quick question regarding LT1 swap
quick question regarding LT1 swap
i heard about something concerning a security system and VATS... and someone said i need to buy a new VATS chip and module, wat is it? and do i need it? i dont want to worry about any security system right now, i just wanna get the swap figued out lol
and one more thing, people say they used hedman headers with an LT1, does anyone have any part #'s as to which you used?
thanks
and one more thing, people say they used hedman headers with an LT1, does anyone have any part #'s as to which you used?
thanks
Senior Member
Joined: Oct 1999
Posts: 566
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From: New Britain, CT, U.S.A
Car: '87 IROC
Engine: LT1 350
Transmission: 700-R4
Any thirdgen headers can be used when an LT1 is in a thirdgen. About the VATS, you can get it programmed out of the computer so you won't have to worry about it.
i was told only slp headers, and that a painless wiring harness can help with the vats, and wiring up...
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91 FireBird 305 V-8
Edelbrock Catback, Custom Alarm. Fourth Gen Console. i have six cupholders. all for starbucks!
Go|)Created The Earth, And Then Turned Up The Bass.
Here's My Audio Install!
"Honda's FOR ME TO POOP ON!" -Triumph...
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91 FireBird 305 V-8
Edelbrock Catback, Custom Alarm. Fourth Gen Console. i have six cupholders. all for starbucks!

Go|)Created The Earth, And Then Turned Up The Bass.
Here's My Audio Install!
"Honda's FOR ME TO POOP ON!" -Triumph... Here I am at youtr rescue !!!
about the vats well it depends , if you are using the original wiring harness like I did it would be better to use the vats module that came with it and find the correct value of the pellet resistor in the key of the orignal car that had that motor in. if you're going with painless well you can use the old ECM if it's a 92-94, if it's above those year, you are screwed, you'll have to buy the painless then a new ECM or Chip without VATS.
the best way to do it is to keep all the orinigal wiring of the donor car and simply hook it up to your wiring ...it's not easy but it's not hard.
about the header i' used headman's header.... fairly easy to install and work great with the LT1.
Let me tell you that stang will get a kick in the *** after that swap.
seeya
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LT1 POWERED
HEADMANS HEADERS
300 HP backed with a limited slip, 2.73.
Top speed reached: 150 mph
EATS MUSTANGS FOR BREAKFAST
about the vats well it depends , if you are using the original wiring harness like I did it would be better to use the vats module that came with it and find the correct value of the pellet resistor in the key of the orignal car that had that motor in. if you're going with painless well you can use the old ECM if it's a 92-94, if it's above those year, you are screwed, you'll have to buy the painless then a new ECM or Chip without VATS.
the best way to do it is to keep all the orinigal wiring of the donor car and simply hook it up to your wiring ...it's not easy but it's not hard.
about the header i' used headman's header.... fairly easy to install and work great with the LT1.
Let me tell you that stang will get a kick in the *** after that swap.
seeya
------------------
LT1 POWERED
HEADMANS HEADERS
300 HP backed with a limited slip, 2.73.
Top speed reached: 150 mph
EATS MUSTANGS FOR BREAKFAST
i saw that jegs or summit sells 2 sets of hedman headers for 82 to 92 camaros, ones with a y pipe and 1 5/8" primaries, the others have stepped primaries from 1.5" to 1 5/8" ... which ones did you use? part #'available? thanks
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I'm using the 1 5/8" I don't have the part number because I did a trade... my BBQ versus 1 set of headers and y-pipe !!!
------------------
LT1 POWERED
HEADMANS HEADERS
300 HP backed with a limited slip, 2.73.
Top speed reached: 150 mph
EATS MUSTANGS FOR BREAKFAST
------------------
LT1 POWERED
HEADMANS HEADERS
300 HP backed with a limited slip, 2.73.
Top speed reached: 150 mph
EATS MUSTANGS FOR BREAKFAST
I'm using the 1 5/8" I don't have the part number because I did a trade... my BBQ versus 1 set of headers and y-pipe !!!
------------------
LT1 POWERED
HEADMANS HEADERS
300 HP backed with a limited slip, 2.73.
Top speed reached: 150 mph
EATS MUSTANGS FOR BREAKFAST
------------------
LT1 POWERED
HEADMANS HEADERS
300 HP backed with a limited slip, 2.73.
Top speed reached: 150 mph
EATS MUSTANGS FOR BREAKFAST
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