What;s good compression on a 89-91 TII?
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What;s good compression on a 89-91 TII?
I went for a ride in a friend's '87 TII with 52K and his car is definitely faster than mine and he's got 3" DP, presilencer, intake, stock catback, fcd, 9# flywheel. We have similar mods as I have intake 2.5" DP, hi-flo cat, catback and 9# flywheel. He says he's not boosting over 8psi on his guage.
My car's got 110k on chassis and 70K on a new dealer replaced engine and the car just won't pull as hard - (I'm not running FCD as I don't hit fuel cut)it feels like he's got 30 more HP. I also have 2 subs 2 amps in the back adding about 70lbs w/install material, I'm guessing.
Is my turbo tired? I'm also going to look at my compression but I don't know what it should be when I take it to get looked at.
If it's of any use, a few months ago I would see blue smoke in my rearview in between shifts - it would let out a puff out of each muffler but it doesn't do it anymore.
Thanks for any help/ideas....
There are lots of modded domestics in our area and there are about 3-4 of us building up our FC's - eventually Haltech, etc.
My car's got 110k on chassis and 70K on a new dealer replaced engine and the car just won't pull as hard - (I'm not running FCD as I don't hit fuel cut)it feels like he's got 30 more HP. I also have 2 subs 2 amps in the back adding about 70lbs w/install material, I'm guessing.
Is my turbo tired? I'm also going to look at my compression but I don't know what it should be when I take it to get looked at.
If it's of any use, a few months ago I would see blue smoke in my rearview in between shifts - it would let out a puff out of each muffler but it doesn't do it anymore.
Thanks for any help/ideas....
There are lots of modded domestics in our area and there are about 3-4 of us building up our FC's - eventually Haltech, etc.
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i was told that anything above 95 psi should be fine...
i think mazda measures is in Kg/cm3 or something like that. in that case maybe anything above 7kg/cm3 (not sure if the cm part is right)
i think mazda measures is in Kg/cm3 or something like that. in that case maybe anything above 7kg/cm3 (not sure if the cm part is right)
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Originally posted by Scott 89t2
I bet he's running over 8 psi. what gauge is he using? you can't read the stock one if he has an FCD. it'll never go over 8.
I bet he's running over 8 psi. what gauge is he using? you can't read the stock one if he has an FCD. it'll never go over 8.
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