small block to big block what coil springs
small block to big block what coil springs
I am putting a big block in my 86 camaro. This is a race car the only thing i have left to do is replace the front coil springs does anyone know what spring I should use I beleive that I need to raise the front of the car and it was suggested that I use the the heaviest 6 cyl spring that they make does anyone know where I can get the springs that i need and how do I change them is it hard to do
Joined: May 2004
Posts: 2,262
Likes: 1
From: houston
Car: 83 POS monte carlo 2015 chevy P/U
Engine: 92 5.7 tpi 5.3
Transmission: 700r4 6L60E
Axle/Gears: 2.42 too high
Re: small block to big block what coil springs
i would ask for a Mod to move this over to the suspension part of the boards.
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Joined: Jul 1999
Posts: 17,262
Likes: 168
From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: small block to big block what coil springs
I ran V6 front springs in mine for years before finally installing some Moroso trick springs.
Moderator

Joined: Jul 1999
Posts: 17,262
Likes: 168
From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: small block to big block what coil springs
My car has had a BBC since 2001. I only raced with a SBC for 2 years.
I'm using the BBC trick springs but could probably use the SBC springs as my nose weight is roughly the same as a factory street car with a SBC. The car still sits low enough as I scrap the spoiler loading into the trailer.
Springs hold up the car to ride height. How much spring you need depends on how much weight it needs to support. A BBC is roughly 150 pounds heavier than a SBC. Install some aluminum heads and intake and it's closer to 50 pounds heavier. It's not like you're adding an extra 500 pounds to the car by swapping the engine.
I'm using the BBC trick springs but could probably use the SBC springs as my nose weight is roughly the same as a factory street car with a SBC. The car still sits low enough as I scrap the spoiler loading into the trailer.
Springs hold up the car to ride height. How much spring you need depends on how much weight it needs to support. A BBC is roughly 150 pounds heavier than a SBC. Install some aluminum heads and intake and it's closer to 50 pounds heavier. It's not like you're adding an extra 500 pounds to the car by swapping the engine.
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Re: small block to big block what coil springs
I never knew there was that little difference between a big and small block I always thought it was at least 200 hundred pounds.
My car with no motor in it seems to sit lower than I would think it should.
The previous owner had a small block in it and suggested that I put the heaviest 6 cyl. spring I could find. I know that when I picked the car up the ground effects drug going on and off the open trailer I was using and that was without a motor in it. This car is a former super stock GT car so I don't know if they would have lowered it for some reason or not. Do you have a part number for the springs you are using by chance?
My car with no motor in it seems to sit lower than I would think it should.
The previous owner had a small block in it and suggested that I put the heaviest 6 cyl. spring I could find. I know that when I picked the car up the ground effects drug going on and off the open trailer I was using and that was without a motor in it. This car is a former super stock GT car so I don't know if they would have lowered it for some reason or not. Do you have a part number for the springs you are using by chance?
Member
Joined: Aug 2002
Posts: 408
Likes: 0
From: colorado
Car: 84 Camaro, 90Firebird, 87Transmaro
Engine: custom 5.7, 5.0 , 6.5 Turbo diesel
Transmission: 4spd, auto, auto
Axle/Gears: 2.77 posi
Re: small block to big block what coil springs
::thread hijack::
What springs should I use in a stock Camaro that I plan to put BBC in to keep stock height and be used as a street car not a drag car?
I have a set of Moroso Trick Front Springs, Could i use those for normal driving or should those be used strictly for drag?
What springs should I use in a stock Camaro that I plan to put BBC in to keep stock height and be used as a street car not a drag car?
I have a set of Moroso Trick Front Springs, Could i use those for normal driving or should those be used strictly for drag?
Last edited by C.M.Jones; Mar 9, 2013 at 08:09 PM.
Supreme Member
Joined: Jul 2007
Posts: 1,293
Likes: 5
From: Howard Lake, MN
Car: 86 Camaro
Engine: 355- hopefully a 5.3 this summer
Transmission: 700r4
Axle/Gears: 3.42
Re: small block to big block what coil springs
My car has had a BBC since 2001. I only raced with a SBC for 2 years.
I'm using the BBC trick springs but could probably use the SBC springs as my nose weight is roughly the same as a factory street car with a SBC. The car still sits low enough as I scrap the spoiler loading into the trailer.
Springs hold up the car to ride height. How much spring you need depends on how much weight it needs to support. A BBC is roughly 150 pounds heavier than a SBC. Install some aluminum heads and intake and it's closer to 50 pounds heavier. It's not like you're adding an extra 500 pounds to the car by swapping the engine.
I'm using the BBC trick springs but could probably use the SBC springs as my nose weight is roughly the same as a factory street car with a SBC. The car still sits low enough as I scrap the spoiler loading into the trailer.
Springs hold up the car to ride height. How much spring you need depends on how much weight it needs to support. A BBC is roughly 150 pounds heavier than a SBC. Install some aluminum heads and intake and it's closer to 50 pounds heavier. It's not like you're adding an extra 500 pounds to the car by swapping the engine.
Member
Joined: Jan 2007
Posts: 371
Likes: 1
From: Lawrenceville Ga
Car: 1986 BBC Iroc
Engine: 454
Transmission: th400
Axle/Gears: 3.42
Re: small block to big block what coil springs
i have an 86 Iroc it had the tpi 305 it now has a Big block cast iron heads and i use teh original Iroc springs and you can't tell it had a big block it isn't any lower than stock height.
the big tires in the rear tho did lower the front alittle
the big tires in the rear tho did lower the front alittle

On Probation
Joined: Oct 2008
Posts: 6,319
Likes: 19
From: Northern Utah
Car: seeking '90.5-'92 'bird hardtop
Engine: several
Transmission: none
Axle/Gears: none
Re: small block to big block what coil springs
I'm surprised nobody posted Moog 5662s, though I'd try the 5664s because they should give better handling, especially with that much weight.
Junior Member
Joined: Dec 2013
Posts: 25
Likes: 0
From: SoCal
Car: 1982 Chevy Camaro Z28
Engine: LG4 (Carbed 305)
Transmission: T10 (4-speed stick)
Axle/Gears: Salvage yard rear
Re: small block to big block what coil springs
Looks like i can leave the stock springs
Last edited by 88_are_s; Aug 1, 2015 at 07:35 PM.
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