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I like the idea of The Right Stuff sealant. Picking some up tonight. MSDS says it has a 2 hour cure, 24 hour full time on it. Can you get away with 2-3 hour before startup or is that pushing the limit? Would be nice to leave it for 3-4 hours then get to tuning.
Yeah... the electric fan on there now only shrouds about 16.5" square. Ordered the MarkVIII fan today and will swap it with the one in there now.
As far as the plugs go, this engine is full reman. They pull every plug, rod and boil and boil again if necessary. Very reputable company so I am not worried about the condition of the coolant passages. The heat is definitely getting to the coolant. It's whether it is getting out of the coolant that is questionable.
Worst case, electric fans, block the air flow at speed and do not have enough air flow at a stop to keep things cool. Most aftermarket "over the counter" fans do not have enough air flow or free flow area for primary cooling. Sounds like that may be your problem.
The factory shroud has a large area so at speed air flow is high. This is what I run. The Lincoln fan has been proven on these rigs so that should be good also with suitable alternator. If you can get to and from the highway with minimal stop and go, you might try running a test with no fan or shroud at all. I'd bet it runs 185 or so while rolling with 180 stat.
The temperature rating on a thermostat (i.e. 160°F, 180°F, 195°F, etc.) isn't the temperature rating of when the thermostat will be fully opened. It's the 'cracking' temperature rating (within 3°-4° of what's stamped on the thermostat) of when the thermostat will BEGIN to open. It will take another 15°-20° above the t-stat rating for it to be fully open.
okay...Here is a thought... Is there any possible restriction points in a stock manifold that could cause slow flow that can't be seen (hidden ports or what not only accessible via plugs) that could also be causing me flow restriction getting coolant out of the heads and block? The old block was icky. This is the same intake and it has not been boiled. Would upgrade to an Edelbrock Perfomer but I can't seem to find a 2bbl version and I don't want to buy another carb since this one is brand new. Also don't want the crap fuel mileage of the 4bbl.
Man... I have way too much idle head time to ponder this stuff.
"I like the idea of The Right Stuff sealant. Picking some up tonight. MSDS says it has a 2 hour cure, 24 hour full time on it. Can you get away with 2-3 hour before startup or is that pushing the limit? Would be nice to leave it for 3-4 hours then get to tuning."
You'll be fine. I've used the Right stuff on a lot of different things with immediately going back into service. You get what you pay for. It is "definitely the Right Stuff"...
Oh and you don't need to dimple the block or anything when using The Right Stuff. It's not a slippery silicone product (like Permatex blue for example). It adheres really well to smooth clean steel. It has a graphite feel to it when you use it. You'll see
okay...Here is a thought... Is there any possible restriction points in a stock manifold that could cause slow flow that can't be seen (hidden ports or what not only accessible via plugs) that could also be causing me flow restriction getting coolant out of the heads and block? The old block was icky. This is the same intake and it has not been boiled. Would upgrade to an Edelbrock Perfomer but I can't seem to find a 2bbl version and I don't want to buy another carb since this one is brand new. Also don't want the crap fuel mileage of the 4bbl.
Man... I have way too much idle head time to ponder this stuff.
Manifolds aren't going to cause an overheating issue; FE's have dry manifolds. No water flows through them. And 4bbls are more efficient than 2bbls. Same flow but 4bbls usually run on the primary 2 venturi until you mash the accelerator and run it wide open where it needs the flow of all 4 venturi to meet the flow demand.
Manifolds aren't going to cause an overheating issue; FE's have dry manifolds. No water flows through them. And 4bbls are more efficient than 2bbls. Same flow but 4bbls usually run on the primary 2 venturi until you mash the accelerator and run it wide open where it needs the flow of all 4 venturi to meet the flow demand.
OH MAN... this is the truck that just keeps on giving. Freakin posessed. One step forward. Nope, not happening.
So... I put a long block in to solve the issues I was having with the old, worn out engine. NOW, I got the intake resealed and retimed and tuned and the engine won't turn over when it is above 170 degrees. Yep, I know the drill. Timing too far advanced? Nope. Starter causing issues. Nope. That is brand new and cranks like a demon. Weak battery? Nope. Good wiring? Yes. Run the engine and as it warms up, it starts running worse and worse. Shut it down at about 170 or 180 and try to crank it, clunk, raaa. No crank. I put a ratchet on the crank bolt and tried to turn it and it is so friggen tight. Would take a breaker bar to rotate it. Let it cool down to 150 or below and it cranks. Someone botched it and put the wrong bearings in it. I am so frustrated. Gotta call the builder and see what they plan to do about it. Grrrrrrrrrrrrrrr. I hate this truck. I am too far into it to abandon the project now.
OH MAN... this is the truck that just keeps on giving. Freakin posessed. One step forward. Nope, not happening.
So... I put a long block in to solve the issues I was having with the old, worn out engine. NOW, I got the intake resealed and retimed and tuned and the engine won't turn over when it is above 170 degrees. Yep, I know the drill. Timing too far advanced? Nope. Starter causing issues. Nope. That is brand new and cranks like a demon. Weak battery? Nope. Good wiring? Yes. Run the engine and as it warms up, it starts running worse and worse. Shut it down at about 170 or 180 and try to crank it, clunk, raaa. No crank. I put a ratchet on the crank bolt and tried to turn it and it is so friggen tight. Would take a breaker bar to rotate it. Let it cool down to 150 or below and it cranks. Someone botched it and put the wrong bearings in it. I am so frustrated. Gotta call the builder and see what they plan to do about it. Grrrrrrrrrrrrrrr. I hate this truck. I am too far into it to abandon the project now.
I finally whipped it's *** Seabass! Not a bearing issue as I had thought. Worked with the engine builder and came to a resolution. I had to go through 2 reman starters from one company and a 3rd from a different reman place before getting it though. IT WAS A DAMNED STARTER!. The first 2 would pull like a mule until the got warm and then would break down and barely turn the engine over when it was up to temp. Went to a different parts place and got a totally different reman and it works like a dream! I put in the Lincoln MarkVIII 2 speed fan and it keeps the engine at a cool 160 (therm temp) at an idle and 180 in parade mode (doing 15mph in stop and go traffic). I wired the frist stage to a thermostat and the second stage to a switch in the dash. Under heavy load I flip the switch and it stays nice and comfy 180. YEAH!!!!! Geared for camper hauling so goes like a bat outta hell to 60 then a whistling noise occurs as it sucks the fuel tank flat at an astronomical rate. But damn does it run nice. Now on to the next part of the money pit... Thanks to all that helped me get through the ugly parts. I love this forum! No, I have not been drinking. But seriously... Love you man! HA
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