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Re: Small block race block [Re: MattW] #922054
08/20/11 12:04 PM
08/20/11 12:04 PM
Joined: Sep 2003
Posts: 1,138
San Angelo, Texas
W8n2DustU Offline
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San Angelo, Texas
Ritter told me he can ma nine his blo k to accept the P5 head. Problem is the head itself. They still have water leak issues. I wanted to build a tall deck P5 hemi motor for 10.5 . But no organization would legalize them in my opinion. A gen3 hemi needs alot more head bolts if your going to a max effort program. Maybe we can get Chryslers engineers to look into redesigning the block and heads to a 18 head stud design. Yes right.


2010 Toxic Orange Challenger built by B and B Racecars! All aluminum R4/P5 engine, Proformance TH400 (3 speed) tranny, full Reid case, nodular 9" rearend, full Dragpak suspension, Protorque custom converter, BS3, PTE 85mm turbo, fire core wires, carbon doors, carbon front clip, and a whole lot more!
Re: Small block race block [Re: W8n2DustU] #922055
08/20/11 01:52 PM
08/20/11 01:52 PM
Joined: Jun 2005
Posts: 2,776
Ontario Canada
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MattW Offline
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Ontario Canada
Quote:

Ritter told me he can ma nine his blo k to accept the P5 head. Problem is the head itself. They still have water leak issues. I wanted to build a tall deck P5 hemi motor for 10.5 . But no organization would legalize them in my opinion. A gen3 hemi needs alot more head bolts if your going to a max effort program. Maybe we can get Chryslers engineers to look into redesigning the block and heads to a 18 head stud design. Yes right.



They probably wont because of the advantages of using the head. I mean there is alot more to winning races than the engine, but every little bite helps.
As for the G3 extra head bolts i don't think it would be to hard to add the bolts provisions but right now there is no head with the extra bolt soooo.
I would like to now if the G3 aluminum block would work with the P5 head.

Re: Small block race block [Re: MattW] #922056
08/20/11 01:57 PM
08/20/11 01:57 PM
Joined: Aug 2006
Posts: 614
Michigan
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Get-X Offline
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Posts: 614
Michigan
Quote:

Quote:

Ritter told me he can ma nine his blo k to accept the P5 head. Problem is the head itself. They still have water leak issues. I wanted to build a tall deck P5 hemi motor for 10.5 . But no organization would legalize them in my opinion. A gen3 hemi needs alot more head bolts if your going to a max effort program. Maybe we can get Chryslers engineers to look into redesigning the block and heads to a 18 head stud design. Yes right.



They probably wont because of the advantages of using the head. I mean there is alot more to winning races than the engine, but every little bite helps.
As for the G3 extra head bolts i don't think it would be to hard to add the bolts provisions but right now there is no head with the extra bolt soooo.
I would like to now if the G3 aluminum block would work with the P5 head.




I hear that there is a 6 bolt head soon to be released....


'65 Belvedere
'68 GTX
'57 Dodge pickup
Re: Small block race block [Re: W8n2DustU] #922057
08/20/11 02:36 PM
08/20/11 02:36 PM
Joined: Apr 2007
Posts: 2,026
Trumbull,CT.
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jim sciortino Offline
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Trumbull,CT.
Quote:

Ritter told me he can ma nine his blo k to accept the P5 head. Problem is the head itself. They still have water leak issues. I wanted to build a tall deck P5 hemi motor for 10.5 . But no organization would legalize them in my opinion. A gen3 hemi needs alot more head bolts if your going to a max effort program. Maybe we can get Chryslers engineers to look into redesigning the block and heads to a 18 head stud design. Yes right.


Give Matt at MBE a call about the P-5.

Re: Small block race block [Re: jim sciortino] #922058
08/20/11 05:19 PM
08/20/11 05:19 PM
Joined: Jul 2006
Posts: 4,595
On the south side of Nowhere
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S/ST 3040 Offline
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ZIPPY used to keep a post updated with available R-3/R-4 blocks in the "HOT DEALS" section.

The last time I saw it.

........there were some P-5 machined R-4 blocks in stock.

I can't find the post.

Re: Small block race block [Re: S/ST 3040] #922059
08/20/11 06:02 PM
08/20/11 06:02 PM
Joined: Apr 2007
Posts: 2,026
Trumbull,CT.
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jim sciortino Offline
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Trumbull,CT.
Quote:

ZIPPY used to keep a post updated with available R-3/R-4 blocks in the "HOT DEALS" section.

The last time I saw it.

........there were some P-5 machined R-4 blocks in stock.

I can't find the post.


I think those don't go big.

Really short deck IIRC.

Re: Small block race block [Re: jim sciortino] #922060
08/20/11 07:19 PM
08/20/11 07:19 PM
Joined: Jul 2006
Posts: 4,595
On the south side of Nowhere
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S/ST 3040 Offline
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Yes. 8.600" IIRC

I don't think you can get 400" out of an R-4.

Re: Small block race block [Re: S/ST 3040] #922061
08/20/11 09:33 PM
08/20/11 09:33 PM
Joined: Jan 2003
Posts: 6,130
Melbourne , Australia
LA360 Offline
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LA360  Offline
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Melbourne , Australia
Aussie Pro Stock runs them at 399 cubes generally. Most of the Aussie Pro Stock blocks run around a 8.7"-9.0" deck. I think the R4's are around 8.8"-8.9" standard. Most comp guys will deck them down as far as 8.4" (which basically starts to cut into the bell housing pattern).
AL...


Alan Jones
Re: Small block race block [Re: LA360] #922062
08/20/11 09:51 PM
08/20/11 09:51 PM
Joined: Jul 2006
Posts: 4,595
On the south side of Nowhere
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S/ST 3040 Offline
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On the south side of Nowhere

6787529-DRAG_R25.gif (314 downloads)
Re: Small block race block [Re: S/ST 3040] #922063
08/20/11 10:04 PM
08/20/11 10:04 PM
Joined: Dec 2008
Posts: 11
Dyno
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JSL Offline
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Dyno
Usually run at 8.550" and as low as 8.480"

Re: Small block race block [Re: LA360] #922064
08/21/11 12:18 AM
08/21/11 12:18 AM
Joined: Dec 2006
Posts: 506
Texas Afghanistan Iraq etc.
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DakFink Offline
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Texas Afghanistan Iraq etc.
Quote:

Aussie Pro Stock runs them at 399 cubes generally. Most of the Aussie Pro Stock blocks run around a 8.7"-9.0" deck. I think the R4's are around 8.8"-8.9" standard. Most comp guys will deck them down as far as 8.4" (which basically starts to cut into the bell housing pattern).
The Aussie heads are an exact copy, right down to the cracks apparently.
AL...




I like BOOST!!!

That's not a combo that would want to work very well with Turbos.

And if the heads are prone to leaks/cracks. Turbos would definitely find them.

Re: Small block race block [Re: S/ST 3040] #922065
08/21/11 06:27 AM
08/21/11 06:27 AM
Joined: Jan 2003
Posts: 6,130
Melbourne , Australia
LA360 Offline
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Quote:





Thanks for the correction! They still squeeze 400 cubes into those things!


Alan Jones
Re: Small block race block [Re: LA360] #922066
08/21/11 11:15 PM
08/21/11 11:15 PM
Joined: Jan 2003
Posts: 6,130
Melbourne , Australia
LA360 Offline
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Melbourne , Australia
I would like to publicly retract the off the cuff comment made about the Aussie P5 heads. I based it on what has turned out to be misinformed information and Con @ PRE (He produces these heads) has been more than willing to show me in person his castings improvements over the factory produced units. I think we sometimes forget that what may consider passing comments can have an negative impact on others to which I apologize. I won't be doing it again!


Alan Jones
Re: Small block race block [Re: LA360] #922067
08/21/11 11:36 PM
08/21/11 11:36 PM
Joined: Apr 2007
Posts: 2,026
Trumbull,CT.
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jim sciortino Offline
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Joined: Apr 2007
Posts: 2,026
Trumbull,CT.
Quote:

I would like to publicly retract the off the cuff comment made about the Aussie P5 heads. I based it on what has turned out to be misinformed information and Con @ PRE (He produces these heads) has been more than willing to show me in person his castings improvements over the factory produced units. I think we sometimes forget that what may consider passing comments can have an negative impact on others to which I apologize. I won't be doing it again!


We've heard the new P-5 kills, right from Matt @ MBE.

Re: Small block race block [Re: jim sciortino] #922068
08/22/11 12:00 AM
08/22/11 12:00 AM
Joined: Dec 2006
Posts: 506
Texas Afghanistan Iraq etc.
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DakFink Offline
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Texas Afghanistan Iraq etc.
That's all fine and Dandy BUT NO-ONE has addressed a readily available Block to screw them on to. Last I looked "out of curiosity" R4's were on the For-Ever waiting list.

Is MBE or PRE making those as well?

Last edited by DakFink; 08/22/11 12:04 AM.
Re: Small block race block [Re: DakFink] #922069
08/22/11 12:11 AM
08/22/11 12:11 AM
Joined: Dec 2008
Posts: 11
Dyno
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JSL Offline
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Dyno
DakFink,

I met with Richard Maskin a couple of years ago and dicussed the possibility of producing a block. It was going to be a 2 year/$250,000 dollar project doing it with Dart. I didn't consider it a viable business proposition.

I've been trying to get in contact with Kent Ritter regarding his XR blocks. They look like they are the key to a big cubic inch P5 style motor.

I would love to build a 440-450ci motor to see what it is capable of!


P.S. I have 5 R4/P5 blocks and last I knew there were about 10 in stock at Chrysler/Michigan. Maybe Zippy can update us.

You would struggle getting anything bigger than a 3.625" stroke in the R4 block though. A 4.225" bore hasn't been an issue so far!

Last edited by JSL; 08/22/11 12:15 AM.
Re: Small block race block [Re: JSL] #922070
08/22/11 03:17 AM
08/22/11 03:17 AM
Joined: Jan 2003
Posts: 6,130
Melbourne , Australia
LA360 Offline
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LA360  Offline
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Joined: Jan 2003
Posts: 6,130
Melbourne , Australia
Quote:

DakFink,

I met with Richard Maskin a couple of years ago and dicussed the possibility of producing a block. It was going to be a 2 year/$250,000 dollar project doing it with Dart. I didn't consider it a viable business proposition.

I've been trying to get in contact with Kent Ritter regarding his XR blocks. They look like they are the key to a big cubic inch P5 style motor.

I would love to build a 440-450ci motor to see what it is capable of!


P.S. I have 5 R4/P5 blocks and last I knew there were about 10 in stock at Chrysler/Michigan. Maybe Zippy can update us.

You would struggle getting anything bigger than a 3.625" stroke in the R4 block though. A 4.225" bore hasn't been an issue so far!




When Rick Liuzzo was involved with those blocks, he did tell me ordering them with un-machined lifter bores and deck was possible at the time, but they had not tried a P5 head onto them. This was a few years ago and Kent might have looked into this by now.


Alan Jones
Re: Small block race block [Re: JSL] #922071
08/22/11 09:14 AM
08/22/11 09:14 AM
Joined: Dec 2006
Posts: 506
Texas Afghanistan Iraq etc.
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DakFink Offline
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That's why I'll stick with my W9-RPs and an R3 block.

If I can't get at least 4.000" stroke (preferably 4.250) I won't mess with it.

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