Re: 6 blade fan
Posted by HH56 On 2011/8/12 13:53:24
Thanks, JW. I don't need a fan but there have been some people on the forum recently who have been looking and not finding an aftermarket flex fan quite suitable--either because of looks or fit. Was thinking that new Mopar fan could possibly work as is -- but after reviewing more, believe not. However, I think it may be able to be made to fit and I think possibly that is how KevinAZ's Mopar fan was done. If so, it would be a steel alternative that would not look quite as out of place as the typical flex fan.
Here is my reasoning--and sometimes my reasoning is faulty so anyone feel free to disagree.
The Packard V8 fan is roughly 18 1/2 x 4 1/4 blades and a 1 1/4 center hole. 53-4, I expect is similar in size but don't know about the hole.
The new Mopar from BPE is 18" x 2 1/8 so yes, it is somewhat smaller. Center hole size is unknown but I'm guessing from looking at the pulley about 5/8. I don't know if the fan Kevin has is that overall size or not but the two side by side look close. One question right off might be how much better would the smaller size of the 6 blade be than the standard Packard 4 blade.
The Packard fan has a wide center hole but it's outer circumference is fairly close to the bolt attachments. The Mopar pulley has a fair amount of space between the center hole and the bolt holes. Looking at Kevins fan, I'm leaning to his fan hole being opened up because the finish edge around the center hole is not smooth. If so, a couple of unibits--one to start the enlargement and then changing to a large #21 size would do the job nicely on the center, keeping it centered and I think still not get any closer to the bolts than the Packard fan. It would need a drill press for a good job though. A round file would most likely take care of the bolt hole elongation.
A spacer is also a viable alternative and there are several thicknesses out there but I think the large center hole is still a problem with real spacers. There is always the washers.
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Here is my reasoning--and sometimes my reasoning is faulty so anyone feel free to disagree.
The Packard V8 fan is roughly 18 1/2 x 4 1/4 blades and a 1 1/4 center hole. 53-4, I expect is similar in size but don't know about the hole.
The new Mopar from BPE is 18" x 2 1/8 so yes, it is somewhat smaller. Center hole size is unknown but I'm guessing from looking at the pulley about 5/8. I don't know if the fan Kevin has is that overall size or not but the two side by side look close. One question right off might be how much better would the smaller size of the 6 blade be than the standard Packard 4 blade.
The Packard fan has a wide center hole but it's outer circumference is fairly close to the bolt attachments. The Mopar pulley has a fair amount of space between the center hole and the bolt holes. Looking at Kevins fan, I'm leaning to his fan hole being opened up because the finish edge around the center hole is not smooth. If so, a couple of unibits--one to start the enlargement and then changing to a large #21 size would do the job nicely on the center, keeping it centered and I think still not get any closer to the bolts than the Packard fan. It would need a drill press for a good job though. A round file would most likely take care of the bolt hole elongation.
A spacer is also a viable alternative and there are several thicknesses out there but I think the large center hole is still a problem with real spacers. There is always the washers.
Attach file:
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(8.24 KB)
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