2002 Z-28 swap to truck coils.
10-06-2009, 10:51 AM
#23
TECH Fanatic
iTrader: (5)
Join Date: Mar 2007
Location: Evansville, IN
Posts: 1,199
Likes: 0
Received 0 Likes
on
0 Posts
I just looked up the prices on the D585 coils and man they arent cheap brand new. Almost $70. Would be great to find out what years they came out of so you could scour the JY for them.
10-06-2009, 10:54 AM
#25
CARTEK Racing
iTrader: (13)
Join Date: Nov 2001
Location: East Brunswick, NJ
Posts: 2,182
Likes: 0
Received 0 Likes
on
0 Posts
Is the spacing of the bolt holes on the thin metal pieces on the side of the coil the same from car to truck coils?
I have aftermarket valvecovers that have the coild bolt directly to them...
I have aftermarket valvecovers that have the coild bolt directly to them...
10-06-2009, 11:34 AM
#27
There is already a very long thread about the swap to D585 coils. It will answer all of the basic questions.
https://ls1tech.com/forums/generatio...p-18-6-tq.html
https://ls1tech.com/forums/generatio...p-18-6-tq.html
10-06-2009, 11:43 AM
#29
TECH Fanatic
iTrader: (5)
Join Date: Mar 2007
Location: Evansville, IN
Posts: 1,199
Likes: 0
Received 0 Likes
on
0 Posts
There is already a very long thread about the swap to D585 coils. It will answer all of the basic questions.
https://ls1tech.com/forums/generatio...p-18-6-tq.html
https://ls1tech.com/forums/generatio...p-18-6-tq.html
10-06-2009, 03:46 PM
#33
LS1Tech Sponsor
Thread Starter
iTrader: (16)
Join Date: Jan 2008
Posts: 811
Likes: 0
Received 0 Likes
on
0 Posts
He was happy with the results and I was surprised to say the least.
10-06-2009, 03:48 PM
#34
LS1Tech Sponsor
Thread Starter
iTrader: (16)
Join Date: Jan 2008
Posts: 811
Likes: 0
Received 0 Likes
on
0 Posts
also I want to point out, we dont have anything to gain from this post. We arent trying to sell anyone anything. No, I dont have a warehouse full of used truck coils im trying to get rid of......haha.
10-06-2009, 05:20 PM
#36
i have used and have the truck coils on my vehicles, ive always beleievd they made a noticable improvement over the car coils, although they are not the heat sink version, they still amke a diff.
im gonna have to take the heat sink coils off my truck and use on my car next time i go to dyno to see if anyhting improves.
the car currently has truck non heat sink coils.
im gonna have to take the heat sink coils off my truck and use on my car next time i go to dyno to see if anyhting improves.
the car currently has truck non heat sink coils.
10-06-2009, 06:16 PM
#37
Launching!
Join Date: Mar 2006
Location: Indianapolis, IN
Posts: 285
Likes: 0
Received 0 Likes
on
0 Posts
Couple questions:
1. Are these better coils with heat sink used on the LS2, LS3?
2. If these are in fact better, why wouldn't GM have used them on the Vette LS1 (at least on the later ones once they had experience w/ the truck coil)?
Thanks.
1. Are these better coils with heat sink used on the LS2, LS3?
2. If these are in fact better, why wouldn't GM have used them on the Vette LS1 (at least on the later ones once they had experience w/ the truck coil)?
Thanks.
10-06-2009, 07:27 PM
#38
https://ls1tech.com/forums/generatio...p-18-6-tq.html
10-06-2009, 08:10 PM
#39
TECH Regular
Join Date: May 2005
Location: Bay Area, CA
Posts: 406
Likes: 0
Received 0 Likes
on
0 Posts
And are we positive the horsepower gains aren't from the engine cooling down during install? 
Just seems unlikely given the same AFR's that horsepower would increase. Once that flame front is lit, it should be good to go... which is why you might see an increase in power with super high compression or boost in which the spark may not light off and then you'd be getting misfires and that should correspond with a different AFR, should it not?
Just seems unlikely given the same AFR's that horsepower would increase. Once that flame front is lit, it should be good to go... which is why you might see an increase in power with super high compression or boost in which the spark may not light off and then you'd be getting misfires and that should correspond with a different AFR, should it not?
10-06-2009, 08:15 PM
#40
LS1Tech Sponsor
Thread Starter
iTrader: (16)
Join Date: Jan 2008
Posts: 811
Likes: 0
Received 0 Likes
on
0 Posts
And are we positive the horsepower gains aren't from the engine cooling down during install?
Just seems unlikely given the same AFR's that horsepower would increase. Once that flame front is lit, it should be good to go... which is why you might see an increase in power with super high compression or boost in which the spark may not light off and then you'd be getting misfires and that should correspond with a different AFR, should it not?
Just seems unlikely given the same AFR's that horsepower would increase. Once that flame front is lit, it should be good to go... which is why you might see an increase in power with super high compression or boost in which the spark may not light off and then you'd be getting misfires and that should correspond with a different AFR, should it not?