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CC Advertisers
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01-05-2007, 08:05 AM
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CC Member
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Join Date: Aug 2006
Cobra Make, Engine: BDR, 351W, 400 Horses
Posts: 520
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Not Ranked
stage 8 Header Bolts
Has anyone tried Stage 8 header bolts on a Backdraft roadster with a Ford Racing 351 W crate motor (stock 385 hp) or on any cobra for that matter.
After approx the 1st 1800 miles, I lost a couple of bolts causing the need for the gasket to be replaced.
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01-05-2007, 08:28 AM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
They work well. Another option is ARP's bolts with the heads drilled for safety wire.
__________________
Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
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01-05-2007, 08:31 AM
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CC Member
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Join Date: May 2002
Cobra Make, Engine:
Posts: 48
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After leaving a trail of ARP header bolts from Denver to Aspen on my first long trip, I replaced them with Stage 8 header bolts. I have an FE so there isn't a lot of room under the hood. They should be pretty easy to install, especially with a 351w. At least you can SEE your header bolts! 
I haven't had any more problems and they're still tight, more than 23,000 miles later.
Al |
01-05-2007, 08:40 AM
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CC Member
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Join Date: Aug 2006
Cobra Make, Engine: BDR, 351W, 400 Horses
Posts: 520
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Not Ranked
Wow thats awsome. It sounds like your a "Driver" as well. I took my car to cape code from CT the 2nd week I had the car. I just love driving the thing and my kids love coming with me. A much better option than the "Harley"
Thanks for the feed back on the Stage 8's
Have Fun
SD5805
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01-05-2007, 09:20 AM
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Senior Club Cobra Member
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Join Date: Aug 1999
Location: Carlsbad,
CA
Cobra Make, Engine: Previous owner of SPF#1938, with a Keith Craft 496ci Genesis 427 side oiler, 667 FWHP, 633 FWTQ, 560 RWHP, 550 RWTQ.
Posts: 1,303
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__________________
Jim Woodard
Don't interfere with somethin' that ain't botherin' you none.
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01-05-2007, 09:54 AM
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CC Member
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Join Date: Nov 2006
Location: Fontana,
CA
Cobra Make, Engine: Lonestar LS427, 408w, 48IDA Webers, TKO 600, 9" Currie 4-link 4.11 rear
Posts: 390
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Not Ranked
Spectre sales a really attractive header bolt set, gold zinc plated with safety wire and drilled bolts. Hex head and w/internal Allen head. I have them on my 351w. Grade 8, with SS wire and everything, looks great.
http://http://www.spectreperformance.com/#CATALOG.4667 |
01-05-2007, 12:03 PM
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CC Member
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Join Date: Mar 2005
Location: Savannah,
ga
Cobra Make, Engine: Unique, 351W
Posts: 260
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Not Ranked
I had the same experience. I lost 2 bolts and ruined a gasket after about 1000 miles on my 351W crate motor. If I may ask a stupid question, what is the difference between a Stage 8 bolt and a "regular" bolt?
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01-05-2007, 12:51 PM
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CC Member
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Join Date: Oct 2003
Location: Cantonment,
Fl
Cobra Make, Engine: sold BDR #123 351w, Tko 17" full polished wheels
Posts: 197
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I have used Stage 8 header bolts on my (former) 351 Backdraft. If I remember correctly I had to do a little grinding on a few of the hex washers to allow them to clear the header pipe. Other than that they worked great and I never had any problems with them backing out. I would use them again if I build another Cobra.
David
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On a bad day life is good. On a good day life is great. Enjoy life!
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01-05-2007, 12:53 PM
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CC Member
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Join Date: Jan 1999
Location: Whitehouse Station,
NJ
Cobra Make, Engine: SOLD: 2013 Boss 302 Mustang #2775 (both options). SOLD: 95 Mustang Cobra R #4 of 250 "Rosie's Diner" car. SOLD: CCX2-2505, #5 of 7 289 FIAs ever produced at Contemporary! my first Cobra: Unique 427SC w/ 428CJ moder!
Posts: 5,438
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Quote:
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Originally Posted by davidlee
I have used Stage 8 header bolts on my (former) 351 Backdraft. If I remember correctly I had to do a little grinding on a few of the hex washers to allow them to clear the header pipe. Other than that they worked great and I never had any problems with them backing out. I would use them again if I build another Cobra.
David
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I had to grind some of the hex washers too, I also used some Loc-Tite on the bolts.
__________________
REMEMBER....In Case of Spin....Both Feet in!!!!!
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01-05-2007, 01:00 PM
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Senior Club Cobra Member
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Join Date: Aug 1999
Location: Carlsbad,
CA
Cobra Make, Engine: Previous owner of SPF#1938, with a Keith Craft 496ci Genesis 427 side oiler, 667 FWHP, 633 FWTQ, 560 RWHP, 550 RWTQ.
Posts: 1,303
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Not Ranked
W-lewis,
Stage 8 header bolts are a brand name for a special design bolt that won't come loose once installed. Here's a link to their WEB site with a description and picture of the bolts.
http://www.stage8.com/offer.htm
__________________
Jim Woodard
Don't interfere with somethin' that ain't botherin' you none.
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