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Stay FI or go NA for OT
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<blockquote data-quote="Jimmysidecarr" data-source="post: 4866217" data-attributes="member: 11681"><p>All the 2000 Cobra R guys are.</p><p></p><p>Intake availability is the rub...</p><p></p><p>Head selection must be done at the same time as intake selection. The intake runner length, shape, and flange orientation are different between 4.6 DOHC and 5.4 DOHC... due to the taller and wider 5.4.</p><p></p><p>The 351 Windsors did not have these issues,</p><p>Since heads work when sourced from the 5.0 selections, and the width issue was addressed solely by the intakes.</p><p></p><p>Availability of N/A 5.4 intakes worthy of such a great project.... comes from a VERY SHORT LIST!</p><p></p><p>Adapters are a possibility for 4.6 heads and intakes on a 5.4... but the very best 5.4 heads are Ford GT/GT500, and 2000 Cobra R. The first 2(same heads) are mated to supercharger intakes, the second was NA but intakes are just about non existent.</p><p><a href="http://www.soligen.com/parts/cobrar-man.shtml" target="_blank">http://www.soligen.com/parts/cobrar-man.shtml</a></p><p></p><p><a href="http://www.sullivanperformance.com/YVS450/tech/tech1.htm" target="_blank">http://www.sullivanperformance.com/YVS450/tech/tech1.htm</a></p><p></p><p><a href="http://www.sullivanperformance.com/YVS450/products/intakemanifold/intake5.4.htm" target="_blank">http://www.sullivanperformance.com/YVS450/products/intakemanifold/intake5.4.htm</a></p><p></p><p>I would love to see some of the FR500C parts become more available to non-race team buyers.</p><p></p><p>The 5.0 (big bore 4.6) race motor uses Ford GT 5.4 heads NOT the over the counter FR500 head which have 4.6 intake port dimensions. A special multi-fixed-lengths intake (that is narrower than most 4.6 intakes) is used to allow the use of the 5.4(Ford GT) based heads on the shorter narrower FR500 5.0 block(W/ 4.6 external dimensions)</p><p></p><p>This is one of the reasons the new Mustangs have been kicking some serious A$$ on track!!!</p><p></p><p>BEYOND PRICEY.... but OH BABY!!!</p><p>:bowdown: :rockon: :banana: :rockon: <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite7" alt=":p" title="Stick Out Tongue :p" loading="lazy" data-shortname=":p" />epper: </p><p></p><p><a href="http://www.fordracingparts.com/parts/part_details.asp?PartKeyField=8022" target="_blank">http://www.fordracingparts.com/parts/part_details.asp?PartKeyField=8022</a></p><p></p><p><a href="http://www.fordracingparts.com/parts/part_details.asp?PartKeyField=8408" target="_blank">http://www.fordracingparts.com/parts/part_details.asp?PartKeyField=8408</a></p><p></p><p>This is the 5.0 cammer that most of the other FR500(with no suffix) parts are from....</p><p></p><p><a href="http://www.fordracingparts.com/parts/part_details.asp?PartKeyField=6787" target="_blank">http://www.fordracingparts.com/parts/part_details.asp?PartKeyField=6787</a></p><p></p><p>I'm doing a bunch of cooling mods on my Termy (and a few power mods too.. semi-low boost/twin screw) in hopes of making it an even better open track/street fun mobile.</p><p></p><p>Personally I really love the low and midrange torque that is available at the crack of the throttle from a P D supercharged car. But heat has killed many of these ultra/fun cars.... 20 minutes is a long time to be shoving 2 tons of fun around a track!!! Those who do not address this issue end up paying in the end.</p></blockquote><p></p>
[QUOTE="Jimmysidecarr, post: 4866217, member: 11681"] All the 2000 Cobra R guys are. Intake availability is the rub... Head selection must be done at the same time as intake selection. The intake runner length, shape, and flange orientation are different between 4.6 DOHC and 5.4 DOHC... due to the taller and wider 5.4. The 351 Windsors did not have these issues, Since heads work when sourced from the 5.0 selections, and the width issue was addressed solely by the intakes. Availability of N/A 5.4 intakes worthy of such a great project.... comes from a VERY SHORT LIST! Adapters are a possibility for 4.6 heads and intakes on a 5.4... but the very best 5.4 heads are Ford GT/GT500, and 2000 Cobra R. The first 2(same heads) are mated to supercharger intakes, the second was NA but intakes are just about non existent. [url]http://www.soligen.com/parts/cobrar-man.shtml[/url] [url]http://www.sullivanperformance.com/YVS450/tech/tech1.htm[/url] [url]http://www.sullivanperformance.com/YVS450/products/intakemanifold/intake5.4.htm[/url] I would love to see some of the FR500C parts become more available to non-race team buyers. The 5.0 (big bore 4.6) race motor uses Ford GT 5.4 heads NOT the over the counter FR500 head which have 4.6 intake port dimensions. A special multi-fixed-lengths intake (that is narrower than most 4.6 intakes) is used to allow the use of the 5.4(Ford GT) based heads on the shorter narrower FR500 5.0 block(W/ 4.6 external dimensions) This is one of the reasons the new Mustangs have been kicking some serious A$$ on track!!! BEYOND PRICEY.... but OH BABY!!! :bowdown: :rockon: :banana: :rockon: :pepper: [url]http://www.fordracingparts.com/parts/part_details.asp?PartKeyField=8022[/url] [url]http://www.fordracingparts.com/parts/part_details.asp?PartKeyField=8408[/url] This is the 5.0 cammer that most of the other FR500(with no suffix) parts are from.... [url]http://www.fordracingparts.com/parts/part_details.asp?PartKeyField=6787[/url] I'm doing a bunch of cooling mods on my Termy (and a few power mods too.. semi-low boost/twin screw) in hopes of making it an even better open track/street fun mobile. Personally I really love the low and midrange torque that is available at the crack of the throttle from a P D supercharged car. But heat has killed many of these ultra/fun cars.... 20 minutes is a long time to be shoving 2 tons of fun around a track!!! Those who do not address this issue end up paying in the end. [/QUOTE]
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