Brand new iron D3 style replacement castings with modern exhaust port. RHP has them exclusively. Review by Cars By Carl
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Re: Brand new iron D3 style replacement castings with modern exhaust port. RHP has them exclusively. Review by Cars By Carl
plovett wrote:dfree383 wrote:Scott, one more Question, if you don't mind....... What state are these new heads cast in? Or country?
Sounds like a fair question to me. Where are they cast? I would want to know before I put down my hard-earned American dollars.
JMO,
paulie
As i stated in the first post of this thread. Designed in the US, cast in china, final machined back here. Just as a scat stroker crank, rods etc or done...
As you can see from the pics, the casting quality and detail are quite nice. Look at the pic of the as cast chamber. Not like a procomp eh?

The Mad Porter- Posts: 131
Join date: 2009-08-07
Age: 48
Location: Tacoma, Washington

Re: Brand new iron D3 style replacement castings with modern exhaust port. RHP has them exclusively. Review by Cars By Carl
Im one of those crazy steet stormer guys.
I seriously think tooling them to look exactly like stock heads and running them would be an incredible way to make some chebby guys mad
gosh im evil
I seriously think tooling them to look exactly like stock heads and running them would be an incredible way to make some chebby guys mad
gosh im evil

Maddmattmustangs- Posts: 1197
Join date: 2010-02-15
Age: 21
Location: Berryville, Arkansas
Re: Brand new iron D3 style replacement castings with modern exhaust port. RHP has them exclusively. Review by Cars By Carl
Maddmattmustangs wrote:Im one of those crazy steet stormer guys.
I seriously think tooling them to look exactly like stock heads and running them would be an incredible way to make some chebby guys mad![]()
gosh im evil
Most chevy boys cant tell the difference between a 351 c and a 460 let alone the difference albeit small between oem D3's and there castings...

The Mad Porter- Posts: 131
Join date: 2009-08-07
Age: 48
Location: Tacoma, Washington

Re: Brand new iron D3 style replacement castings with modern exhaust port. RHP has them exclusively. Review by Cars By Carl
The Mad Porter wrote:Maddmattmustangs wrote:Im one of those crazy steet stormer guys.
I seriously think tooling them to look exactly like stock heads and running them would be an incredible way to make some chebby guys mad![]()
gosh im evil
Most chevy boys cant tell the difference between a 351 c and a 460 let alone the difference albeit small between oem D3's and there castings...
Agreed Scotty. I have a handful of guys here that are very interested in the castings. I hope they call ya up.
Doug...

ThndrChkn- Posts: 1792
Join date: 2008-12-03
Age: 45
Location: Helena, Montana
Re: Brand new iron D3 style replacement castings with modern exhaust port. RHP has them exclusively. Review by Cars By Carl
Getting some good feedback and interest yes.
One specific client wants to utilise them with a blow through super charger. I think that would be a really good baptism by fire eh???

One specific client wants to utilise them with a blow through super charger. I think that would be a really good baptism by fire eh???

The Mad Porter- Posts: 131
Join date: 2009-08-07
Age: 48
Location: Tacoma, Washington

Re: Brand new iron D3 style replacement castings with modern exhaust port. RHP has them exclusively. Review by Cars By Carl
The Mad Porter wrote:Getting some good feedback and interest yes.
One specific client wants to utilise them with a blow through super charger. I think that would be a really good baptism by fire eh???
You bet that is!
wonder if you could get 600 hp on a 429 thats been bored out with these things. stock stroke

Maddmattmustangs- Posts: 1197
Join date: 2010-02-15
Age: 21
Location: Berryville, Arkansas
Re: Brand new iron D3 style replacement castings with modern exhaust port. RHP has them exclusively. Review by Cars By Carl
Maddmattmustangs wrote:
You bet that is!
wonder if you could get 600 hp on a 429 thats been bored out with these things. stock stroke
Why not? They should work good on something like that.
Doug...

ThndrChkn- Posts: 1792
Join date: 2008-12-03
Age: 45
Location: Helena, Montana
Re: Brand new iron D3 style replacement castings with modern exhaust port. RHP has them exclusively. Review by Cars By Carl
ThndrChkn wrote:Maddmattmustangs wrote:
You bet that is!
wonder if you could get 600 hp on a 429 thats been bored out with these things. stock stroke
Why not? They should work good on something like that.
Doug...
Im going to suggest it to one of my buddies hes trying to squeeze some power out of his rebuilt 429. could be fun

Maddmattmustangs- Posts: 1197
Join date: 2010-02-15
Age: 21
Location: Berryville, Arkansas
Recent flow numbers on a stage 2 pair just shipped and pics too.
Recent pair of stage 2 castings sent out.
Singh grooves are additional and utilised when DCR is on the edge.
S/S 2.08" / 1.65" valves with 30* back cut
Pocket port work only
Flow rates at 28" water are
.200" 114 / 160
.300" 157 . 223
.400" 180 / 268
.500" 194 / 296
.600" 203 / 310
.700" 207 / 320




Singh grooves are additional and utilised when DCR is on the edge.
S/S 2.08" / 1.65" valves with 30* back cut
Pocket port work only
Flow rates at 28" water are
.200" 114 / 160
.300" 157 . 223
.400" 180 / 268
.500" 194 / 296
.600" 203 / 310
.700" 207 / 320





The Mad Porter- Posts: 131
Join date: 2009-08-07
Age: 48
Location: Tacoma, Washington

Review by Carl at Cars by Carl. Thank you Carl.
http://www.460ford.com/forum/showthread.php?t=149585

The Mad Porter- Posts: 131
Join date: 2009-08-07
Age: 48
Location: Tacoma, Washington

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