Phil,
With everything equal. Stock engines, no mods, just straight up swapping the engines, but both using headers.
I do think the BB would be slightly higher due to the price of the headers for the BB.
The trannies are identical except the cases, the rear would be the same, same for a radiator, conversion mounts should be very close in price, brake conversion the same, etc.
.
This thread has been dead for a bit.
Lets see if I can keep my cool8)
i agree with you rpost to a point. the differenc that I see is that a $500 SB is completely different than a $500 BB/RB. AT least all that I see.
My point being you can buy a running 318 for one or two hundred dollars. I havn'e seen a running BB for Under $600 locally. and its a 400. If you spend $500 on a SB, you will prob end up with a 4 brl intake, a cam, and possibly some other goodies inside. A BB/RB would fetch up to $1500++ up here in that same condition. and that is what I meant by simular build...simular engine condition etc etc.
Headers would cost more. agreed. Though you can do it cheap.
Rear would be the same costs ( agreed )
Tranny would not cost the same. At least not here locally. Only one BB tranny that I know of around here for sale, and its $600. You can get a SB tranny for a couple hundred including kick down linkage and TC. With the BB your still guna have to track that down, and a TC too
a small block conversion could be really cheap if you bought a parts car that has a V8, and discs ( 4 dr dart) You will have almost everything you need
just look for the diff, headers, exhaust, and motor mounts ( conversions, and your set). You can't find a BB parts car for $500, at least not up here. maybe for $1000 C body, but your still guna have to buy A body discs etc.
all in all, I think there is a big difference in costs...$1000-$2500 when comparing a SB conversion to a BB conversion, depending on how you do it. Though alot of you have proven anything can be done for next to nothing.
Phil