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Re: Rebuilt 340 [Re: RapidRobert] #592635
01/24/10 10:33 PM
01/24/10 10:33 PM
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70duster340 Offline OP
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There was a friend of his there who advised that he worked in the oil industry for his career. He advised a straight weight oil (30W), with a good zinc additive. It did seem to run well when I was there, but he did have some difficulty getting it to idle. He made some adjustments to the carb, and it settled right down and idled well.

Now you have me concerned that the oil should have been much darker?

Re: Rebuilt 340 [Re: 70duster340] #592636
01/24/10 10:43 PM
01/24/10 10:43 PM
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RapidRobert Offline
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Quote:

He advised a straight weight oil (30W), with a good zinc additive.


That sounds correct. I'm hoping that he had the rpm up (~2500) for 20-30 minutes before he was letting it idle. I did overdo it w the amt of goop I used but the cam did survive


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Re: Rebuilt 340 [Re: RapidRobert] #592637
01/24/10 10:53 PM
01/24/10 10:53 PM
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70duster340 Offline OP
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Well, I can only hope that my cam also survived. He had several other engines there that he was about to work on, but all were GM engines. He builds racing engines for his sons and friends, so I am hoping that he used the same degree of detail on my engine that he uses for them. I guess that only time will tell.

I can say that, while it was on the run stand, it never shook at all, but idled and ran very smoothly. I'm sure that part of this was the fact that the run stand and the mounts were all metal, but even so, if it were not running well, the stand still would have shaken at least a bit. It was also on casters so he could move it around. It was very steady during the run, which did last about 10 minutes. He assured me that he had already performed the cam break-in run before I was present for the other run.

Re: Rebuilt 340 [Re: 70duster340] #592638
01/24/10 11:05 PM
01/24/10 11:05 PM
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Quote:

He assured me that he had already performed the cam break-in run before I was present for the other run.


Alright it sounds like my concerns were totally unfounded. Change oil/filter, release the valve springs & grab some 30wt w additive or brad penn as is & lube the cyls & you're good


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Re: Rebuilt 340 [Re: RapidRobert] #592639
01/25/10 11:00 AM
01/25/10 11:00 AM
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70duster340 Offline OP
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I hope that your concerns (and now mine) are unfounded, but all I can go on is his word on this.

About the filter. Since I am going to hook up the dual remote filter when the engine is reinstalled, do I need to install a filter? Should I just use one of the 2 filters I have already purchased to use on the dual remote filters?

I apologize, but I just want to do this correctly, since I have a lot of $$$ tied up in this.

Re: Rebuilt 340 [Re: 70duster340] #592640
01/26/10 06:10 PM
01/26/10 06:10 PM
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Quote:

do I need to install a filter?
I apologize, but I just want to do this correctly, since I have a lot of $$$ tied up in this.


Tell what you are asking in regards to the filter? No apologies necc on the Q's, this is a FREE site, keep em coming, this is how we achieve (near) perfection and stay ahead of the chebby/furd boys and it IS all in the details


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Re: Rebuilt 340 [Re: RapidRobert] #592641
01/26/10 08:54 PM
01/26/10 08:54 PM
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70duster340 Offline OP
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Thanks Robert. I was just asking about using one of the 2 filters that I bought to install on the remote filter fitting. I figured it would be OK, since I'm not going to start the engine again until I get it reinstalled in the car. I don't see a need to buy a new filter just to basically cover up the 90 degree filter housing.

What do you think?

Re: Rebuilt 340 [Re: 70duster340] #592642
01/26/10 09:53 PM
01/26/10 09:53 PM
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You have the 90 deg adapter plate on there now as he used that during break it in? When up/running you are going to remove it & use the concave chrome iirc adapter that has 2 fittings that run 2 hoses out to your (dual fitting) remote setup? Is that correct? I'd take a small plastic grocery bag and tie it over where the filter goes on the 90 deg adapter to cap it. you could screw on one of the filters lightly to cap it also. Holler back.


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Re: Rebuilt 340 [Re: RapidRobert] #592643
01/27/10 08:23 AM
01/27/10 08:23 AM
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70duster340 Offline OP
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Yes, the 90 degree adapter was with the engine, so when he assembled it, I guess he also installed the adapter. I don't have the stock oil filter fitting. That's how the engine came in the car. It also came with the remote oil filters and the 90 degree adapter installed. The adapter was needed to clear the headers. I no longer have those headers, as I decided to go with the 68-70 HP manifolds. So, do I not need the adapter with the TTI exhaust I'm going to install?

Re: Rebuilt 340 [Re: 70duster340] #592644
01/27/10 09:59 AM
01/27/10 09:59 AM
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Quote:

So, do I not need the adapter with the TTI exhaust I'm going to install?


Most likely you would need the 90 deg adapter unless possibly you go w a real short filter. If so I would port it as it is very restricted. Probably have to mock it up when the time comes. Preferably I'd use the remote dual filter setup as it is going to flow much more oil as you lose most of the constricted bends plus the less restriction from the filters in parallel


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Re: Rebuilt 340 [Re: RapidRobert] #592645
01/27/10 10:26 PM
01/27/10 10:26 PM
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70duster340 Offline OP
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Thanks again, Robert. Just thinking, but if I don't need the adapter, where can I get my hands on a stock oil filter mounting plate?

Re: Rebuilt 340 [Re: 70duster340] #592646
01/27/10 10:37 PM
01/27/10 10:37 PM
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Dont know if you can still get em new but I'd put an ad in the SB parts wanted as it would be a fairly common item. Get the felpro round perimeter gasket(dont kknow the part #) as it is thicker & seals better.


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Re: Rebuilt 340 [Re: RapidRobert] #592647
01/28/10 04:18 PM
01/28/10 04:18 PM
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70duster340 Offline OP
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I'll check around and see if I can get my hands on a filter mount. Thanks for all the help!!!

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