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Cheers from Doug! |
I am with SOHC motor..... Fits in Cobra
The Boss 429 would not be a Cobra fit.... Kaase makes the Boss521 http://www.jonkaaseracingengines.com...1-engines.html |
They're both awesome engines, tough call, but I would take the Cammer, of course.
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Just to confirm - Jon Kaase does build BOSS 600s - at least one. It is in my garage waiting for me to solve a driver-side footbox clearance issue. It is a joint project we have worked on since he started to fabricate a prototype for his new BOSS 9 head. Al block, 12.5 compression, one four-barrel on a single plane manifold, and some port work. So far, the best run on his engine dyno was 1,130 horsepower, all natural. It will be a month or so before the installation is done and I will try to post a photo then.
My vote is BOSS 9 |
[quote=John Owen;1113065]Just to confirm - Jon Kaase does build BOSS 600s - at least one. It is in my garage waiting for me to solve a driver-side footbox clearance issue. It is a joint project we have worked on since he started to fabricate a prototype for his new BOSS 9 head. Al block, 12.5 compression, one four-barrel on a single plane manifold, and some port work. So far, the best run on his engine dyno was 1,130 horsepower, all natural. It will be a month or so before the installation is done and I will try to post a photo then.
Now this is what I'm talking about. Let's not forget the original question here. Which engine is better overall, not necessarily for a Cobra. We all know or believe FE's are the best for a Cobra but you can't deny the potential of the Boss Hemi motor. Dollar for dollar it blows away the SOHC motor |
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Reason being, in either case, your going to have enough. But just to be safe, I guess we could debate whether Johns 1,130 horse Boss is "enough". :JEKYLHYDE It does, after all, fall short of 1,500. |
here we go again
Simple questions that people can't read. Question from Ed "Also which one do you think looked better???" Not which motor is better overall. I believe if you get the stock specs the dual quad cammer makes 630HP plus or minus 5-10. I think the stock Boss 429 is in the 470 range. This doesn't include the 80-100 differents in weight. Boss motors IMO are take off of the cammer. Nascar needs a motor that was up to the BBC and Hemi's. When the cammer was not allowed this was the next thing to come along. Yes it has larger bores and ports than a cammer, the only reason for more power with compression being even in both motors. Overall Cammer just looks more at home in a cobra. A boss looks more at home in a mustang. As far as a best motor for a cobra, It's a small block in a Weber/Westlake configuration, cleveland or boss headed motor. high revving good topend power, cheaper to build. Something in the 390+ to 420 cubes. The best drivers that have races cobras all say a small block is eaier to drive than a FE car. This is with an iron motor, not aluminum. I wouldnot sell the Tunnel port motor short either for power. Rick L.
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Maybe this one will do it for you!
http://www.jonkaaseracingengines.com...ford-hemi.html You can get anyway you like. http://www.jonkaaseracingengines.com...1-engines.html Don't get me wrong i love the SOHC but Jon Kaase has taken the Boss 9 to another level. |
Speaking of Boss motors in Mustangs.............................
Scope this Boss 520 :): http://www.lateral-g.net/members/lazich/ |
John, keep us posted on the Boss 600!! Sounds insane.
By the way, the entirety of Ed's Original Question: Which one of these do you believe was the better engine overall and which one produced the most HP per cubic inch. Also, which one do you think looked better??? Not necessarily for a Cobra, but overall. With 1,130 HP I vote Boss 600! (still think the stack injection looks best). I think its a bit narrower as well for fitment vs. cammer |
Picture taken at a friends shop a couple years ago.
http://www.clubcobra.com/photopost/d...f_DSC_0014.JPG |
John. "ProMod?"
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If I remember correctly it was going in a Thunderbird Super Coupe. Not sure what class it was running.
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Now it's time for some fun. The question is actually incorrect. There have been many discussions about how to define a big block, and bore spacing is the only reasonable one. This article from Wikipedia about the FE is very informative.
http://en.wikipedia.org/wiki/Ford_FE_engine So we are actually comparing a MEDIUM block FE with a BIG block 385. I hope this does not cause any undue anxiety, for the FE is still a very nice engine, just not a big block.:eek: |
:) Oh come on John, that article makes it clear Wikipedia is not always accurate.
"Big Block", is as much a state of mind as it is a measurement of numbers. |
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The FE in it's original 332 CU In configuration could be labeled a small block.And,many small blocks have been bored and stroked to 427 and beyond.
On the other hand,the 385 series started life as a 429 big block and has been bored and stroked to x times huge.But I do recall a destroked Boss 429 being run at Bonneville. The SOHC is still one of the baddest engines produced but as it never made it's way into a factory production car it's not exactly a common swap. For the money the Boss engine has all the cool going for it as well and will make more power than anyone could ever want in almost any vehicle. My 2 cts |
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I like both, but would probably use the 385 series engine, if it were not in a cobra.
The long timing/cam chains in the sohc engine, are a question mark for me, as well. |
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I like the Cammer in anything pre 1969 but I like the Boss in anything 1969 and after
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