IHRA Crate Motor Classification

Clint Miller · 04-27-2010, 08:10 AM

When you are determining the base class for a crate motor car, which shipping weight do you use....lowest, highest, your choice? In particular, I am trying to determine the class for a 97 Camaro with the 350/330/340 Vortec motor.

Chris1529 · 04-27-2010, 10:09 AM

I think you have to use the heaviest V-8 shipping weight for the body style you claim.

Myron Piatek · 04-27-2010, 10:46 AM

Actually, I believe if you run a small block, use the heaviest small block shipping weight. Run a big block, use the heaviest big block weight. Or use the heaviest weight available if the car was only available with a 6 cyl. or small block.

Clint Miller · 04-28-2010, 09:37 PM

Thanks guys!

CrateCamaro · 04-29-2010, 12:34 AM

Quote:

Originally Posted by Clint Miller

When you are determining the base class for a crate motor car, which shipping weight do you use....lowest, highest, your choice? In particular, I am trying to determine the class for a 97 Camaro with the 350/330/340 Vortec motor.

It will fit G @3230lbs if my math is correct.

Clint Miller · 04-29-2010, 03:33 PM

I came up with 9.59 lbs/hp (3262 lbs / 340 hp) which should make it a natural H/CM. But it is entirely possible that I am figuring it wrong.

04-27-2010, 08:10 AM	#1
Clint Miller Junior Member Join Date: Apr 2010 Location: North Louisiana Posts: 21 Likes: 0 Liked 0 Times in 0 Posts	IHRA Crate Motor Classification When you are determining the base class for a crate motor car, which shipping weight do you use....lowest, highest, your choice? In particular, I am trying to determine the class for a 97 Camaro with the 350/330/340 Vortec motor.

04-27-2010, 10:09 AM	#2
Chris1529 VIP Member Join Date: Dec 2006 Location: West Virginia Posts: 1,366 Likes: 6 Liked 70 Times in 29 Posts	Re: IHRA Crate Motor Classification I think you have to use the heaviest V-8 shipping weight for the body style you claim. __________________ Chris Bowman The Mountain State Mustang 1984 Mustang GT350

04-27-2010, 10:46 AM	#3
Myron Piatek VIP Member Join Date: Nov 2001 Location: Florida Posts: 1,542 Likes: 34 Liked 138 Times in 51 Posts	Re: IHRA Crate Motor Classification Actually, I believe if you run a small block, use the heaviest small block shipping weight. Run a big block, use the heaviest big block weight. Or use the heaviest weight available if the car was only available with a 6 cyl. or small block.

04-28-2010, 09:37 PM	#4
Clint Miller Junior Member Join Date: Apr 2010 Location: North Louisiana Posts: 21 Likes: 0 Liked 0 Times in 0 Posts	Re: IHRA Crate Motor Classification Thanks guys!

04-29-2010, 03:33 PM	#6
Clint Miller Junior Member Join Date: Apr 2010 Location: North Louisiana Posts: 21 Likes: 0 Liked 0 Times in 0 Posts	Re: IHRA Crate Motor Classification I came up with 9.59 lbs/hp (3262 lbs / 340 hp) which should make it a natural H/CM. But it is entirely possible that I am figuring it wrong.