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Hey all,
In the process of parts collecting for another build, either a 70's truck or early 60's galaxy. I have some SR-71 heads. I do not want studs I want to use head bolts, it is my understanding that I would have to use Blue Thunder head bolts at least for the bottom bolts. Kaase only uses studs and gave me the part number for those and as mentioned I want bolts. Does anyone know if ARP has such a kit and if so what is the part number, or does anyone have a set they don't need and willing to sell? Thanks in advance for you help.
 

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1990 Ford Mustang LX 351M powered!! Project Cherry Bomb!!
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May not have the capability to remove the heads with studs after it's in the car.. Might not be able to remove the studs either to do it that way depending upon how much room there's gnna be in the engine compartment.. Just like in my situation, I've got a Foxbody, and I don't think I'll have enough room to try studs on the driver's in case I have to pull a head later on instead of having to pull the whole engine.. Just my $0.02...
 

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It’s possible that no one on here has used a set of bolts with the SR-71’s. If you want to use bolts you may have to get out a tape measure and do some math. Measure the depth of the block deck holes then add the height of the bolt passages on the head. With that # Id guess ARP could hook you up with a fastener that would work. Remember to add some clearance so the bolt doesn’t bottom out in the block before the correct clamp load is achieved.
 

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1990 Ford Mustang LX 351M powered!! Project Cherry Bomb!!
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If you consider in a power brake booster then the bolts on the very back would be.. Yeh I know, hydro boost!!! I've not got that fundage and I don't have the legs for standard brake booster... Spinal issues..
 

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You can do studs, if the head needs to come off while it's in the car, just put the studs in after the fact. For the ones that's pinned in by a brake booster, put them in the head, and rubber band around them so the cam over and stay put. I've done this with many a 6.0 diesel and it usually does the trick.
 

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1990 Ford Mustang LX 351M powered!! Project Cherry Bomb!!
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This is the reason why I post on here... So this old horse can drink new oats without all the extra salt in the water!! 😆😆👍
 
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