On your Temp. issue, are you running anti-freeze?? If so , remove all the anti-freeze and run straight water with a bottle of water wetter and this will drop your temps some more and also get a turbo blanket as well.
__________________ 10.0 INDEX CLASS WINNER
LSX 427-FI-94mm Turbo,
Turbo Kit by Josh@ Kentucky Turbo
It will take some getting used to but ive been watching your thread from the start, and sounds like you know what your doing. Im also building a 377 t88 nitrous car and watching your car come to life just gives me more hope to work on mine.
Just do it.
Quote:
Originally Posted by RS_SS69
Thats alot better, are you going to have to up your limiter or change your gears?
Limiter is only set at 6600 RPM right now. I intend to spin it to about 7200 out the back here soon. I will be changing the gears also when the funds become available. Work is VERY slow right now. First I need to buy a new set of tires.
Quote:
Originally Posted by 98Camarod
When you get that 60' down you should pick up quite a bit. How were the ECT's and have you got a blanket on there yet?
The car usually 60's in the 1.3x range. That night it rained twice and they had just dried the track. Not much in the way of prep by that time. So I'm not changing anything with the suspension. New tires might help a little.
Quote:
Originally Posted by bad6as
if you had to guess a rwhp number on pump gas what would you say your putting down?
I'd say that at the current 12 psi, it will run a 9.5 @ 142 @ 3700 lb race weight. Should be about 800 rwhp if my benchracer brain dyno is accurate.
__________________ 98Z28CobraKiller 370ci LQ9 + AFR225's + PT88 9.57 @ 142 so far
still on strait pump gas?
when do you spool and hit full boost
Going down the track, I was stalled up at 8 psi on the transbrake and the 2 step at 4K RPM. When I let off the button it gets to 12 psi almost instantly. So on the track, no lag.
On the street, if I'm cruising at 60 mph (2900 RPM), There is no boost. If I mash the gas, it stalls to about 4200 on the converter and starts making boost. It took about 1.5 seconds to be at full boost without braking boosting. Not sure if it will happen faster with the CO2.
__________________ 98Z28CobraKiller 370ci LQ9 + AFR225's + PT88 9.57 @ 142 so far
On your Temp. issue, are you running anti-freeze?? If so , remove all the anti-freeze and run straight water with a bottle of water wetter and this will drop your temps some more and also get a turbo blanket as well.
I'm on water with water wetter already.
Got a blanket but haven't gotten around to putting it on yet.
__________________ 98Z28CobraKiller 370ci LQ9 + AFR225's + PT88 9.57 @ 142 so far
i think the tc78 will be to small for me and the pt88 will be to big. the tc78 has a 67mm compressor and 78 turbine right? and the pt88 is a 88mm compressor and 88mm turbine?
i think the tc78 will be to small for me and the pt88 will be to big. the tc78 has a 67mm compressor and 78 turbine right? and the pt88 is a 88mm compressor and 88mm turbine?
The PT88 looks right but I have no idea about the TC78.
I got all the new vacuum lines and fittings in. Everything was 1/8 pipe except for the port on the Aeromotive fuel pressure regulator. It is 1/16 female. Apparently a female 1/8 to 1/16 male is really difficult to find. The local hose and pipe store ended up making me one for $7 bucks. I just need to drill the firewall and put in the bulkhead fitting for the CO2 and fill the bottle.
I also had a friend make me some solid mounts. That should take care of that problem. It's going to be a pain in the ass to get the melted ones out while still in the car but it'll be really easy to put in the solids as they have a much smaller footprint.
__________________ 98Z28CobraKiller 370ci LQ9 + AFR225's + PT88 9.57 @ 142 so far
Looking forward to more results at the track, if your friend is feeling bored and wants to make another set of mounts id gladly pay for some.
We got the solid mounts in. WHAT A PAIN IN THE ASS!
Just to be clear, We are not doing the pedestal type solid mounts. My friend fabricated steel mounts that attach to a normal BMR Turbo Kmember. And no, he wont build them for anyone else. The amount of time required to make them and the liability that could be associated with it makes it not worth it. Also, becasue the steel doesn't flex like the poly/clamshell type mount, it is not very forgiving at all as it pertains to alignment. I think that my motor moved up 1/2 inch as there is no sag either.
Changed the break-in oil. Looked good.
Also got the CO2 filled today, found the fittings required in order to backfill the 10oz bottle from a 15lb mother bottle, and got it all hooked up. Works well.
Gotta do a little tuning tomorrow. She is a little rich up top right now.
I just need a set of tires and I'm ready to give her hell.
__________________ 98Z28CobraKiller 370ci LQ9 + AFR225's + PT88 9.57 @ 142 so far
We got the solid mounts in. WHAT A PAIN IN THE ASS!
Just to be clear, We are not doing the pedestal type solid mounts. My friend fabricated steel mounts that attach to a normal BMR Turbo Kmember. And no, he wont build them for anyone else. The amount of time required to make them and the liability that could be associated with it makes it not worth it. Also, becasue the steel doesn't flex like the poly/clamshell type mount, it is not very forgiving at all as it pertains to alignment. I think that my motor moved up 1/2 inch as there is no sag either.
Changed the break-in oil. Looked good.
Also got the CO2 filled today, found the fittings required in order to backfill the 10oz bottle from a 15lb mother bottle, and got it all hooked up. Works well.
Gotta do a little tuning tomorrow. She is a little rich up top right now.
I just need a set of tires and I'm ready to give her hell.
I got the spring in the gate at about 7 psi. Controller is setup to make 12 psi. Got on it in drive and hit the controller at about 5500 RPM. It felt like I sprayed it.
That's the only conclusive data I have so far. No tuning or data logging today. Too much Halloween traffic.
__________________ 98Z28CobraKiller 370ci LQ9 + AFR225's + PT88 9.57 @ 142 so far
Unfortunately, I'm having some fueling issues. Rather, lack of fueling. The pump isnt cutting off, it's acting more like it's running dry. The tank is full but the pump sounds like its cavatating. I think there might be a chunk of plastic that may have come loose in the tank. These stock tanks on the 98's are metal but they have a plastic liner on the inside and the baffles are also plastic. When we drilled thru the bottom to weld on the bung, it made a pretty big mess. When we welded the bung on, it made an even bigger mess because the plastic in the tank wanted to catch on fire. We cleaned it and cleaned it and cleaned it but some brittle plastic must have broken off in there. The bigger problem now is that I have a full tank of gas that I need to siphon out in order to try to hunt down the culprit. Oh well, it's always something.
__________________ 98Z28CobraKiller 370ci LQ9 + AFR225's + PT88 9.57 @ 142 so far
^^^You don't have an access hatch? You could pull the pump out with no problem and if there is a noticeable plastic piece broken off you should be able to see it even with a full tank. I know when I replaced my pump my tank was full and you could see down to the bottom as long as it was still.
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Ebay Turbo Kit l Cam l Moser 9" l th400
^^^You don't have an access hatch? You could pull the pump out with no problem and if there is a noticeable plastic piece broken off you should be able to see it even with a full tank. I know when I replaced my pump my tank was full and you could see down to the bottom as long as it was still.
I do have an access hatch. The pump is external. Hence the bung that we welded in the bottom of the tank. If there is a loose piece of plastic around there somewhere, I don't know that I would see it or find it in there. Then there is the issue of getting it out of the tank once I find it. It's a pain in the ass.
__________________ 98Z28CobraKiller 370ci LQ9 + AFR225's + PT88 9.57 @ 142 so far
Sorry, it's been a while since I updated this thread.
The fueling problem was not an obstruction. MagnaFuel said that it's vapor lock as the fuel was getting too hot and boiling in the tank. Sounds good doesn't it. Their solution was to add a fuel cooler on the retun side. I believe that much of the heat was being caused from using the stock feed line for the return. Right in that area where the stock feedline runs down the frame is the same area where my 4" DP exits the engine compartment. Fuel line and DP were within 4" of each other for a good 3-4 feet before my DP crosses to the other side. Now I have run a new -6 return with hose down the passenger side. I have not had the problem since but the ambient temps have dropped 10-20* since the last time that it did it. Can't be sure if that problem is resolved but one can only hope.
So far a best of 9.57 @ 142 @ 14psi and 18* of timing with the boost jumping around all over the place. WG diaphragm is torn. Ordered a new one today.
__________________ 98Z28CobraKiller 370ci LQ9 + AFR225's + PT88 9.57 @ 142 so far
Sorry, it's been a while since I updated this thread.
The fueling problem was not an obstruction. MagnaFuel said that it's vapor lock as the fuel was getting too hot and boiling in the tank. Sounds good doesn't it. Their solution was to add a fuel cooler on the retun side. I believe that much of the heat was being caused from using the stock feed line for the return. Right in that area where the stock feedline runs down the frame is the same area where my 4" DP exits the engine compartment. Fuel line and DP were within 4" of each other for a good 3-4 feet before my DP crosses to the other side. Now I have run a new -6 return with hose down the passenger side. I have not had the problem since but the ambient temps have dropped 10-20* since the last time that it did it. Can't be sure if that problem is resolved but one can only hope.
So far a best of 9.57 @ 142 @ 14psi and 18* of timing with the boost jumping around all over the place. WG diaphragm is torn. Ordered a new one today.
Well I am glad your liking the controller. Something I will look into at some point for myself. What fuel pump are you running again? I think I own the xl750 which I have yet to install. I am running -10 and -8 return so I hope if your issue is too small of line,... that I won't have the same problem.
Well I am glad your liking the controller. Something I will look into at some point for myself. What fuel pump are you running again? I think I own the xl750 which I have yet to install. I am running -10 and -8 return so I hope if your issue is too small of line,... that I won't have the same problem.
9.50's and 140's are sick man.
I'm running a single MagnaFuel MP-4301 external pump. It has -8 on both sides but I run -10 from tank to prefilter. Prefilter adapts from -10 to -8 into the pump (no hose) then from -8 to -10 into the post filter (again no hose) and then -10 to the rails. The Aeromotive regulator is -10 in but I have it adapted down to -8 from the fuel rail and it has a -6 return. MagnaFuel said that the line sizes are fine.
My goal for the car is an 8.90. I should be able to get there with the current launches and a little ramp. Hoping to get there before 20 psi.
I heard something about you changing focus to the mile.
__________________ 98Z28CobraKiller 370ci LQ9 + AFR225's + PT88 9.57 @ 142 so far
We got the solid mounts in. WHAT A PAIN IN THE ASS!
Just to be clear, We are not doing the pedestal type solid mounts. My friend fabricated steel mounts that attach to a normal BMR Turbo Kmember. And no, he wont build them for anyone else. The amount of time required to make them and the liability that could be associated with it makes it not worth it. Also, becasue the steel doesn't flex like the poly/clamshell type mount, it is not very forgiving at all as it pertains to alignment. I think that my motor moved up 1/2 inch as there is no sag either.
Changed the break-in oil. Looked good.
Also got the CO2 filled today, found the fittings required in order to backfill the 10oz bottle from a 15lb mother bottle, and got it all hooked up. Works well.
Gotta do a little tuning tomorrow. She is a little rich up top right now.
I just need a set of tires and I'm ready to give her hell.
Just wait until you have to take the trans out with the solid mounts
Did you have to do anything to get your trans to line up to the crossmember?
__________________
Ebay Turbo Kit l Cam l Moser 9" l th400
