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Search: Posts Made By: c.evans
Forum: Engine Tech 12-01-2014, 12:11 AM
Replies: 2
Views: 192
Posted By c.evans
To answer your own question about if the heads...

To answer your own question about if the heads would run out of air,,,,,, have them flow tested and get some quantitative numbers on them. Then you can make an informed decision instead of taking a...
Forum: Engine Tech 10-28-2014, 01:03 AM
Replies: 26
Views: 1,030
Posted By c.evans
Rob, This question is like an analogy...

Rob,

This question is like an analogy between a short see-saw and a long see-saw on a childrens playground. With shaft mounted rocker arms from the Big 4, (Jesel, T&D, W W Engineering, and...
Forum: Engine Tech 10-26-2014, 11:59 PM
Replies: 26
Views: 1,030
Posted By c.evans
There's many heads that flow worse at .800" lift...

There's many heads that flow worse at .800" lift than they do at .700" lift. Likewise there's many a head that flows worse at .900" lift than they do at .800" lift. My point being that "the most...
Forum: Engine Tech 10-03-2014, 02:16 AM
Replies: 3
Views: 367
Posted By c.evans
Almost all of the bushing manufacturers use a...

Almost all of the bushing manufacturers use a 1.000" o.d. bushing for any of the three common lifter sizes from the OEM, meaning the .842" GM lifters, the .875" Ford lifters and the .903" Mopar...
Forum: Engine Tech 09-18-2014, 03:40 AM
Replies: 2
Views: 316
Posted By c.evans
Leave them on the intake side at least. If you...

Leave them on the intake side at least. If you want to "clean up" as you say the exhaust side that's okay. Tootsie roll any spark plug threads that enter into the chamber, beyond the end of the...
Forum: Engine Tech 09-10-2014, 07:45 PM
Replies: 39
Views: 2,079
Posted By c.evans
Phil, It's been 4 days or so since I...

Phil,

It's been 4 days or so since I mentioned these potential problem areas. Has your engine builder given you any answers yet about the possible valve clipping issue?
Forum: Engine Tech 09-05-2014, 12:03 AM
Replies: 39
Views: 2,079
Posted By c.evans
Phil, while you are at your engine builders,...

Phil, while you are at your engine builders, since you have A-429 CJ heads, please have him check and see if your intake and exhaust valves have been clipping each other. If they were, that can...
Forum: Engine Tech 09-03-2014, 12:52 AM
Replies: 39
Views: 2,079
Posted By c.evans
bigfun, I clicked on your link to the...

bigfun,

I clicked on your link to the pictures. You do not have SCJ heads on your engine. You have A-429 CJ heads, going by the pictures of the engine. I think you're missing Lem's point. The...
Forum: Engine Tech 08-27-2014, 01:50 PM
Replies: 9
Views: 535
Posted By c.evans
$240 + some shipping from Owensboro, KY to...

$240 + some shipping from Owensboro, KY to whereever you are. Just give me a call (270)685-4654, I have about 30 pair setting on the shelf. The Fab Shop in New Palestine, IN also sells my adapters.
Forum: Engine Tech 08-25-2014, 09:16 PM
Replies: 9
Views: 535
Posted By c.evans
Lowering the port floor does nothing to increase...

Lowering the port floor does nothing to increase the exhaust flow, it actually hurts it. That's why both the Edelbrock heads and the TFS Street heads have a raised port floor. I made them the way I...
Forum: Engine Tech 08-25-2014, 11:41 AM
Replies: 9
Views: 535
Posted By c.evans
We use a liberal dose of high temp red or orange...

We use a liberal dose of high temp red or orange RTV. Let it fill in over the allen head bolts.

Hope this helps,
Forum: Engine Tech 08-25-2014, 12:58 AM
Replies: 9
Views: 535
Posted By c.evans
Why don't you take a look here and see if this...

Why don't you take a look here and see if this isn't what your talking about?

http://www.evansracingengines.com/gallery/hpim0071.html

Hope this helps,
Forum: Engine Tech 08-21-2014, 08:11 PM
Replies: 11
Views: 375
Posted By c.evans
They're good. Larry Morgan runs them in some of...

They're good. Larry Morgan runs them in some of his engines.
Forum: Engine Tech 08-21-2014, 12:53 AM
Replies: 5
Views: 378
Posted By c.evans
Yes, valves that big would contact the cylinder...

Yes, valves that big would contact the cylinder wall, like what Randy said. However, you didn't say what size valves in your first post. The current TFS A-460 heads come with either a 2.300, 2.350,...
Forum: Engine Tech 08-20-2014, 11:10 PM
Replies: 5
Views: 378
Posted By c.evans
Somebody told you wrong. The TFS heads with a...

Somebody told you wrong. The TFS heads with a 1.880" exhaust valve and the 2.300" intake valve can be used on a .030" over stock block.
Forum: Engine Tech 08-19-2014, 01:13 AM
Replies: 14
Views: 545
Posted By c.evans
You can possibly get your 1000 Hp with ported and...

You can possibly get your 1000 Hp with ported and flowed P-51 heads. However, getting your 1200 Hp with them is going to be impossible. I'd say at least use the TFS A-460 18 bolt heads, and if the...
Forum: Engine Tech 08-14-2014, 12:53 AM
Replies: 6
Views: 329
Posted By c.evans
Any of the major piston manufacturers such as...

Any of the major piston manufacturers such as Ross, Diamond, C P, J E and others can make the pistons for you.
Forum: Engine Tech 08-14-2014, 12:50 AM
Replies: 5
Views: 377
Posted By c.evans
I haven't kept up to date, but here is a 572 that...

I haven't kept up to date, but here is a 572 that made 3040 Hp with twin turbos and the engine was built by Steve Morris for Steve Ashe.
...
Forum: Engine Tech 08-13-2014, 08:27 PM
Replies: 6
Views: 329
Posted By c.evans
Rocker arms for the Pro-Filer 205 heads are...

Rocker arms for the Pro-Filer 205 heads are available from W. W. Engineering, and from Jesel. If you want to see what the W. W. Engineering rocker arms look like, go to this link and study the...
Forum: Engine Tech 08-13-2014, 08:23 PM
Replies: 6
Views: 329
Posted By c.evans
The Pro-Filer 205 heads are also called C-460...

The Pro-Filer 205 heads are also called C-460 replacement heads. Neither head has side cant to the valves. The E-460 heads do have side cant. Therefore, I would not attempt to put Pro-Filer 205...
Forum: Engine Tech 08-10-2014, 08:33 PM
Replies: 75
Views: 2,860
Posted By c.evans
The op just needs to look on the bottom of the...

The op just needs to look on the bottom of the pin boss for any numbers. Then call BME and give them the numbers and ask the piston manufacturer what the pistons are for. Enough guessing, bottom...
Forum: Engine Tech 08-10-2014, 04:11 PM
Replies: 75
Views: 2,860
Posted By c.evans
Your pistons are for SCJ heads and P-51 heads...

Your pistons are for SCJ heads and P-51 heads like what Lem said. You are using stock cast iron heads. You have a compatabilty problem. Those pistons and your heads are not intended for each other....
Forum: Engine Tech 08-07-2014, 09:13 PM
Replies: 1
Views: 291
Posted By c.evans
I always seek at least .090" on the intakes, and...

I always seek at least .090" on the intakes, and .110" on the exhausts. Also, you need to be sure the engine is not going to suffer valve float.

Hope this helps,
Forum: Engine Tech 08-07-2014, 05:01 PM
Replies: 11
Views: 541
Posted By c.evans
X3, what Lem and Scott have said. Hope this...

X3, what Lem and Scott have said.

Hope this helps,
Forum: Engine Tech 08-06-2014, 09:16 PM
Replies: 86
Views: 3,272
Posted By c.evans
Bearing speed has not been mentioned, but I would...

Bearing speed has not been mentioned, but I would certainly not use the 2.500" Ford rod journal diameter. Offset destroke it or whatever, but cut the rod journals down to 2.200" Chevy size, then use...
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