daviddunivan
Contributing Member
"ok, got the new engine out on
"ok, got the new engine out on the water in my boat this past weekend, it is a 3.7 completely rebuilt. i did use the old exhaust elbow with the coolant tank on it but i keep loosing coolant fast out of the cap and where the riser meets the manifold. if i keep water in it the boat runs like new, very pleased with the build except for this part. i ordered a new riser/coolant tank, and mounting kit as my riser had rust build up bad inside. question is the cast iron riser/tank is mounted on the aluminum manifold, do these normally give any trouble or get warped causeing the situation that i have or is it likely a bad tank riser, or bad gasket seal... i installed just as the manual said and torqued properly, the gasket looked like it made a good seal but leaked my fluid out. so how do i stop this from happening with the new one when it get's here tomorrow...any thoughts or help is great, thanks."
"ok, got the new engine out on the water in my boat this past weekend, it is a 3.7 completely rebuilt. i did use the old exhaust elbow with the coolant tank on it but i keep loosing coolant fast out of the cap and where the riser meets the manifold. if i keep water in it the boat runs like new, very pleased with the build except for this part. i ordered a new riser/coolant tank, and mounting kit as my riser had rust build up bad inside. question is the cast iron riser/tank is mounted on the aluminum manifold, do these normally give any trouble or get warped causeing the situation that i have or is it likely a bad tank riser, or bad gasket seal... i installed just as the manual said and torqued properly, the gasket looked like it made a good seal but leaked my fluid out. so how do i stop this from happening with the new one when it get's here tomorrow...any thoughts or help is great, thanks."