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Old 06-13-2012, 10:34 AM
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I believe from other threads that the OP has started that he is considering a Backdraft or Superformance. And while you can certainly install an FE, SBF's are the predominant choice for a powerplant in BDR's and SPF's.
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Old 06-13-2012, 11:08 AM
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Originally Posted by RodKnock View Post
I believe from other threads that the OP has started that he is considering a Backdraft or Superformance. And while you can certainly install an FE, SBF's are the predominant choice for a powerplant in BDR's and SPF's.
Yes, those were and as of right now still my top 2 choices. I don't have time, nor the tools nor the skills to tackle a full kit.. I need a roller and even that will be a turnkey when it comes to me. Unless of course I change my mind and commission someone build me a replica???

What is the main reason for the choice of SBFs for Superformance and Backdraft?
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Old 06-13-2012, 12:15 PM
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What is the main reason for the choice of SBFs for Superformance and Backdraft?
I believe SBF's are the overwhelming choice for BDR's and SPF's, because, and I'll probably get hammered here, they're less expensive choices than a CSX, KMP and ERA, plus maybe, folks who choose a BDR and SPF are slightly less concerned about adherence to the original. FE's are heavier, less so with aluminum blocks and heads, and more expensive to build.
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Old 06-13-2012, 12:17 PM
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Originally Posted by RodKnock View Post
I believe SBF's are the overwhelming choice for BDR's and SPF's, because, and I'll probably get hammered here, they're less expensive choices than a CSX, KMP and ERA, plus maybe, folks who choose a BDR and SPF are slightly less concerned about adherence to the original. FE's are heavier, less so with aluminum blocks and heads, and more expensive to build.
Ok, makes sense.. Sorry to have asked you to stick your neck out like that but I figured with your post count you will survive intact!
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Old 06-13-2012, 12:20 PM
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Originally Posted by RodKnock View Post
I believe SBF's are the overwhelming choice for BDR's and SPF's, because, and I'll probably get hammered here, they're less expensive choices than a CSX, KMP and ERA, plus maybe, folks who choose a BDR and SPF are slightly less concerned about adherence to the original. FE's are heavier, less so with aluminum blocks and heads, and more expensive to build.
I never understood why the FEs are less popular in the SPFs. But from the BDR perspective meeting a predefined version of a "Cobra" is not the reason a customer selects BDR, so from there on out it's about optimizing the car to their tastes, use, and budget.

One of my favorite BDRs to drive to date has a Roush 451 in it. I get to drive it every couple years ... great engine and not a drip or drop of oil to this day.
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Old 06-13-2012, 01:04 PM
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I never understood why the FEs are less popular in the SPFs. But from the BDR perspective meeting a predefined version of a "Cobra" is not the reason a customer selects BDR, so from there on out it's about optimizing the car to their tastes, use, and budget.
Obviously having a business relationship with engine builder such as Roush may contribute to the reason why most SPF's and BDR's have SBF's. For whatever reason, there are alot of Roush SBF's in BDR's and SPF's. The Roush BBF's are about the same price as BDR or SPF roller, so that could be just one reason for the lack of BBF's in BDR's and SPF's.

Last edited by RodKnock; 06-13-2012 at 01:10 PM.. Reason: tense correction
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Old 06-13-2012, 01:08 PM
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Obviously having a business relationship with engine builder such as Roush may have contribute to the reason why most SPF's and BDR's have SBF's. For whatever reason, there are alot of Roush SBF's in BDR's and SPF's. The Roush BBF's are about the same price as BDR or SPF roller, so that could be just one reason for the lack of BBF's in BDR's and SPF's.
It may have a slight influence but not much anymore. Very few Roush engines going out the door the last 2+ years. Adding to some of the reluctance on the BDR with FE builds is the headers are generally not stocked etc.

There's also a lot of SPFs with Ford Racing 460s ... that would be a tip to the cost factor.
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Old 06-13-2012, 01:11 PM
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Very few Roush engines going out the door the last 2+ years.
I wonder why?
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