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Re: Edelbrock 4.0L head soon to be available.

Posted: April 24th, 2015, 6:09 pm
by jsawduste
Well it seems to have a nice chamber and might be a decent foundation for improvements. Disappointed that what blakely and hooker promised didn't come through.

Re: Edelbrock 4.0L head soon to be available.

Posted: April 24th, 2015, 6:09 pm
by jsawduste
Well it seems to have a nice chamber and might be a decent foundation for improvements. Disappointed that what blakely and hooker promised didn't come through.

Re: Edelbrock 4.0L head soon to be available.

Posted: April 24th, 2015, 6:09 pm
by jsawduste
Well it seems to have a nice chamber and might be a decent foundation for improvements. Disappointed that what blakely and hooker promised didn't come through.

Re: Edelbrock 4.0L head soon to be available.

Posted: April 25th, 2015, 5:06 am
by jeepxj3
Drill out the pushrod holes 15/16" and your done.

Re: Edelbrock 4.0L head soon to be available.

Posted: April 25th, 2015, 7:13 am
by jsawduste
jeepxj3 wrote:Drill out the pushrod holes 15/16" and your done.
Your right, why didn`t Edlebrock do it ?

Re: Edelbrock 4.0L head soon to be available.

Posted: April 25th, 2015, 8:43 am
by nicpaige
Current pushrod holes are .750".

Re: Edelbrock 4.0L head soon to be available.

Posted: April 25th, 2015, 10:45 am
by CrankyD
There isn't enough meat for me to try to drill them out, the spark plug openings are right there. It just makes me a bit upset that I asked this specific question of Edelbrock prior to purchase and I was informed that this was one of the features that would be included on the production heads.

Re: Edelbrock 4.0L head soon to be available.

Posted: April 25th, 2015, 6:04 pm
by nicpaige
gradon wrote:Sexy. Get a pic with it on a scale. No lifters coming through those holes.
I can read a scale and I have no reason to lie about it. I could take it to work and get it down to tenths of a gram. LOL :P

Re: Edelbrock 4.0L head soon to be available.

Posted: April 25th, 2015, 7:25 pm
by shawnxj
wonder how much room is left for opening the runners for more flow. anybody planning on getting with a shop like total engine airflow to do some flow work? i've had them do stage 2 jobs on ls heads and man they come back pretty and the flow sheets show massive improvements

Re: Edelbrock 4.0L head soon to be available.

Posted: April 26th, 2015, 6:17 am
by SilverXJ
CrankyD wrote:It just makes me a bit upset that I asked this specific question of Edelbrock prior to purchase and I was informed that this was one of the features that would be included on the production heads.
I would call them and ask about this. I do know that one of the images I had seen previously showed much larger pushrod holes.

Re: Edelbrock 4.0L head soon to be available.

Posted: April 26th, 2015, 11:08 am
by gradon
Nic you and I posted at the same time, so my post wasn't a response to yours--you just happened to answer my question.

Re: Edelbrock 4.0L head soon to be available.

Posted: April 26th, 2015, 1:59 pm
by 6TIME
SilverXJ wrote:
CrankyD wrote:It just makes me a bit upset that I asked this specific question of Edelbrock prior to purchase and I was informed that this was one of the features that would be included on the production heads.
I could call them and ask about this. I do know that one of the images I had seen previously showed much larger pushrod holes.
X2!!

Re: Edelbrock 4.0L head soon to be available.

Posted: April 26th, 2015, 3:20 pm
by Russ Pottenger
Although I haven't done it yet, it shouldn't be a big deal opening the existing hole for lifter access.

I do agree Edelbrock should have done it, but where they really blew it was not raising the valve cover rail
and putting in valve seats with a larger OD like Hesco did.

Hoping they will make these changes in the near future.

Re: Edelbrock 4.0L head soon to be available.

Posted: April 26th, 2015, 8:21 pm
by nicpaige
My oem head weighs 70.6 lbs. Thats 33 pounds heavier than the edelbrock head. Anyone know if there are any issues using screw in studs with the stock rocker arms?

Re: Edelbrock 4.0L head soon to be available.

Posted: April 26th, 2015, 8:24 pm
by nicpaige
gradon wrote:Nic you and I posted at the same time, so my post wasn't a response to yours--you just happened to answer my question.
Cool...gotcha