1968 ford 302 compression test|did a compression test on my 302, these ok numbers : vendor Test the first cylinder, and count how many cycles it takes to get to the highest compression reading. For example, it may take 7 cycles to reach 130 lbs. Then test each of the other cylinders, allowing the same number of . Início - RegularizaBoti - Negocie seus débitos com rapidez e .
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The compression ratio of a '68 302 could be anywhere form 8.7 to 10.0:1 depending upon what version you have. But if you are doing the compression test correctly as described above, a reading in Sacramento of 95 psi for any of them means something is . Test the first cylinder, and count how many cycles it takes to get to the highest compression reading. For example, it may take 7 cycles to reach 130 lbs. Then test each of the other cylinders, allowing the same number of .On my 69 302, I'm trying to figure out how Ford arrived at the 9.5:1 compression ratio on a stock motor. I have cylinder head volume at 58cc and deck clearance at .016 inches however I don't .
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COmpression tests will only tell you the condition of the compression rings and not the oil controll rings. I went through and checked out the compression on each cylinder of the 68 that I just bought. I know the compression is low, but I can't remember what it should be. Is it about .
So I'm doing a little reading last night in the Ford Performance book, and it lists the stock 2V 302 from 1969 at 9.5:1 compression and 210 HP, and a little web research . I'm getting ready to do a compression test on my motor and was wondering what numbers I should be looking for. The motor is a .030 289 with 9.6:1 flat top pistons. It only has . If it were at, say, 90 deg ABDC it'd be about halfway up the cylinder, meaning compression pressure would be lower. So with that said, if I stick a stock efi 302 cam in mine .
The purpose of a compression test is to test the condition of the cylinder and valve sealing. What you look for is for all cylinders to be within 10% of each other. The odds . What will the compression ratio be if you put flat top pistons on a 1969 base 302 with everything else stock? Hopefully someone knows the answer and saves me from calculating it.
Small Block V8 (221, 260, 289, 5.0/302, 5.8/351W) - 1979 302 compression test results - Finally did my first ever compression test, on a rough running 302. Engine was rebuilt about 10,000 miles ago, ran great until suddenly power dropped on highway and started to hiccup. Here are the readings I got: 1- 130 2- 120 3-. It had a bore and stroke of 4 in x 3 in. Ford initially gave it a compression ratio of 10.1:1 in 1968, but that quickly dropped along with horsepower. By 1969, in some models it was already down to 9.5:1, dropped . I decided to perform a compression test today to see what kind of shape the 302 is in. This engine has over 199,000 original miles on it, and runs great. Holds +70psi at speed and doesn't consume oil. Here are the results: My 72 Ford Truck shop manual does not list an expected PSI, only. Ford Inline Six, 200, 250, 4.9L / 300 - 1983 300 6 compression test - Hi, i have a 1983 ford inline 6. I did a compression test on it today and the first cylinder was 80 psi where every other one was 158 psi. So i redid the first on with a little squirt of oil down the cylinder and the compression was still 80 psi.
Small Block V8 (221, 260, 289, 5.0/302, 5.8/351W) - Compression test 302 5.0 - So I decided to do a compression test on my 1990 F150 XLT 302 today, and I had the engine fairly warm(not cold, not hot). Tightened the tester by hand and tried to make sure I tested each cylinder exactly the same. Here are my readings:. 1987 - 1996 F150 & Larger F-Series Trucks - 302 Compression Readings - So, I think my 302 engine (149k miles) is toast. I'm trying to restore this truck since the best vehicle is the one you've got, and I finally got around to doing a compression test before I dump any more money into it. My rationale, though, is that.
Information, engine information and specs for the Ford 302 V8 Ford Engine. We also provide horsepower ratings for the 302 Ford V8. . 1968 with 4 Barrel Carb High Compression Model Max Brake Horsepower: 235 @ 4800 rpm Max Torque: 318 @ 3200 rpm Stroke: 3.0 Bore: 4.0 Compression: 10.5 Firing Order: 15426378.
FE & FT Big Block V8 (332, 352, 360, 390, 406, 410, 427, 428) - what schould be compression test on 1962 352 - just both a 352 1962. would like to do a compression test on it !!! what is the magique number .sorry for my english.tank-you in advance !!! factorie specs: 220 horsepower v8-352 bore 4.00 stroke 3.5. Small Block V8 (221, 260, 289, 5.0/302, 5.8/351W) - Questions on 302 compression ratios - Hi Folks, I've been doing some reading on 302 compression ratios.actually a lot of reading.probably too much, but whatever. (I searched on here as well). Engine is a 1984 flat tappet 302 with D8OE heads. Stock compression I. Compression test numbers (SBF 289) . In my 9.5:1 302 with a 300* advertised duration cam all of the readings were 160-170 lb. Replaced the cam with a 266* piece and all of the readings increased by 15 lb. . A forum community dedicated to Ford performance owners and enthusiasts. Come join the discussion about popular models such as the .
Small Block V8 (221, 260, 289, 5.0/302, 5.8/351W) - Low Comp Test on #8 Cylinder, 302. - Here is an update on my truck's 5.0. I did a compression test last week and all cylinders showed 190 except #8 which showed 60 dry and 60 wet. I pulled the head and saw no scoring in the cylinder, no cracks that I could see. The. To pull this off, we needed a durable mule, so we chose Ford Racing's Boss 302 345-hp crate engine that comes with a set of aluminum heads actuated by a 0.480-inch lift B303 hydraulic roller cam . 1968-Present E-Series Van/Cutaway/Chassis; Ranchero & 1961 - 1967 Econoline . 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck 360 COMPRESSION. Reply Subscribe . Thread Tools . Anywhere in that range tells you that the cylinders are basically sealing up. The purpose of the compression test is to quickly identify .
Compression test on my 289. . For example, a head from a '69 351W or certain '68 302's might lower compression by as much as one point, due to a larger combustion chamber. . A forum community dedicated to vintage Ford Mustang owners and enthusiasts. Come join the discussion about restoration, modifications, NOS parts, troubleshooting, VIN . If you do, do not use ATP flex plates, they aren't made well at all anymore it seems. The Pioneer brand seems to be ok for now. I just bought an ATP flex plate for our 1968 Ford XL and it was horrible and not usable. Brand . 1968-Present E-Series Van/Cutaway/Chassis; Ranchero & 1961 - 1967 Econoline; . 1979 F-100 & Larger F-Series Trucks Discuss the Dentsides Ford Truck. Sponsored by: compression test results on my 302 . compression .
FE & FT Big Block V8 (332, 352, 360, 390, 406, 410, 427, 428) - 390 Compression Test - I did a compression test on my 390 this weekend. I was wondering what everyone thinks. I do not get any smoke and the engine runs great, I was just attempting to assess the condition of the engine. Cylinders Pressure 1 137 2 130 3.
Imma trying to find the compression specs for my 83 302 block, I did know them but forgot, anyways if anyone has a link , answer, or the specs, that would help out for a routine maintance on my motor. BTW I did a search and found everything but the compression specs in here and that google thing, lol Thanks Steve1967 - 1972 F-100 & Larger F-Series Trucks - 390 Compression Test PSI - I was talking to my buddy the other day and he had some Mechanic come and check out his 72 F-150 Custom with a 390. The Mechanic did a compression test and told him that it was at 200 psi and that is too high. I was trying to find some info about.
I've got a Road and Track test from June 1968 where they track tested 2 1968 GT350's. . these items: special cylinder heads with larger valves (intake 1.875 in, exhaust 1.600 vs 1.773 and 1.442), higher compression ratio (11.0 vs 10.5), an aluminum high-riser intake manifold with a 715-cu-ft/min Holley 4-barrel carburetor (vs. an Automate . FE & FT Big Block V8 (332, 352, 360, 390, 406, 410, 427, 428) - 360 compression test - I just ran a compression test on my 360. Just bought the truck, engine is original as far as I know. The passenger side was 150, 150, 150, and 135 psi. The driver side was 120, 95, 90, and 45 psi. Do you think there's a good chance. Small Block V8 (221, 260, 289, 5.0/302, 5.8/351W) - 302 compression - Hi folks, 94 F150 5.0. Just had the engine evaluated. All cylinders 125 - 130 lbs, oil pressure 30 - 35lbs. Truck has 161000 miles. How do these numbers compare to new. There are just too many variables. As Shoe mentioned, camshaft overlap has a HUGE effect on compression test numbers. My 11.5 comp. ratio 428 only reads 160-170 lbs. on a gauge, a buddys Chevy 427 (11.5 comp. with a big roller cam) only reads 125 lbs. By comparison, my 302 street car,(9.2 comp ratio) reads 195-210 lbs.
Also make sure you have throttle wide open during compression test, and battery is charged up. . BOSS 302 351 429 800CI+ Save Share . A forum community dedicated to Ford big block owners and enthusiasts. Come join the discussion about performance, modifications, horsepower, tuning, build specifications, and more! . 1987 - 1996 F150 & Larger F-Series Trucks - 1994 F-150 Compression Test - Truck specs: 1994 F-150 XLT 5.0 with 153,000 miles. I bought this truck as a side project to keep me busy in the garage and have had a lot of fun with it. I did a compression test (dry, ignition coil unplugged and fuel relay removed) today with. Looking at the graph, it looks like the DZ 302 actually outperforms the Boss 302 from 3,700 rpm until 5,800rpm. However, in the upper RPM range, the Boss 302 shows a definite, significant advantage over the DZ 302. “The results of this test didn’t really surprise me, except for one thing,” reveals Holdener.
My wifes 1968 fairlane has the original 2 bbl 302 rated at 9.5:1 compression and like 210 hp i think. It had single exausht and states that it uses regular fuel. The owners manual states that regular fuel was 100 octane!! Premium was alot more! But hey in 68 there were quite a few muscle cars with 11:1 compression! LOL
did a compression test on my 302, these ok numbers
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1968 ford 302 compression test|did a compression test on my 302, these ok numbers