Author Topic: BOSS 429 Intake XH10025  (Read 1795 times)

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Offline BOSSHiPo

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BOSS 429 Intake XH10025
« on: April 16, 2019, 05:34:17 pm »
I have an Intake Manifold that I've had for about 30 plus years for a BOSS 429 that is cast with Holman & Moody on it, Bottom side has Cast by Buddy Bar

Part Number XH10025

Looking for history when and where these were used.

I've been told very few were ever cast.

I've never seen another one like it in the 40 years or so I've had this passion for interesting parts.

Thanks in advance,

Joe

Offline crossboss

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Re: BOSS 429 Intake XH10025
« Reply #1 on: April 16, 2019, 06:11:42 pm »
Mag or alum? Photos would be nice.
Current lifelong project:
1969 Mustang Fastback/FOX chassis, 6 speed, 4 wheel discs, with a modern Can-Am 494 (Boss 429), Kaase headed, intake mounted with a 1425 cfm 'B' Autolite Inline carb, ala Trans-Am style…Whew!

Offline BOSSHiPo

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Re: BOSS 429 Intake XH10025
« Reply #2 on: April 16, 2019, 06:29:29 pm »
Aluminum

Like a Mini Plenum BOSS 302 only bigger

 :) :o


Offline ablue69

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Re: BOSS 429 Intake XH10025
« Reply #3 on: April 16, 2019, 07:10:54 pm »
Now that is cool!
'64 1/2 Convertible (SOLD)
'64 1/2 hardtop
'66 Bronco, 5.0 fuel injected, restomod
'67 Mustang Junior!
'68 Bronco Half Cab
'69 BOSS 302  9F02G196425 (SOLD)
'74 Bronco 302 auto
'89 Saleen (bought new, never modified!)
'96 Bronco XLT
'08 F350 Lariat Crew Cab dually
'16 T350 Transit Cargo Van dually

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Offline ed meyer

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Re: BOSS 429 Intake XH10025
« Reply #4 on: April 16, 2019, 07:31:56 pm »
Intake side center bolt holes must be tightened when top is off i would think ?

Offline BOSSHiPo

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Re: BOSS 429 Intake XH10025
« Reply #5 on: April 16, 2019, 08:11:26 pm »
 ::)

Offline crossboss

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Re: BOSS 429 Intake XH10025
« Reply #6 on: April 16, 2019, 08:45:51 pm »
Yes, I have seen this version. Neat piece. Im unaware of any 'class' of racing that would/did use them, or how successful it worked. Randy will know for sure.
Current lifelong project:
1969 Mustang Fastback/FOX chassis, 6 speed, 4 wheel discs, with a modern Can-Am 494 (Boss 429), Kaase headed, intake mounted with a 1425 cfm 'B' Autolite Inline carb, ala Trans-Am style…Whew!

Offline gt350hr

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Re: BOSS 429 Intake XH10025
« Reply #7 on: April 17, 2019, 08:44:31 am »
    XH  numbers were used by "outside vendors" so this is an experimental , outside vendor sourced part.  The number is right after the two used for the Boss 302 Mini plenum. I assume the top is XH10024. Because of this and the  style it is safe to assume Bud Moore Engineering was also the source. One with the Holman Moody name on it would have been a "later" run as the originals were "no name". When I was at Holman Moody Charlotte in '77 , there were a few pallets with manifolds stacked on them as delivered from Buddy Bar. One was the "spider" version another was this version and yet another was a stack of the 429 wedge dual four manifolds . There was also one with the Boss 302 single four T/A ( but Holman Moody lettered) They were expensive @ $175 ( in '77 dollars) I think the pallet held at least 50 manifolds. IIRC there were some machined for wedge heads too.
     It is important to understand that current rarity doesn't always equal an ultra performance part. Often more common ones were the ones that "worked" the best. This manifold is CERTAINLY cool looking . How it ran would be a good question and with more of the "in the day" Holman moody guys passing , it's getting tougher to find out the "old stuff".
    Randy
'66 GT350H (6S477)1of 18 white w/blue side stripes - drag raced mostly w / Boss 302 power for 35+ years
68.5 Cobra Jet fb  white w/blue c stripe 4spd
sorry never owned a Boss car just engines
cover Car Craft July '77 with my Boss powered GT350
cover/article Mustang Illustrated Fall 1987 w/all aluminum SK 351 Cleveland powered Mustang II
cover /article Modified Mustangs Feb 2011
cover Mustang Monthly  June 2014

Offline BOSSHiPo

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Re: BOSS 429 Intake XH10025
« Reply #8 on: April 17, 2019, 09:29:44 am »
Hey Randy,

Pretty cool info! I love the stuff! Just discovered this site and trying to learn all I can.

I also have the Mini for the BOSS 302 that you referred to and never put the 2 together about the XH numbering.

My BOSS 302 does have the 22, 23 numbers you spoke of. However the cover on the BOSS 429 has no identification.

Understood about rarity does not necessarily equal performance, I'm sure back then they were trying everything they could to get an advantage on performance!

Wish I could go back in the day and see some of this really cool stuff in action!

Awesome site!

Really appreciate the info!

Joe

Offline gt350hr

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Re: BOSS 429 Intake XH10025
« Reply #9 on: April 17, 2019, 04:27:06 pm »
    Joe ,
       The predominant manifold used and in "period" pictures was the single plane "spider" manifold. Your manifold with the large plenum area might have needed some filling to reduce that volume . Ford tried huge "bathtub" intakes , similar to those on the 426 hemi so YES it is obvious they were trying everything they could throw at it.  Adding cubic inches under that manifold could "transform" it into a very powerful part. 100 + cubic inches makes a big difference for sure. Yours is as I said hard to beat for the cool factor.
    Nice piece.
        Randy
'66 GT350H (6S477)1of 18 white w/blue side stripes - drag raced mostly w / Boss 302 power for 35+ years
68.5 Cobra Jet fb  white w/blue c stripe 4spd
sorry never owned a Boss car just engines
cover Car Craft July '77 with my Boss powered GT350
cover/article Mustang Illustrated Fall 1987 w/all aluminum SK 351 Cleveland powered Mustang II
cover /article Modified Mustangs Feb 2011
cover Mustang Monthly  June 2014

Offline Parts67

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Re: BOSS 429 Intake XH10025
« Reply #10 on: April 18, 2019, 07:20:38 am »
Not trying to steal the thread. But does anyone have any info on this manifold? I can't find any numbers on it.

Offline crossboss

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Re: BOSS 429 Intake XH10025
« Reply #11 on: April 18, 2019, 08:14:44 am »
Not trying to steal the thread. But does anyone have any info on this manifold? I can't find any numbers on it.



Thats the 'Ram-Box' intake. Very similar in design to a Cross-Boss and Bud Moore's 351 Cleveland Ram-Box used for NASCAR super speedway use.
Current lifelong project:
1969 Mustang Fastback/FOX chassis, 6 speed, 4 wheel discs, with a modern Can-Am 494 (Boss 429), Kaase headed, intake mounted with a 1425 cfm 'B' Autolite Inline carb, ala Trans-Am style…Whew!

Offline Parts67

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Re: BOSS 429 Intake XH10025
« Reply #12 on: April 18, 2019, 08:49:50 am »
Thanks!

Offline BOSSHiPo

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Re: BOSS 429 Intake XH10025
« Reply #13 on: April 18, 2019, 07:43:03 pm »
Interesting, I have a "Ram Box" for a 351 Cleveland also, if that's what you are calling it?

Didn't know NASCAR ran Cleveland engines.

Anyone have a picture of the Spider Intake for the BOSS 429 that they can share?

Like to see what it looks like.

Thanks!

Joe

Offline mgreene

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Re: BOSS 429 Intake XH10025
« Reply #14 on: April 19, 2019, 06:17:15 am »
Interesting, I have a "Ram Box" for a 351 Cleveland also, if that's what you are calling it?

Didn't know NASCAR ran Cleveland engines.

Anyone have a picture of the Spider Intake for the BOSS 429 that they can share?

Like to see what it looks like.

Thanks!

Joe

Bud Moore started racing '72 Gran Torinos with 351C in 1972. Bobby Isaac was one of his drivers. It was #15, sponsored by Sta-Power.
1970 Boss 302
1969 428SCJ Mach 1
1966 GT-350H
1972 Pantera