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1. clutch. Recommendations?
2. 10 or 11” flywheel. Which one and should it be ground or can I use a 97 or 98 f150 stock?
3. slave cylinder. Is it internal? Which one should be used? 97 or 98 f150.
4. Master cyl. Pre bled and filled from Oreillys? From the same your truck as the trans (97/98) or should it be for an 89 f150? As per @franklin.
5. Halle effect sensor on pumpkin.
6. driveshaft. I’d prefer to buy from junk yard for the right truck and model then new or have it cut down.?
Your feedback is appreciated.
phil
Last edited by Pip1972; Feb 27, 2024 at 08:59 PM.
Reason: Oversight
Go to rockauto and look up a 1982 300 six flywheel. The look up a 89 300 six flywheel. Even though you think your trans is a 97-98, those trucks are too late to do a direct comparison. I think they quit making the 300 six sometime in 96.
Same with the slave, though you will need to pick a 1984 300 six and compare it to the 89. I believe they are all internal, you will see that right away when you look it up. The picture will look like a round throwout bearing with lines coming out of it if it's internal. If it's external it will look like a little cylinder.
I have forgotten the deal on the sensor on the pumpkin. Your truck originally did not have one. Why do you need it?
Where do you live. You can plug in a 1989 f150 and see if someone nearby has a driveshaft on www.car-part.com
On the pedals if you have a 80-83 truck, think 84 to 86 went hydrolic you have to use the 84-86 pedals as the 87> dash is different and will not bolt to the <86 trucks dash.
Cant help on the master as my 81 F100 uses good old linkage
Dave ----
My 81 has a clutch pedal. The truck originally had a three on the tree trans. Some one then installed a C4 or C5 and graciously (maybe) left the pedal. From the previous conversation I believe this pedal won’t work? There was linkage hardware on the frame rail at one point I believe.
My 81 has a clutch pedal. The truck originally had a three on the tree trans. Some one then installed a C4 or C5 and graciously (maybe) left the pedal. From the previous conversation I believe this pedal won’t work? There was linkage hardware on the frame rail at one point I believe.
I have not looked that close at the hydro pedal assy. and the linkage assy. I have but I believe where the arm on the end of the clutch shafts are at different clockings.
I also dont know because of the different clocking if the shafts are different or if you can change the "arm" on the ends?
When I say clocking look at the arm on the end between the 2 assy..
Linkage is set up to push a rod down through the floor where the hydro one pushes through the firewall where the master cly is bolted to.
So you may need to come up with a hydro pedal assy from a 84 - 86 truck.
Dave ----
Go to rockauto and look up a 1982 300 six flywheel. The look up a 89 300 six flywheel.
According to Rock Auto the flywheels are the same btwn an 82 and an 89.
Originally Posted by Franklin2
Same with the slave, though you will need to pick a 1984 300 six and compare it to the 89. I believe they are all internal, you will see that right away when you look it up.
I have read that the Mazda transmission have the internal slave cylinder. The slave cylinders are different from the 84 & the 89. Rockauto has several kits for the 89 that include the correct MC , Slave and flywheel. I will need to read up on the procedure for replacing the slave on the Mazda trans I have.
Question is on the clutch. There are 10” & 11”. All I can determine is the 11” were used on trucks over 8K lbs. I would like to use a beefier clutch as I may eventually put a turbo on it. And that may or may not be irrelevant but I suspect it would be happier with a heavier duty clutch.
If the flywheel you buy is drilled for the 11 inch clutch, then you can use a 11 inch clutch. A bunch of the aftermarket flywheels are drilled for both. Sometimes if you have a lower flywheel cover that was for a 10 inch clutch, the 11 inch clutch setup will rub the lower cover. I have run vehicles for years without a cover at all. The 89 I swapped to a zf has never had a flywheel cover on it.
So what should I consider or need to know about what clutch to install? 10 or 11”? No racing…. Very light pulling if any. Some city driving but I’m rural so most will be commuting .
So what should I consider or need to know about what clutch to install? 10 or 11”? No racing…. Very light pulling if any. Some city driving but I’m rural so most will be commuting .
So what should I consider or need to know about what clutch to install? 10 or 11”? No racing…. Very light pulling if any. Some city driving but I’m rural so most will be commuting .
If the flywheel you have has bolt holes for both the 10" and 11" clutch assy.
If drilled for the 11" then you can go with the 11" clutch.
I did not know this when I was rebuilding my truck or I would have gone for the 11"
With that said I got the 10" and dont see any issues using it even pulling my car trailer when I need to.
Originally Posted by Pip1972
@FuzzFace2 can you elaborate on what you mean here? I am putting the Mazda trans in my 81 F100 so I am doing much the same.
TIA.
I manual transmission trucks there is abolt on pan where the shifter comes thru the floor.
Some pans are taller than others to clear the transmission because the transmission is taller. Maybe this is only the ZF5 transmissions?
Also the hole where the stick comes thru are in different locations.
At least between the T18 and the SROD transmissions as they were the 2 pans I had at hand.
My truck came with a T18 that was bad so replaced it with a NP435 and at the same time added an over drive unit that pushed the trans back 7.5"
I wanted to keep everything for the T18 if I wanted to rebuild and stick it back in so I used the SROD pan and mod it to work .
SROD pan
T18 pan on left the mod SROD on the right for the over drive
Dave ----
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