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It doesn't back fire or idle down, it just straight up quits running. Like someone turned it off. I have the Accel coil on there. It's not but maybe a year or two old. It's got a what I still consider a new engine harness even though it's a couple years old from Year One. The wires, cap, rotor...

On this 65 Valiant 170 I've got. It starts up easy and idles good. It's got the most vacuum I can get out of it for it's wear and tear. It's between 16-18 in-hg at idle. It appears the motor has some miles on it but it idles smooth and no unusual noises. All electronics have been gone through...

I'm debating changing the oil pan gasket on my 65 Valiant 170 because it's really nasty. I've already changed, intake/exhaust manifold gaskets, valve cover gasket, timing cover gasket, oil pump gasket. I've got the factory manual and it says you have to remove the center link and raise the...

Ok that's one thing I haven't touched on, is adjusting the valves. I have no idea of the true mileage of this engine or how long it had been in the car. It's not the original for sure it's not even the right size. It should be a 225 and someone swapped it with a 1966 170 probably not realizing...

I've got the backfire through the carb situation taken care of it seems. I believe it was a carburetor gasket with a vacuum leak. I installed a new gasket today and I was able to rev up the engine with no more backfiring. It starts fairly easily seems to have reasonable power but I just drove it...

Hey I pulled a factory 1 groove clutched RV-2 with all the brackets and idler setup off of a 1969 Valiant with a 225 and power steering. Will it fit on my 65 Valiant with a 170 and no power steering? I took the dual groove water pump pulley, the add on crank pulley, and the fan spacer. Two of...

Ok I found the exhaust leak and of course looks like everyone knew where it was. It's on the backside of where the intake and exhaust bolt together. So should I take it apart again and bolt that together and use Copper Spray or Copper Silicone. I use the fel=pro gasket and it comes with a thin...

I know it's an exhaust leak. Because it's got that tractor sound coming from the area of the manifold. I just can't pinpoint where it's escaping. The flange to the the manifold is new and tightened. I can't judge where the exhaust is leaking out because the fan is blowing while the engine is...

Ok my intake/exhaust gasket was leaking vacuum on my 65 Valiant 170. So I decided to replace it. I took everything off replaced the gasket and now it sounds like a tractor. No more vacuum leaks or sucking in air when I spray around the manifold but it's louder. So something is misaligned or...

What should I have the timing at? I have it at 2.5 degrees btc correct for 1965. Isn't vacuum leak going to cause backfire too?

I remember when I had an intake leak on my 73 Charger with a 400 and it was causing all kinds of problems starting and idling. I was working on the Valiant last weekend and I reset the timing to 2.5 degrees BTC and did the mixture adjustment for smoothest idle just as the Plymouth service manual...

I've got this 65 Valiant running pretty good considering it has an intake manifold gasket leak. I put a new gasket on 2 years ago when I got the car but never have driven it on the road but started it a few times. It's leaking now. It's hard to start up. I'm guessing that has something to do...

Which one would flow more air? I see that the Carter is more readily available from parts warehouses than the Holley 1920. I've got one that was on the engine when I got it that crossed to a year of 1962. It didn't have the vacuum spring staged choke pulloff on it like the rebuilt one I got from...

I've got a stock 65 Valiant with a stock 1966 170. It had a 1962 Holley 1bbl on it when I got it. It does ok but the carb is needing to be replaced. What's the best running carb on one of these Slant Sixes the Holley 1920 or the Carter BBS? I'm not looking to try and gain HP but according to my...

I've got this 65 Valiant with a 170 that I'm getting finished up to put back on the road. It's by far not finished. It's stock inside as far as I know. The motor is a 1966 170. It's got a Holley 1920 and stock exhaust and points ignition. I know the small stock air cleaner was restrictive so I...

I've got a 65 Valiant 4-door with the 170 Slant Six that runs decent with the Holley 1920 1bbl. But I want a little more kick if possible plus I may want to add an underdash A/C. I know this a 1966 170 block and rebuilt before with not many miles on it but milegae unknown. I see the Offenhauser...

The fuel isnt that old. I put it in a few weeks ago. The tank was cleaned when I got it. The tank shop said it was pretty clean inside. I put about 3 gallons of fresh gas in a few weeks ago. We rechecked the firing order today and it is correct.

I couldnt get it running smooth with the old carburetor so I swapped it out and put it a new distributor while I was doing that. I believe when we did have it running a year ago with the old carb and distributor on it was running, but running rough, idling rough. But at that time was when I got...

After sitting awhile outside my 65 Valiant with a 170 finally started up and still idles like it should. About 3 or 4 months ago I installed a remanufactured carb, reman distributor, plugs, wires, cap, rotor, coil. I set the timing to 5 BTC and it's still on that same mark today. Even when I...

This 65 Valiant has been sitting for 2 years outside. The engine has good compression and I don't believe there is any issues with it. It appeared to have been either replaced or rebuilt when I got the car. It's supposse to be a 225 in the car but it's actually got this 66 170 in it. I didn't...

What is the proper size and length of the harmonic balancer bolt on a 170? I got a 3/4 coarse thread 1.5 inches and it doesn't feel like it's the right size. It's a 66 170. I want to have a crank bolt on it so I can turn the crank if I need to adjust timing and I just feel more secure that...

Finally I got the pump on my 65 Valiant's 170. It was still a pain. I had cleaned up the pump and put new gaskets and seals. I had to reuse the cover seal because the new o-ring kept falling as I was trying to bolt the cover on. I hope it doesn't leak, it was still pliable and had no cracks or...

I'm not even worried about how difficult it will be. I know it can be done. I asked a guy at a local car show here that had a 64 Valiant 2-door with a 170 and he added aftermarket a/c to his with a newer style Sanden compressor and he said it wasn't a big deal. I've got shops I can get to do the...

Ok I'm about to reinstall my original oil pump just with all new seals. It passed all the measurement tests in the Chrysler service manual. I'm just trying to get this 65 Valiant 170 running and moving so I'm trying to save money. The numbers on the pump read as follows: 2121678 on the body and...

Ok before I mess up the head on the oil pressure relief valve what should I use to remove it? This actually appears to be an original oil pump with the Chrysler #s still on it. Everything looks good. The Melling rotor and seal kit is no longer available and the pumps are expensive. This one...

That old 2.5L in my Ranger that died because of the oil pump lasted 228,000 miles. I was disappointed I was hoping it would make it to at least 300,000 without dying. I've heard the realiability of the Slant Sixes to be great too, hopefully I can put everything back on and run it for a few years...

Yeah I don't really see how this thing could even fail unless the gear sheared off. There's not really anything to break unless it just totally falls apart. My oil pump died on my Ford Ranger in the winter time in Kentucky while on a trip, but no one could ever tell me why it died.

Actually we just got it out about an hour ago. Raised it up a little more and used a long 2x4 and tilted the engine over. May have scraped the firewall paint a little but who cares. It's not show under the hood anyway. A little tan touch up paint on the firewall and it will be good. It's...

No I'm in north GA. Lately there's been a lot of bad thunderstorms. That's what happens here with all the humidity. But lately it's been high winds that's taking down trees. This 65 I have is right under a hundred year old oak tree. It's on a lot at my father's house that's all wooded. There is...

I think that's how we have it. I was going to go mess with it today but it started to rain and it's outside. I know we have the pass. motor mount totally off because I'm waiting for it in the mail. The driver's side has been replaced with a new one so there's probably not as much leeway now...