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Search: Posts Made By: 68xr7cat
Forum: Engine Tech 07-30-2014, 02:26 AM
Replies: 29
Views: 589
Posted By 68xr7cat
The Cometics are PN: C5205-125, but only 1/8"...

The Cometics are PN: C5205-125, but only 1/8" thick. Did not occur to me you had a clearance problem.

One of these should work:

http://www.summitracing.com/parts/fel-1643/overview/make/ford...
Forum: Engine Tech 07-29-2014, 11:47 PM
Replies: 20
Views: 908
Posted By 68xr7cat
Has the wagon been weighted? It may be lighter...

Has the wagon been weighted? It may be lighter than you think, well more like 4,800 lbs...

BTW you need to post pictures!
Forum: Engine Tech 07-29-2014, 11:40 PM
Replies: 9
Views: 237
Posted By 68xr7cat
Is an E4OD.

Is an E4OD.
Forum: Engine Tech 07-29-2014, 11:28 PM
Replies: 29
Views: 589
Posted By 68xr7cat
As been said PCV works at idle/low load speeds....

As been said PCV works at idle/low load speeds. To answer your question about low vacuum at idle it does not matter. Purpose of the valve in a PCV valve is to regulate the "Leak" as vacuum changes....
Forum: Engine Tech 07-29-2014, 11:09 PM
Replies: 28
Views: 611
Posted By 68xr7cat
Did he put hardened exhaust seat in the heads? If...

Did he put hardened exhaust seat in the heads? If not you will have a problem down the road. More I hear more sounds like a head gasket. More I hear less I like. That engine should not be carboned up...
Forum: Engine Tech 07-29-2014, 10:54 PM
Replies: 28
Views: 611
Posted By 68xr7cat
Well I'd say you have four issues to be addressed...

Well I'd say you have four issues to be addressed to get this thing right:

1) Compression too high for pump gas - Either change the pistons or put D3VE heads on it.

2) Cam timing - need to set...
Forum: Engine Tech 07-28-2014, 12:02 AM
Replies: 2
Views: 136
Posted By 68xr7cat
Yeah the block is junk, I will be happy to...

Yeah the block is junk, I will be happy to dispose of it for you... LOL

X2 on what Boss said. Also Cometic makes a bunch of thicker head gasket sizes that can make up for that low deck height. Can...
Forum: Engine Tech 07-27-2014, 11:52 PM
Replies: 28
Views: 611
Posted By 68xr7cat
With that timing set they should not have...

With that timing set they should not have retarded the timing. I'd recommend running it straight up like it is supposed to be. As for being compatible with today's gas they should have used the right...
Forum: Engine Tech 07-27-2014, 10:52 PM
Replies: 5
Views: 217
Posted By 68xr7cat
what kind of transmission? Stall speed? Axle gear...

what kind of transmission? Stall speed? Axle gear ratio? Tire diameter?

You said it is used mainly for off road. What rpm range you drive in usually?
Forum: Engine Tech 07-27-2014, 10:30 PM
Replies: 21
Views: 726
Posted By 68xr7cat
Sounds like that engine does not owe you...

Sounds like that engine does not owe you anything. As far as rod goes does not take much to tweak a rod. Usually everything is fine and down the road end up with a rod knock. Yeah get everything...
Forum: Engine Tech 07-27-2014, 10:12 PM
Replies: 122
Views: 5,694
Posted By 68xr7cat
That is a detonation issue there. I can tell you...

That is a detonation issue there. I can tell you just from the cranking pressure on the good cylinders that you have too high of a compression for towing. I am thinking going to find a few issues on...
Forum: Engine Tech 07-27-2014, 01:51 AM
Replies: 20
Views: 908
Posted By 68xr7cat
Once past about 12:1 the returns from higher...

Once past about 12:1 the returns from higher compression tend to be less and less as pumping losses tend to over come the gain. About 15:1 seems to be the end, some have gone as high as 17:1 and...
Forum: Engine Tech 07-27-2014, 01:44 AM
Replies: 3
Views: 127
Posted By 68xr7cat
From memory recall some of the block bolt holes...

From memory recall some of the block bolt holes got though. Sorry too late to go look at a block. I'd lower the coolant level below the bolt level, dry the block threads and apply some thread sealer...
Forum: Engine Tech 07-27-2014, 01:29 AM
Replies: 2
Views: 103
Posted By 68xr7cat
It will bolt on, but the ports will not line up...

It will bolt on, but the ports will not line up or seal up. You can buy an adapter like this one:

http://www.pricemotorsport.com/html/body_ap-37_intake_adapter_plate.html

The other option is...
Forum: Engine Tech 07-27-2014, 01:19 AM
Replies: 21
Views: 726
Posted By 68xr7cat
Clearly you have found a few issues. Just a...

Clearly you have found a few issues. Just a comment, I don't know what kind of air inlet system you have, but if it is pulling in fresh air from the front or a wheelwell I'd have to wonder if you...
Forum: Engine Tech 07-27-2014, 01:13 AM
Replies: 6
Views: 269
Posted By 68xr7cat
Your D9TE and the D1VE block those PI heads would...

Your D9TE and the D1VE block those PI heads would have come off of have the same deck height.

The Ford procedure for adjusting positive stop rockers is to thread the nut on and torque to spec....
Forum: Engine Tech 07-24-2014, 11:46 PM
Replies: 8
Views: 361
Posted By 68xr7cat
Looking at the piston I'd say a piece of metal...

Looking at the piston I'd say a piece of metal made its way through the engine. You can see marks in the piston. If the block is already at .030" I'd wait until the machine shop checks the bores...
Forum: Engine Tech 07-24-2014, 11:40 PM
Replies: 7
Views: 341
Posted By 68xr7cat
Well with D3VE heads don't have to worry about...

Well with D3VE heads don't have to worry about 10-1/2 CR as take a pop up piston to get into that range. You can get a pop up piston, but think for what you want better off with a bit less CR.

A...
Forum: Engine Tech 07-24-2014, 11:11 PM
Replies: 122
Views: 5,694
Posted By 68xr7cat
It is really simple you take everything to the...

It is really simple you take everything to the machine shop and have them inspect and measure everything out. If you have the experience and tools you could do it yourself, but it does not sound like...
Forum: Engine Tech 07-24-2014, 09:22 PM
Replies: 122
Views: 5,694
Posted By 68xr7cat
Did you ever cut open the oil filter? Usually...

Did you ever cut open the oil filter? Usually when you hurt a engine you will find debris in the filter.

At this point I'd say as you have been told by many just pull it out and have everything...
Forum: Engine Tech 07-23-2014, 11:06 AM
Replies: 7
Views: 267
Posted By 68xr7cat
A KB 460 piston would be very close to zero deck...

A KB 460 piston would be very close to zero deck on a stock early block as its CH is 1.77". If it is .020" out then the block has been cut. Early blocks (68-70) were 10.300" deck except for 2V...
Forum: Engine Tech 07-23-2014, 10:32 AM
Replies: 7
Views: 341
Posted By 68xr7cat
The pistons come with new pins, don't use the old...

The pistons come with new pins, don't use the old ones. These are press fit so best let the shop install them onto the rods. Usually heat up end of rod and slip the pin in.

Provided the weight of...
Forum: Engine Tech 07-23-2014, 12:10 AM
Replies: 7
Views: 341
Posted By 68xr7cat
That piston has been hammered pretty good. It is...

That piston has been hammered pretty good. It is the typical bathtub piston which are about 22cc. That piston in the link is not what you need. You need this one:
...
Forum: Engine Tech 07-22-2014, 11:54 PM
Replies: 4
Views: 218
Posted By 68xr7cat
They most certainly put a 429 in '71's. Don't...

They most certainly put a 429 in '71's. Don't expect much from your local parts stores.

Given you have D3VE heads if original would be out of an '73 to mid '80's. Casting numbers should be in the...
Forum: Engine Tech 07-22-2014, 11:46 PM
Replies: 46
Views: 1,714
Posted By 68xr7cat
I was taught a long time ago a lot to do with...

I was taught a long time ago a lot to do with building race engines is machine work and attention to detail. From what has been presented the 836 lifters Dave got have a problem at least in some...
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