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 Post subject: big block swap.
PostPosted: Wed Feb 08, 2017 12:45 am 
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Joined: Tue Jan 17, 2017 10:20 pm
Posts: 11
Hey guys. Well iv searched and searched and I cant seem to find what im looking for. Im building a full drag truck. It will never see the street. Im wanting to put a nitrous 632 BBC in it. Is this possible to do WITHOUT cutting up the firewall? dont really need to run a radiator, and if i do it will be a small one in the bed. I know fender wells have to be cut out. The roll cage will come through the top of the fire wall and connect to the front of the frame rails as usual. Front core support will probably be cut out and i will build a new lighter one, since it will have a full feather carbon front clip anyways. Now, with the fenders out of the way, no worries of radiator, cage coming through, core support will be built after the motor is installed, CAN I put a big ass 632 BBC in here, without cutting up the fire wall??? Please provide pictures if you have any!


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 Post subject: Re: big block swap.
PostPosted: Thu Feb 09, 2017 6:01 am 
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lives at LUVTruck.com

Joined: Sun Apr 14, 2013 6:29 am
Posts: 360
Location: Texas Gulf coast
Nope. Lol Bite the bullet and slide the engine back a couple inches. A small block will fit barely without firewall mods but a big block is longer and you will not have room for a radiator. Although I have seen radiators put in the bed....


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 Post subject: Re: big block swap.
PostPosted: Thu Feb 09, 2017 9:13 am 
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Joined: Fri Sep 20, 2002 12:49 am
Posts: 3085
Location: North Mississippi
Do a search for a user called ratnluv. He had a few different bbc in his. It'll give you an idea of what you're up against.


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 Post subject: Re: big block swap.
PostPosted: Thu Feb 09, 2017 3:14 pm 
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Joined: Fri Jul 01, 2005 9:41 pm
Posts: 6199
Location: Camarillo, CA
Wildluvracing1974 has a big block in his

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 Post subject: Re: big block swap.
PostPosted: Thu Feb 09, 2017 3:42 pm 
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Joined: Tue Jan 17, 2017 10:20 pm
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Like i said, no radiator up front at all. Thanks guys ill look these guys up and maybe tryand contact them.


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 Post subject: Re: big block swap.
PostPosted: Sun Feb 19, 2017 12:32 am 
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lives at LUVTruck.com

Joined: Sat Feb 21, 2009 12:57 am
Posts: 356
Location: Minden, Nevada
If you don't set it back, cut fire wall, you'll be putting all the increase weight on the fron axle. Actually the center line of the engine eill be in front of the axle, significantly moving the balance further to the front. All tha sheet metal you're removing will help a little, however it won't rectify the problem. Since it only on the track, move the fire wall back minimally 2 inches. You'll have fewer problems with traction. You've got a torque monster to start with.
You'll also need custom headers. Equal length, 2" od, 32" long, 3 1/2" collectors.

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