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Old 07-02-2010, 11:18 AM
 
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Anybody done one in a Third Gen Camaro? How difficult is it and what makes it different from swapping in another 350? I'm not too engine-literate, so i'm new to all this.

Thanks
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Old 07-02-2010, 11:48 AM
 
Location: Livonia,MI
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You might try posting that here: Main Index - The Forums at Chevy Talk
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Old 07-02-2010, 12:53 PM
 
Location: Vancouver, B.C., Canada
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Quote:
Originally Posted by Cocky-T View Post
Anybody done one in a Third Gen Camaro? How difficult is it and what makes it different from swapping in another 350? I'm not too engine-literate, so i'm new to all this.

Thanks
they are both small blocks the problem is the 7.5 inch rear end won't take much more power over stock and you will also have to beef up you 700R4 tranny a bit for the extra torque.

since they are both SBC it should bolt right in with the stock engine mounts you might have to get an adaptor kit to get it to hook up to the 700R4.
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Old 07-02-2010, 12:55 PM
 
Location: Columbia, California
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The small block 400 over heats alot. There is no to little water passages between the cylinder walls. The 350 can be built to out perform the 400 with very little work.
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Old 07-02-2010, 01:01 PM
 
Location: Vancouver, B.C., Canada
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Originally Posted by ferretkona View Post
The small block 400 over heats alot. There is no to little water passages between the cylinder walls. The 350 can be built to out perform the 400 with very little work.
I agree I'd say go build up the current 5.7 TPI or swap in a LT1 or the LS1 or even a LT4 if, you can find one. But, you'll need to look over the link below for the up-graded swap. To make sure you know what all you'll be needing for the swap...
3rd Gen. LT1 Swap Guide
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Old 07-02-2010, 01:45 PM
 
6,367 posts, read 16,869,933 times
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Originally Posted by ferretkona View Post
The small block 400 over heats alot. There is no to little water passages between the cylinder walls. The 350 can be built to out perform the 400 with very little work.
Not true. If a 400 is assembled with the correct cylinder heads or had the replacement heads modified (steam holes drilled), there are no more overheating problems than a similar 350.

As far as performance, have you ever driven a 406 with decent heads, cam and built with 6" connecting rods?
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Old 07-02-2010, 11:29 PM
 
Location: Earth
4,237 posts, read 24,775,959 times
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Quote:
Originally Posted by ferretkona View Post
The small block 400 over heats alot. There is no to little water passages between the cylinder walls. The 350 can be built to out perform the 400 with very little work.
Old wives tale. Yeah they overheat if you fail to drill the steam holes when installing a set of heads that didn't come on a 400. Nothing a 400 head gasket and a drill can't fix.

Cocky, a 400 sbc is the same physical outside dimensions as a 305, or a 350. Pretty much out with the old, in with the new. As mentioned you might want to have extra clutch packs added to the 700 to allow it to handle the torque a 400 sbc makes. And yes the 7.5 rear is weak. It might hold up if you don't do burnouts or holeshots on slicks, but then what good is a 400 sbc for?

p.s. you will LOVE a 400 sbc. Dad has one in his Camaro backed by a Muncie 4 speed and it has enough torque to leave you in the dust in 4th gear.
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Old 07-03-2010, 03:26 AM
 
Location: Columbia, California
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My 76 Blazer came new with the 400, always had problems with it. I had it serviced by the dealer from day one.
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Old 07-03-2010, 05:33 AM
 
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I would just get a new 383 stroker crate motor. That would give more than enough power and cost less.
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Old 07-03-2010, 11:46 AM
 
1,949 posts, read 5,261,775 times
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Quote:
Originally Posted by Cocky-T View Post
Anybody done one in a Third Gen Camaro? How difficult is it and what makes it different from swapping in another 350? I'm not too engine-literate, so i'm new to all this.

Thanks
two questions:

1. is it a 350 TPI motor?

2. why do you want to replace the 350 it has with a 400?
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