400 or 351w
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400 or 351w
i have both a 351w (efi), and a 400(carb). i am goin to put one of them in my 73 gran torino and make it really fast. i want to be ablt to do somewhere in the 10 to 11 range on the 1/4 mile. which engine should i choose?
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From: booger county , mo
I would use the 351w. There are tons of speed parts out there for this engine and relatively few for the 400. I have not had good luck with the 400 and the 351w will more than likely bolt to your existing transmission if the Torino originally had a small block.
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From: (near) Denver USA
I'm not sure what your Torino weighs, but you'll probably need 350-400hp to get it into the 10-11-second range. That's near the limit for both of those engines, unless you have gobs of money to spend.
There are plenty of speed parts available for the 400 to get you into the power range you want. Search through the numerous posts in this forum for some ideas about what you can do with a 400.
Keep in mind, if you go with an EFI system, you'll have some wiring issues to sort out, and you'll need to get an engine controller (EEC-IV or equivalent) and learn to program it (or pay someone else to do it for you).
There are plenty of speed parts available for the 400 to get you into the power range you want. Search through the numerous posts in this forum for some ideas about what you can do with a 400.
Keep in mind, if you go with an EFI system, you'll have some wiring issues to sort out, and you'll need to get an engine controller (EEC-IV or equivalent) and learn to program it (or pay someone else to do it for you).
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Personally, i would choose a 400, with a 5 speed trans, and 3.75 gears in the diff. I dont like the windsor at all. There to cheap for my likeing. A 400 is not a high rpm engine, but you have lots of torque. The stock ratings are ( rounded of ) 170 hp @ 3800 rpm, and 320 Foot pounds of torque @ 1800 rpm, which will give you good acceleration.
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As has been posted, there are lots of speed parts available for the 351W; however, going from a carbureted engine to a fuel-injected one is a LOT of work and money.
Speed parts for a 400 are fewer and more expensive; however, you will save money in the long-run over trying to put in an injected Windsor. BUT, as heavy as your Gran Torino is, a 400 has the torque hands-over-fist compared to the Windsor. It has a 1/2-inch longer stroke and much better breathing heads. At its simplest, you can use an Edlebrock manifold, a Comp Cam, a Holley 4-bbl, carb, and headers and launch like a rocket and get it to rolling! If you use the 400, you will have to have a bellhousing from a 351M, a 400, or a 429, or a 460 to use with your manual transmission. All four engines share the same pattern. With adequate carburetion, intake and exhaust manifolding, the 400 will really haul the mail with its much bigger porting than will any stock Windsor head. BONE STOCK, any Cleveland-style head (either 2V or 4V casting) will outflow ANY BONE STOCK Windsor head ever cast!
Speed parts for a 400 are fewer and more expensive; however, you will save money in the long-run over trying to put in an injected Windsor. BUT, as heavy as your Gran Torino is, a 400 has the torque hands-over-fist compared to the Windsor. It has a 1/2-inch longer stroke and much better breathing heads. At its simplest, you can use an Edlebrock manifold, a Comp Cam, a Holley 4-bbl, carb, and headers and launch like a rocket and get it to rolling! If you use the 400, you will have to have a bellhousing from a 351M, a 400, or a 429, or a 460 to use with your manual transmission. All four engines share the same pattern. With adequate carburetion, intake and exhaust manifolding, the 400 will really haul the mail with its much bigger porting than will any stock Windsor head. BONE STOCK, any Cleveland-style head (either 2V or 4V casting) will outflow ANY BONE STOCK Windsor head ever cast!
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Originally Posted by poorfolks
I would use the 351w. There are tons of speed parts out there for this engine and relatively few for the 400. I have not had good luck with the 400 and the 351w will more than likely bolt to your existing transmission if the Torino originally had a small block.
Last edited by Loan Ranger; Oct 2, 2004 at 10:17 PM.
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