Moparts

Indy Head owners

Posted By: moparniac

Indy Head owners - 02/26/09 10:49 PM

My first set of heads and I ran a bead across the valley plate end rails and put the heads on and it seems the heads dont go to the top of the cutangel... ??? I also ran another bead across the channel.. thoughts??? is this normal....

also what is the valve angle of the indy ez heads. thx
Posted By: Bob_Coomer

Re: Indy Head owners - 02/26/09 10:55 PM

I encountered the same thing Wedge. I picked up my Valley plate used at a swap meet. it liked a good 1/4 before touching the head. I just ran a bead of sealer, let it dry, ran another on top of it. and bolted the clean head down while the sealer was a little tacky..
Posted By: Anonymous

Re: Indy Head owners - 02/26/09 10:57 PM

Yes, you must seal the head to the valley plate with a bead of silicon...

Attached picture 5055439-coronet007.jpg
Posted By: bonefish

Re: Indy Head owners - 02/26/09 10:59 PM

ive got a set of sr,s and EZ-325,s they fit perfect.ive had the EZ,s on 3 different blocks mildly decked and no prob.
Posted By: 602heavy

Re: Indy Head owners - 02/26/09 11:03 PM

How come indy don't supply a gasket for this?

Got the Indy valley plate which has to go on before the heads (572-13s) , got an oil leak between heads & plate even though the heads were bolted down on a bed of sealer , seems the gap between heads & plate is a good 3/8".

Anyone else have this problem , as said above , WHY don't indy supply a gasket?
Posted By: moparniac

Re: Indy Head owners - 02/26/09 11:07 PM

I set the head on with the sealer a little smudgy and then laid a bead across the gap and spread it smooth with my finger..
Posted By: moparniac

Re: Indy Head owners - 02/26/09 11:12 PM

whats the valve angle of a indy head.. just curious..
Posted By: B G Racing

Re: Indy Head owners - 02/26/09 11:16 PM

We usually mill the sides off the valley plate so that we can remove it with the heads in place.We apply a heavy bead of black RTV and smooth it with our finger and remove any excess with a razor blade.Zero leaks.
Posted By: AndyF

Re: Indy Head owners - 02/26/09 11:31 PM

That is why I ended up designing and making my own valley plates.
Posted By: 602heavy

Re: Indy Head owners - 02/26/09 11:31 PM

That's a great idea Bob , thanks.

Or remove water pump etc & pull plate out from the front.

Posted By: moeflo

Re: Indy Head owners - 02/27/09 12:09 AM

Quote:

whats the valve angle of a indy head.. just curious..



Through -1's they're the stock 15°.
Posted By: 440Jim

Re: Indy Head owners - 02/27/09 12:32 AM

The used setup I bought before the 2008 season seemed to fit fine. The gap for silicone was only maybe 1/16". Maybe you can see in this pic (open attachment) that the head doesn't go all the way to the top of the angle cut on the valley plate, but the gap is small.

Attached picture 5055737-Enginestand19LFcrop.jpg
Posted By: JoWeTu_6

Re: Indy Head owners - 02/27/09 01:40 AM

572-13 heads are 13 degres, I bought a valey plate from Indy it had a large gap also so I measured it, It was 8 1/2 on one end and 8 3/8 on the other end witch caused an almost 3/16 gap I new it wouldnt seal so I sent it back for exchange. When they recived it I called them they claimed that the almost 3/16 gap was within spec, so I asked them to send me another one anyway, that was three weeks ago and I'm still waiting for it. So it looks like you all may have to live with that gap
Posted By: AndyF

Re: Indy Head owners - 02/27/09 01:45 AM

The plates I make are CNC machined so they fit correctly. I make them so they are flush with the deck which leaves a gap of about 0.030 (head gasket thickness) that is filled in with RTV.

Attached picture 5055985-valley.jpg
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