[Amc-list] Fwd: Yo Nick, any comparo on the Indy and E-B Heads

[Nick ALFANO <71amx@xxxxxxxxxxxxx>]

Sorry,forgot the price.  The current price on the SR
heads is $1990 - 10% = $1791 + shipping.  


Nick Alfano
Alfano Performance
Kenosha, WI. 53142
262-308-1302
262-942-8271 after 6pm central and weekends


--- Nick ALFANO <71amx@xxxxxxxxxxxxx> wrote:

> Date: Tue, 20 Feb 2007 12:22:53 -0800 (PST)
> From: Nick ALFANO <71amx@xxxxxxxxxxxxx>
> Subject: Yo Nick, any comparo on the Indy and E-B
> Heads
> To: amc list <mail@xxxxxxxxxxxx>
> 
> Here is how I see it as I sell both brands and have
> used both on engine builds.  
> 
> Out of the box, the Indy SR heads flow better.  The
> raised intake port is slightly better and there is
> more material in them to port if desired.  With some
> port work, 280 + cfm from the Edelbrocks is there. 
> To
> get much more, you have to swap out the valves for
> larger ones and unshroud the chambers.  Also, if you
> plan on running more than 580 lift, you will need to
> change valves and springs as well.  Indy heads come
> with springs to match your cam where as the
> Edelbrocks
> come with a standard spring for decent size
> hydraulic
> anything else is a separate purchase.  The Indy
> heads
> retail for about $1990-2090 (depending on guide
> plates
> and studs or not) while the Edelbrocks are around
> $1640 complete.
> 
> 
> Chamber size is different between them.  Indy has a
> 61cc chamber and Edelbrock has a 54.  This equates
> to
> more or less compression depending on you
> application.
>  If you currently have a 58cc head and 10.0:1
> compression, you will increase that to appr.
> 10.3-4:1
> with the Edelbrock heads and decrease to appr. 9.7
> with the Indy heads.  The advantage to aluminum
> heads
> is you can run more compression and not have fuel
> problems than with cast iron due to the heat
> dissipation of aluminum.  The pit fall is the same
> reason.  The decreased heat in the combustion
> chamber
> mean less hp from the exact same flowing cast head. 
> One way around this is to have the piston and
> chamber
> coated to retain heat.  The benefits typically out
> weigh this loss though as the aluminum head are
> typically more efficient than most of the cast heads
> out there (this is just rule of thumb so don't
> scream
> about your highly ported, epoxied cast heads).
> 
> Out of the box, the Edelbrock heads don't need any
> adjustment to the attaching bolt ons.  The Indy
> heads
> do require a space for the intake which is no big
> deal.  Both bolt up to a regular dogleg header.
> 
> All in all, if you can use the Edelbrock heads out
> of
> the box the way they come with the valves and
> springs,
> you will save a couple dollars with them.  If you
> don't mind doing some work to them you can get them
> to
> flow fairly well and better than most cast heads. 
> If
> you are looking at future upgrades or want something
> you can tailor to your cam specs, the few extra
> dollars for the Indy heads is well spent.  A good
> set
> of springs and valves will more than chew up the
> difference.
> 
> A couple other observations.  The first set of heads
> I
> got from both had initial issues.  First the Indy
> heads.  On both heads, the two outside center valve
> cover holes were drilled and tapped into the water
> jacket.  We found this out when we removed the cover
> and had anti-freeze shoot out from them (easy fix
> and
> might be fixed now as this was one of the first sets
> they made).  With the Edelbrocks, a few things that
> they are aware of and were fixing.  First, the push
> rod holes on the intake side were off a little.  The
> push-rods rubbed so we had to machine them out. 
> Also,
> the guides were a little too tight, again not to big
> of a deal, we honed them slightly.  As with any part
> like these, they should be completely disassembled,
> cleaned and checked before installation.  Ours found
> to have black gritty particulate trapped in the
> grease
> for the guides and in the chambers that would have
> caused some scoring if not first removed. It also
> made
> us realize the guides were too tight for our liking.
> 
> 
> Sorry this was so long but I hope it helps you
> decide.
>  I think they are both good parts and have their
> place
> with strengths and weaknesses.  I am sure there is
> more to tell about both, but for most people this
> should work.
> 
> Nick Alfano
> Alfano Performance
> Kenosha, WI. 53142
> 262-308-1302
> 262-942-8271 after 6pm central and weekends
> 
> Message: 8
> Date: Tue, 20 Feb 2007 08:39:33 -0800 (PST)
> From: Jesse <j2sax@xxxxxxxxx>
> Subject: [Amc-list] Yo Nick, any comparo on the Indy
> and E-B Heads
> To: amc-list@xxxxxxxxxxxx
> Message-ID:
> <461533.96698.qm@xxxxxxxxxxxxxxxxxxxxxxx>
> Content-Type: text/plain; charset=iso-8859-1
> 
> 
> Now I trust that you will be forthright evenn though
> you are selling the Indy's because you are that kind
> of guy and Vendor (always hear good things about
> Nick
> and he has a great booth at every NAMDRA Meet!)  
> 
> So, I have some "people" that can help me get a set
> of
> EBrocks heads for a slight discount.  I am not
> shooting for a street monster motor.  I might push
> 400... staying with stock crank and rods 360 with a
> hydr cam just under .500 and an R4B for the 70 360. 
> All this in my 79 AMX.   I like the idea of the
> improved efficiency and weight savings of the Alum
> heads.
> 
> So can you tell us the differences/benefits of one
> over the other?  Also, what will our price be with
> the
> 10% disc?  
> 
> THanks and keep up the good work!  
> 
> Jesse
> 
> 


Alfano Performance
Kenosha, WI. 53142
262-308-1302
262-942-8271 after 6pm central and weekends
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