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My new 98 z28. All help and advice is welcome

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Old 02-04-2015, 11:36 PM
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Originally Posted by FirstYrLS1Z
You can't use the factory OEM dash tach as true rpm.
Yep, as I mentioned above as well, this is exactly correct. Often they are off by 100-200rpm or so.

Every single LS1 F-body left the factory with the above mentioned commanded idle speeds (650rpm P/N, 550rpm in gear for A4, 800rpm for M6). Unless your car has been custom tuned or has a vacuum leak/IAC issue, those are your actual idle speeds. You can't rely on the tach, you'd need a scan tool of some sort to see true idle rpm.
Old 02-05-2015, 10:50 AM
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Originally Posted by RPM WS6
Yep, as I mentioned above as well, this is exactly correct. Often they are off by 100-200rpm or so.

Every single LS1 F-body left the factory with the above mentioned commanded idle speeds (650rpm P/N, 550rpm in gear for A4, 800rpm for M6). Unless your car has been custom tuned or has a vacuum leak/IAC issue, those are your actual idle speeds. You can't rely on the tach, you'd need a scan tool of some sort to see true idle rpm.
I have a scan tool but I don't think I can check rpms
I'll have to see
Old 02-05-2015, 12:47 PM
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Finally got the shop to tell me what he put in the trans

Old 02-05-2015, 01:02 PM
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Originally Posted by Uziguy18
Finally got the shop to tell me what he put in the trans

Pretty much what I said/felt...should be good for your power levels for a while...now get a stall in that beeooch
Old 02-05-2015, 01:05 PM
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Originally Posted by ragtopz28
Pretty much what I said/felt...should be good for your power levels for a while...now get a stall in that beeooch
For right now before I can get an actual tune
Should I get a superchips tuner #2725
It's 100obo on Cl.
I figure it with your headers and y pipe would be a good combo until I get all the rest?
Old 02-05-2015, 01:09 PM
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Originally Posted by Uziguy18
For right now before I can get an actual tune
Should I get a superchips tuner #2725
It's 100obo on Cl.
I figure it with your headers and y pipe would be a good combo until I get all the rest?
I have no knowledge of hand held tuners...I'm sure most here will say "NOOOOO"!
Old 02-05-2015, 01:35 PM
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Originally Posted by ragtopz28
I have no knowledge of hand held tuners...I'm sure most here will say "NOOOOO"!
Not even for hp gain
Just for the air fuel ratio and maybe I wouldn't be running to rich with that exhaust?

Any and all input from anyone is appreciated.
Old 02-05-2015, 01:48 PM
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reading this thread from the beginning(again to verify what's been done/mods to the car),there's nothing to tune for yet. The stuff on the right side of the list still has to be acquired/installed.
even putting a 3600-4000 stall in doesn't DEMAND a tune,some like to tune after a stall to modify the shift extensions.
handheld tuners are for the most part worthless,although they've been improving the handheld tuners' capabilities lately.
97 corvette,98 f-bod LS1s' have a lot of peculiarities in the computer that are different from the 99-02 f-bod LS1s'.
Back when I bought a handheld for my 98,hypertech was the only one available because 98s' are so different from 99-02s'. the only things it's good for is changing rear end gear ratio and radiator cooling fans on/off presets.
Old 02-05-2015, 01:49 PM
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Originally Posted by Uziguy18
Not even for hp gain
Just for the air fuel ratio and maybe I wouldn't be running to rich with that exhaust?

Any and all input from anyone is appreciated.
A Frost tune is only another $100, and they work damn good. So no, don't buy some random bullshit that does nothing.
Old 02-05-2015, 04:02 PM
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Originally Posted by FirstYrLS1Z
reading this thread from the beginning(again to verify what's been done/mods to the car),there's nothing to tune for yet. The stuff on the right side of the list still has to be acquired/installed.
even putting a 3600-4000 stall in doesn't DEMAND a tune,some like to tune after a stall to modify the shift extensions.
handheld tuners are for the most part worthless,although they've been improving the handheld tuners' capabilities lately.
97 corvette,98 f-bod LS1s' have a lot of peculiarities in the computer that are different from the 99-02 f-bod LS1s'.
Back when I bought a handheld for my 98,hypertech was the only one available because 98s' are so different from 99-02s'. the only things it's good for is changing rear end gear ratio and radiator cooling fans on/off presets.
alright no superchips for me then haha
Old 02-05-2015, 04:05 PM
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Originally Posted by typedRew
A Frost tune is only another $100, and they work damn good. So no, don't buy some random bullshit that does nothing.
what is that and where do i get it?
just want to be able to put on these mac mids ory without killing my mpg and without my car running like crap until the maf catches up

so only for the air/fuel ratio is frost my only option without paying 350$ for an actual tune
Old 02-05-2015, 04:42 PM
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Originally Posted by typedRew
A Frost tune is only another $100, and they work damn good. So no, don't buy some random bullshit that does nothing.
thats where id have to mail in my pcm?
this is my daily driver and couldnt go without it
Old 02-05-2015, 05:36 PM
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Originally Posted by Uziguy18
thats where id have to mail in my pcm?
this is my daily driver and couldnt go without it
Yes, it is a "mail order" tune that has lot of good reviews. I have never used him but you will have to send in you pcm and do without a car for 5-10 days from what I understand.
PS: enjoying some of your 'payment' for last night
Old 02-05-2015, 05:46 PM
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Originally Posted by ragtopz28
Yes, it is a "mail order" tune that has lot of good reviews. I have never used him but you will have to send in you pcm and do without a car for 5-10 days from what I understand.
PS: enjoying some of your 'payment' for last night
remember there's more where that came from when you want to help with those plugs
Old 02-06-2015, 01:29 AM
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Should I be looking at kits like this or just a cam and buy everything separate?
Old 02-09-2015, 06:18 PM
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Well my radiator has a tiny leak

I've plugged one hole and now there's a little bit of fluid down on the plastic again

I can't really get a good look at where it actually is

On ebay a radiator is 60$ shipped brand new

Should I just do that and learn how to put it in
Or is there any stop leaks that don't damage your car in the long run

I can drive it and I lose maybe 4-8oz

Also the fluid in it isn't Orange dexcool. I believe it's some type of green. But the fluid is almost more so brown.

Now if I do a flush do I need to remove those block plugs to get all of the crap out?

What's my best route here
Any and all help is appreciated .
Old 02-09-2015, 06:38 PM
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how much would it cost to have it fixed? and usually theyll clean it out for you while they repair it.

id go with dex cool myself. just make sure theres no more leaks.
Old 02-09-2015, 06:49 PM
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Originally Posted by ULTIMATEORANGESS
how much would it cost to have it fixed? and usually theyll clean it out for you while they repair it.

id go with dex cool myself. just make sure theres no more leaks.
Who would repair it?

I'd put some quiksteel on it myself
Or drop in another radiator

Just can't find the actual leak
Old 02-09-2015, 07:20 PM
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Originally Posted by Uziguy18
Who would repair it?

I'd put some quiksteel on it myself
Or drop in another radiator

Just can't find the actual leak
no radiator repair shops in your area?
Old 02-09-2015, 08:15 PM
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Originally Posted by ULTIMATEORANGESS
no radiator repair shops in your area?
I don't trust shops

Only way to get something done and know exactly what and how it was done is to do it yourself

People charge 95+ an hour and I wouldn't want to pay that when a new one is only 60$....


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