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I am in Niagara area and have used and recommend a shop near me.
PM me.
 

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1 hp and 1 ft/lb torque for each pound of car is a good start I think.
 
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Late to the fight, but here’s one more vote that’s a freeze plug leaking.

When I was younger, I replaced 2 freeze plugs in my 68 GT 390 without removing the engine. Jacked the engine up/removed the motor mount. I couldn’t do that today as my body won’t let me, but with your small block car, you should be able to do it.

Personally, I just pull the motor and replace all the freeze plugs. If one is rotted, trust me, the others aren’t far behind. Plus with it out you can check it out for the crack that is .0001% possible.
 

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Replace them with brass. No more rust.
 

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I once looked over a car that was dripping coolant from the bellhousing. Cleaned it carefully, and dusted it with talcum powder. Turned out the leak was at the top of timing cover, and the coolant was travelling along the top edge of the oil pan to rear of the engine.
 

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You mean for each HUNDRED POUNDS of car?
Haha ! Yes ! This is why I get in trouble with this phone and auto"correct" (more like auto-corrupt).
Although, a 3,000 hp Mustang would be fun...for a moment...
 
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Horse power costs money. IMO the most cost effective way forward would be finding a well respected local engine builder. Take your parts to him and I’m sure they will work with you.
Everyone loves lots of HP but don’t use 450 as deal breaker.
As soon as you start pushing that kind of power through the original drive train, something will break.
I don't know about Canada, but in Colorado, it's nearly impossible to get an engine built locally these days. Everyone is backed up and unable to get parts. The guys in Mustang club tell me they can't even get anyone to answer the phone. So, a crate motor sure sounds like a good option right now.

Anyway, glad to hear the OP's block isn't busted.
 

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Been working on getting my 1968 Mustang back up and running. Found the block leaking. I got this car 30 years ago so at this point I have no choice I need to do something. So I am thinking a new crate motor. Any advice? I am looking for around 450hp, roller cam and lifters so I dont have to mess with lash. I plan on putting a Tremec TKX and a Holley super sniper on it with some FBA headers. My engine has a Victor Jr. Intake and the heads are cast ported polished with harlem sharp rocker arms. Maybe I could use those and save me some money?
I don't know, at this point it seems like I am going to be broke no matter what way I go. I could tear it down and get a new block but it seems like its not really cost effective. I want this to be my "daily driver" ( but only seasonal) and to take it to the track maybe once or twice a year for fun. View attachment 818279
Could it be a freeze plug leaking and not the block?
 

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Discussion Starter · #35 ·
Could it be a freeze plug leaking and not the block?
I am pretty sure it was the head gasket leaking down. In the process of putting a new head gasket on, a little bit after work each day. I put a rag above the dripping spot and it stopped and I saw water at the head gasket and not on the head so I hope I got it right =).
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