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Who makes the repro HP big block manifolds? #477344
09/23/09 10:28 AM
09/23/09 10:28 AM
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drmopar Offline OP
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drmopar  Offline OP
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Wondering who makes the Year One supplied HP 440/383 HP manifolds. Has anyone bought them and are they a good fit? Also what is the date on the manifold....

Thanks, Mike


--------------------
RM27H9G 4 speed F8/tan guts
RS27L9G auto B5/black guts
WM23H9G auto F5/green guts
2021 Challenger 392 Indigo/black guts
2019 Charger Daytona R/T F8 on black
2018 Ram Sport Hemi 4x4
Re: Who makes the repro HP big block manifolds? [Re: drmopar] #477345
09/23/09 03:05 PM
09/23/09 03:05 PM

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Dont bother, they say year one right on them.

Re: Who makes the repro HP big block manifolds? [Re: drmopar] #477346
09/23/09 03:29 PM
09/23/09 03:29 PM
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TONY_DAGOSTINO Offline
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they offer the 68-69 b-body version

and yes
they say YEAR ONE in big letters on them

Re: Who makes the repro HP big block manifolds? [Re: drmopar] #477347
09/23/09 05:01 PM
09/23/09 05:01 PM
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Wills Point, Texas
Hugh Jorgan Online work
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What part numbers and date codes are you looking for?

Re: Who makes the repro HP big block manifolds? [Re: ] #477348
09/23/09 05:19 PM
09/23/09 05:19 PM
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340dart4spd Offline
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Quote:

Dont bother, they say year one right on them.




Anyone got a pic..for a laugh

Re: Who makes the repro HP big block manifolds? [Re: 340dart4spd ] #477349
09/23/09 05:44 PM
09/23/09 05:44 PM
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DAYCLONA Offline
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Quote:

Quote:

Dont bother, they say year one right on them.




Anyone got a pic..for a laugh









They are actually nice looking and fitting manifolds, better than pitted, cracked, or ready to crack 40 year old junk,.....there's a device called a D-R-E-M-E-L, used with assorted stones and disks, that can easily remove the YO insignia,.......what'ya think some of the F.A.S.T guys are running? , plus having them extrude honed as well

Mike

Re: Who makes the repro HP big block manifolds? [Re: DAYCLONA] #477350
09/23/09 05:46 PM
09/23/09 05:46 PM
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340dart4spd Offline
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Quote:

Quote:

Quote:

Dont bother, they say year one right on them.




Anyone got a pic..for a laugh









They are actually nice looking and fitting manifolds, better than pitted, cracked, or ready to crack 40 year old junk,.....there's a device called a D-R-E-M-E-L, used with assorted stones and disks, that can easily remove the YO insignia,.......what'ya think some of the F.A.S.T guys are running? , plus having them extrude honed as well

Mike




that is why I asked to see a pic?

Re: Who makes the repro HP big block manifolds? [Re: drmopar] #477351
09/23/09 07:28 PM
09/23/09 07:28 PM
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LEE, MASS
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TOMRR Offline
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Re: Who makes the repro HP big block manifolds? [Re: TOMRR] #477352
09/23/09 07:36 PM
09/23/09 07:36 PM
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340dart4spd Offline
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Quote:






they look pretty good..do you have a close up where they say year one.... I would guess they don't have part numbers on them.or date codes...

Re: Who makes the repro HP big block manifolds? [Re: drmopar] #477353
09/23/09 10:57 PM
09/23/09 10:57 PM

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i had repro year one manifolds on my bee and they looked pretty damn good.




Re: Who makes the repro HP big block manifolds? #477354
09/24/09 11:32 AM
09/24/09 11:32 AM

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Lets all keep avoiding the fact that they say year one casted right on them.

Re: Who makes the repro HP big block manifolds? [Re: ] #477355
09/24/09 11:53 AM
09/24/09 11:53 AM
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drmopar Offline OP
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drmopar  Offline OP
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Where does it say Year one on them at? Anyone have pics of that? That may be enough to detour me from those. Any pics of the year one casted in the manifold? Anyone?


--------------------
RM27H9G 4 speed F8/tan guts
RS27L9G auto B5/black guts
WM23H9G auto F5/green guts
2021 Challenger 392 Indigo/black guts
2019 Charger Daytona R/T F8 on black
2018 Ram Sport Hemi 4x4
Re: Who makes the repro HP big block manifolds? #477356
09/24/09 12:32 PM
09/24/09 12:32 PM
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340dart4spd Offline
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Quote:

i had repro year one manifolds on my bee and they looked pretty damn good.








I see there not drilled and tapped for heat stove

Re: Who makes the repro HP big block manifolds? [Re: 340dart4spd ] #477357
09/24/09 12:55 PM
09/24/09 12:55 PM
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A Banana Republic near you.
JohnRR Offline
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Quote:

Quote:

i had repro year one manifolds on my bee and they looked pretty damn good.








I see there not drilled and tapped for heat stove




That's because 68-69 , which these are repops of , did not have the heat stove like a 70 , the part numbers are different than 70 as is the heat riser assembly and it's clocking along with the clocking of the exhaust flange .

Re: Who makes the repro HP big block manifolds? [Re: drmopar] #477358
09/24/09 01:18 PM
09/24/09 01:18 PM
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TONY_DAGOSTINO Offline
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i dont have any to picture
but the side of the manifold facing the engine says "year one" in the script logo, about 2" tall

youve only seen pics of the good side

Re: Who makes the repro HP big block manifolds? [Re: TONY_DAGOSTINO] #477359
09/26/09 10:10 PM
09/26/09 10:10 PM
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Posts: 6,743
central new york
pettyblue440 Offline
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has anyone done a dyno test to see if the reproduction manifolds flow any better than stock ones?

Re: Who makes the repro HP big block manifolds? [Re: pettyblue440] #477360
09/27/09 10:10 AM
09/27/09 10:10 AM
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Chicago, IL
TonyS451 Offline
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Whats the big deal. The guys who want the repo's obviously don't care that its not an original part. They're more concerned with the fact that "look" correct...that and they are new and won't need bead blasting, repair and aren't going to crack upon the first heat cycle they have seen in 40 years. And yes, a grinder can handily remove the year one logo if you want a new casting without their free advertisement.

If numbers and originality are your thing, there are plenty of unwanted logs out there to refurbish, for about the same cost as new ones.


2 kids and a dog
Re: Who makes the repro HP big block manifolds? [Re: TonyS451] #477361
09/28/09 12:15 PM
09/28/09 12:15 PM
Joined: Jul 2005
Posts: 3,072
Farmland, IN
Ludington1 Offline
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As Mike (Dayclona) mentioned, they actually say "YO" not "Year One" on the side of each manifold facing the engine, and it is pretty easy to remove. Sorry I don't have a picture of it, but I have a set of the manifolds on my 69 R/T vert and have been happy with them.

Darren

Re: Who makes the repro HP big block manifolds? [Re: drmopar] #477362
09/28/09 12:56 PM
09/28/09 12:56 PM
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Detroit
Kidsixpack Offline
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Quote:

Where does it say Year one on them at? Anyone have pics of that? That may be enough to detour me from those. Any pics of the year one casted in the manifold? Anyone?




I have a set (not on the car) I know the coating doesn't hold up at all so I would just ground off the YO and recoat them. they look great and I will use them when the need arises?
KID

Re: Who makes the repro HP big block manifolds? [Re: Kidsixpack] #477363
09/28/09 01:26 PM
09/28/09 01:26 PM
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Posts: 3,363
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drmopar Offline OP
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What do you want for them Steve? LOL


--------------------
RM27H9G 4 speed F8/tan guts
RS27L9G auto B5/black guts
WM23H9G auto F5/green guts
2021 Challenger 392 Indigo/black guts
2019 Charger Daytona R/T F8 on black
2018 Ram Sport Hemi 4x4
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