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as others have said, use a PI intake with a little RTV at the water ports. you will also need a new 1999 water tube and o-ring. all this can be found for under $300 new with PI gaskets.

confirmed-my 98 with NPI heads (stock), a PI manifold (with my plates to match ports) and a vortech at 6lb+ 70mm TB and a catted x-pipe stock mufflers, 30lb inj., 85mm MAF makes 320rwhp.

glade to hear things are looking up. Just be careful when you put the car up and verify axles/wheels.

if you change front struts you will need to align it again.

the shock is tired if it has 85000 miles on it but it does not affect ride height. if the spring is not broken I don't know what else to look for concerning ride height. Look again at the back wheels/axle you may have a bent axle. If you jack the rear of the car up (tires off the ground)...

sounds like a broken coil spring. If you disconnect the shocks you will be able to move the springs and verify both. springs hold up the car, shocks control bounce.

what about eibach proline struts. I have the proline springs and strut package installed. I think sport line drops the car a little more but the combo should still be better than stock struts. The added spring rate does work the strut more, you don't want to change them twice.

I am just offering some other things to look at. has the car had any height changes that would affect pinion angle? is the trans mount good and the right one? is the bushing at the rear of the trans in good shape. This is a sleeve that I believe to be pressed into the tail housing. If this...

clean (wire bruch, scotch brite and spray brake cleaner) and paint them this will stop the rust. I painted my rotors when I did the upgrade and they look good. Any high temp spray paint will work, header paint, rotor paint 1200 to 1500 deg. F If you use the brush-on caliper paint on the...

same here, 245 on 8" wheel

I finally looked at the wiring, It all looks good. the car was only driven once in a week+ (fan working). I will change the CCRM and hopefully I it will not happen again.

no problem with the mileage if maint. was done. I have non-pi heads with a PI manifold, my own port matching plates, vortech SC with 6-8 lb, 80mm MAF (6lb setup with power pipe) 30# inj., stock cat-back with "PIPES" cat's & front x-pipe. 180 thermo, upgraded pump in tank and t-rex...

sounds OK, my tuner said 12.0/1 was Ok but no leaner. even 12.5/1 is dangerous. my car had the pipe from the initial install so I don't know how much the ratio will change. the pipe does help boost so be careful.

thermo is about 2 months old. engine temp. rises when fan does not work. the ac works poorly when car is stopped because no air is pulled thru the condenser. I also did a visual check to see if the fan is running when the engine was hot and then turned on the ac-no fan. I will do the wiring...

I only did a quick look at all connector ends. I will do a harness check. I did have some work by a shop (TB/filter in the fender). Maybe something was damaged. Thanks

a 180 thermo will not create operating issues. The car will not run rich. The 192-195 deg. is better for emissions specifically at idle but it is not the best for performance on a modified car. The 160 deg. themo is not recommended and may create emission issues without some reprogramming...

I have a 1998Gt and the cooling fan works on some days and then the next it does not. Then it works again. AC compressor works, but when the fan stops working and the car is stopped at a light the air is warm until the car moves again. fuses are all good, temp. sensor was changed about 2...

180

Thanks autobahn (mike), Its great to make a cheaper (and better) product and sell it to other enthusiasts.

Hello gents as you can see the forum auto updates the signature, I am running a vortech now on the PI manifold with my plates with no problems at all. When I started I had no intention of running a blower but a used one came up on e-bay and so be it. If you want to go without a plate you...