your vehicle for and we will do the rest. Depending on your application prices are about $186.00 per cam.
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Toyhead Auto Camshaft Install
You can just install the cam only and run the motor
with all the OEM parts.
But we at Toyhead Auto.com highly recommend to also install new rocker arms and springs to get the best performance and life out of the cam. Especially if the motor has high mileage. Valve springs get weak over time and do not keep the valve closed properly at higher RPMs. This causes the engine's peak rpm power to occur at a lower and lower rpm as the valve springs get weaker. Thus power is being lost. This loss of power condition at high RPM due to valves not staying closed properly is known as "valve float".
When setting the valve last the engine must
be hot or at least warm in order to be accurate.
Factory valve lash setting for 20R, 21R,
22R and 22RE is .008 intake. and .012 exhaust.
You can also run the lash as
small as .006 and .008 ex. with no problems.
When you make the valve lash smaller you not only get more valve lift opening, but also more duration because the rocker arm will then
open the valve a little sooner and close it a little later with the tighter setting.
If you are running domed racing pistons of 10 to 1 or higher always check the valve to piston clearance.
This can be done by placing a piece of clay on top of the piston and turning the motor over by hand with the head bolted on to spec.
Then removing the head to measure the impression in the clay to see how close the valve comes to the piston.
There should be a valve to piston clearance minimum of at least .100 inch.
Standard 20R, 21R Replacement Valves, Set of 8 Intake 44.0mm, Exhaust 36.0mm. $125.40
No.7203SG 22R, 22RE Valves,
44.5mm Exhaust 37.5mm (full set of 8). $136.00
*(An upgrade for the 20R engines with cast iron rocker arms)
*(An upgrade for the 20R engines with heavy cast iron rocker arms)NEW!!! Entire Aluminum Rocker Arm Assembly, for 20R, 21R 22R, 22RE Engines. All New Parts. No Core Charge Needed
Come with rocker shafts and all. $274.00
Please note: A $65.00 core charge must be added to the price above and is refundable in exchange for your old 22R, 22RE rocker assembly.Special!!! Entire Aluminum Rocker Assembly, for 22R, 22RE, 22RE-T Engines. Remanufactured.
(This is a performance upgrade for the 20R an 21R motors that came with heavy cast iron rocker arms )
come with rocker shafts and all * $128.05 Plus $65.00 core charge.
NEW!!! Cylinder Head Gasket, Standard High Quality Replacement.For 20R, 21R Engines $30.76
For 22R, 22RE Engines $35.53
High Performance Metal Head Gasket. 20R, 21R, 22R, 22RE.
Max. Bore 95mm, Thickness 0.40
These gaskets use a high pressure steel laminate design. They will withstand extremely
high shear forces that occur between an aluminum head and iron block.
It's internal embossments expand with heat to create a better seal when under extremely
high combustion pressures and temperatures - as is the case with heavy nitrous and
turbo-charged applications. $118.00
NEW!!! Cylinder Head Gasket Set
All The Gasket Pertaining o the Cylinder Head
For 20R, 21R Engines $92.95
New!! Valve Cover Grommet Seal (hold down nut seals) Set
20R, 21R, 22R, 22RE Engines
Set of 4 - $16.45
Valve Cover Gasket Set
Includes: Valve cover gasket and hold down nut seals.
For 1975 to 1984, 20R, 21R, 22R, 22RE Engines $33.93
For 1985 to 1995 22R, 22RE Engines $33.93
Includes:Engine/ Year/ Part Number/ Price
Cam Gear, Crank Gear, New Tensioner, All Guide Rails, O-Rings, Gaskets and
22RE 1985-1995 (TS11811) $71.83
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Thank you for visiting Toyhead
Auto Restoration Services!
Philadelphia, PA. USA