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thanks for the info guys. I appreciate it :) I am going to go to autozone and buy a analog voltimeter now. I have a feeling it is my injectors. That means a have to deal with that pain in the a.. intake manifold gasket. well thanks again.

well the car was running pretty good with the 19# injects, but had idling problems because the previous owner had a mass air meter (calibrated for 24# injects) So, I installed my old 24# injects on this weekend. The car does not have a surging idle anymore, but it idles a lil high (900), but...

thanks for the quick reply. I will work on my mass air meter then. also on my last 5.0 (94), I had a pro-m 80 air intake with mass air meter and I had a sensor that ran into the air intake tube right before the throttle body. This mustang does not have that meter on in the tube, it is...

Ok I bought this 93 5.0 about a month ago. The car was running pretty good and fast, but I noticed he had a mass air meter calibrated for 24# injects, but only 19# injectors in. So I took off the upper manifold and put in my 24# injectors in that I had sitting in my garage for about 2 years...

Ok I know these two manifolds flow better, but I was wondering if these two upper n lower manifolds are lighter than my cobra upper n lower? Also I heard that Holley was better for supercharged engines. I plan on being naturally aspirated. 331 stroker with Afr 185 heads. Would Holley...

thanks for the info guys :) umm you said you need #'s not sure what you mean, I posted each stroke with compression rate. also what do you mean by wet and dry test? Sorry my first time doing it. again thanks for the info.

130 to 150 on different readings??? Is your tool working? I think my compression tester is working just fine, I just bought it 2 days ago, why do you ask?

ok I just finished doing a compression test on my 120k mile 5.0. Here is the results: 1) 90/115/130/135/140/140/140/140 2) 110/115/125/130/138/138/138/138 3) 105/120/130/130/132/132/132/136/140/140 4) 110/123/130/132/132/134/134/134 5) 120/150/150/150 etc 6)...

thanks for the info. that is reasuring to hear :) I was hoping I didn't have to do that. I have to take my upper manifold off and install these 24# injectors that is why I asked if I could just test it while it was off.

thanks for the info. Yeah, I am about to start a compression test on it in like 5 min. I just bought this 93 5.0 abought a month ago and it has 120k miles on it. What are some good compression rates, that I should look for what is to high and what is to low? Any help would be great.

thanks for the info. I will have a shop empty it out for me then. Also is it a pain in the butt or expensive to reattach it later on down the road? I will attach everything, but how much would it cost to recharge it, If I did I would probably go with R134.

I pulled out my spark plugs and noticed all of them were dry, but the 4th cylinder spark plug had oil on the tip of it. What does this mean and is this bad?

I just bought this compression tester and it says on carburetor cars to tie a string to the carburetor throttle plates to keep them wide open, but I have fuel injected 5.0 and was wondering if I still have to do this? Also I am testing it without my upper manifold on, so that wouldn't matter...

besides removing the belt and unbolting compressor and follow tubing to black looking cylinder against firewall (remove that) and then I noticed tubes that run back towards the radiator, do I just undo them from right there in front of the rad. or do I have to pull the tubing that ends up going...

I have a 93 gt and was wondering if I can test my compression with my upper manifold off? This will be the first time doing this, so what #'s should I be looking for and what is to low of a compression. Also does anyone know if I will use the long reach adapter or the smaller adapter on my 5.0...

hllon4whls, I like the vid, impressive launch. I just bought my stang and I was thinking about going the 351 route. I told this engine builder, I want a street reliable, simple engine setup for 11's. He told me either to go boosted 331 or swap in a na 351. I asked him if I could hit 11's...

hi, thanks for the quick reply. I just think that will look really good in the engine bay, but wanted to make sure I wouldn't lose to much power. I have an upper n lower cobra manifold on now. I have to take the upper manifold off and was thinking since I had it off, maybe I could try this out.

I've heard you can still run fuel injection and pull the upper manifold off and just have a fuel injected carb setup. Is this true? If so, what do I need to do? Is there any benefit to this, besides a cleaner engine bay? Would I lose horsepower?

well they were kept in the garage. $86 hmmm, not bad. I guess that is what I will do then. thanks

thanks for the reply. I guess that would make sense why I am having slight idling problems, not very bad though. I would think it would be worse.