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Search: Posts Made By: The Mad Porter
Forum: Engine Tech 08-30-2015, 09:21 PM
Replies: 13
Views: 285
Posted By The Mad Porter
Cool Me thinks you have a good point. :D S

Me thinks you have a good point. :D



S
Forum: Engine Tech 08-30-2015, 07:25 PM
Replies: 13
Views: 285
Posted By The Mad Porter
Cool Yes as I mentioned in my first post the 79...

Yes as I mentioned in my first post the 79 engines will be 7.6 to 7.8 to 1 depending on deck height and chamber volume. With the retarded timing set DCR is a miserable 6.8 to 1. With a straight up...
Forum: Engine Tech 08-30-2015, 06:24 PM
Replies: 13
Views: 285
Posted By The Mad Porter
Cool The great majority of the folks I build engines...

The great majority of the folks I build engines for and provide top end packages for are not building daily drivers so running on regular fuel... that point is moot.

Here the spread between reg...
Forum: Engine Tech 08-30-2015, 04:57 PM
Replies: 13
Views: 285
Posted By The Mad Porter
Cool Not true. An true 8.5 to 1 460 with budget...

Not true.

An true 8.5 to 1 460 with budget ported heads, 213 / 219 voodoo, straight up cam timing, tight quench, a performer intake and 750 carb with headers and good exhaust will make 380 hp,...
Forum: Engine Tech 08-30-2015, 02:37 PM
Replies: 13
Views: 285
Posted By The Mad Porter
Cool I have measured various unopened engines over the...

I have measured various unopened engines over the years.

Passenger car 460's have yielded 7.6 to 7.8 to 1 static c/r with .035"+ deckheights.

Many of the truck 460's have deck heights at about...
Forum: Engine Tech 08-29-2015, 08:03 PM
Replies: 18
Views: 605
Posted By The Mad Porter
Cool Which head you choose will depend on a couple of...

Which head you choose will depend on a couple of factors:

State of tune / HP output
Your current pistons relief location and size.
Vehicle and intended use.
Header flange std or cj?
Valve...
Forum: Engine Tech 08-26-2015, 01:05 PM
Replies: 9
Views: 545
Posted By The Mad Porter
Cool X2 !!! S

X2 !!!




S
Forum: Engine Tech 08-26-2015, 01:03 PM
Replies: 5
Views: 224
Posted By The Mad Porter
Cool As a side note... Do not run a billet upper...

As a side note...

Do not run a billet upper cam gear on the soft iron factory cam thrust plate. The excessive wear is significant. I had one combo come into the shop where the cam gear ate 75% of...
Forum: Engine Tech 08-24-2015, 09:02 PM
Replies: 5
Views: 207
Posted By The Mad Porter
Cool The H418 piston or the L2404F with their 1.752 CH...

The H418 piston or the L2404F with their 1.752 CH will be a good choice.

Which piston you choose will depend on state of tune.



S
Forum: Engine Tech 08-20-2015, 10:25 PM
Replies: 2
Views: 315
Posted By The Mad Porter
Cool Not if it is mandrel bent. Depending on the...

Not if it is mandrel bent.

Depending on the application and intended use smaller is sometimes better.




S
Forum: Engine Tech 08-20-2015, 01:28 PM
Replies: 34
Views: 1,898
Posted By The Mad Porter
Cool Since the cam gear rotated on the cam snout I...

Since the cam gear rotated on the cam snout I would check them both for inappropriate wear. Replace as necessary.

Cam nose can be dressed so it is not even or protruding past the face of the cam...
Forum: Engine Tech 08-20-2015, 12:39 PM
Replies: 34
Views: 1,898
Posted By The Mad Porter
Cool Dowels break because the clamp load on the cam...

Dowels break because the clamp load on the cam gear to cam is insufficient. Be it a HFT, SFT or SR cam.

Check to see that the nose of your cam doesn't extend beyond the cam gear preventing proper...
Forum: Engine Tech 08-20-2015, 11:46 AM
Replies: 27
Views: 1,552
Posted By The Mad Porter
Cool Dave is absolutely correct !!! :cool: ...

Dave is absolutely correct !!! :cool:


Given your testing parameters you might just as well throw that dyno sheet out of the window and start over.

Randy makes an excellent point as well. Be...
Forum: Engine Tech 08-17-2015, 08:07 PM
Replies: 3
Views: 371
Posted By The Mad Porter
Cool I agree with Randy. Back cutting the intake...

I agree with Randy.

Back cutting the intake valves and doing a good pocket port, then working the victor plenum and doing a D port runner exit match will offer some 50 to 60 hp and extend the...
Forum: Engine Tech 08-15-2015, 08:27 PM
Replies: 11
Views: 385
Posted By The Mad Porter
Cool 9b14 might be the casting date for the block. ...

9b14 might be the casting date for the block.



S
Forum: Engine Tech 08-15-2015, 04:21 PM
Replies: 4
Views: 175
Posted By The Mad Porter
Cool Deck clearance = deck height. Yes they are....

Deck clearance = deck height.

Yes they are. EFI engines have largish chambers.



S
Forum: Engine Tech 08-15-2015, 03:25 PM
Replies: 4
Views: 175
Posted By The Mad Porter
Cool Chamber is 95 to 97 cc's. Deck height is...

Chamber is 95 to 97 cc's.

Deck height is typically about .022"

Actual static c/r is about 8.5 to 1

The .180" deep dishes I've measured are 15 cc's
Forum: Engine Tech 08-15-2015, 03:21 PM
Replies: 11
Views: 385
Posted By The Mad Porter
Cool I believe that the 9 is the year. J (LA closed in...

I believe that the 9 is the year. J (LA closed in 80) is the plant where T birds were made as well as the wixom michigan plant.
The rest is the series in production.



S
Forum: Engine Tech 08-14-2015, 07:28 PM
Replies: 1
Views: 137
Posted By The Mad Porter
Cool 22 to 23 cc's. 1.760" compression height...

22 to 23 cc's.

1.760" compression height that typically sits .030" to .035" below deck.

Static compression ratio advertised for that year is 8 to 1. Reality is more like 7.7 to 1 give or take...
Forum: Engine Tech 08-13-2015, 01:24 PM
Replies: 31
Views: 1,679
Posted By The Mad Porter
Really Mik? :rolleyes: Cite examples to...

Really Mik? :rolleyes:

Cite examples to support each of your assertions. :D



S
Forum: Engine Tech 08-11-2015, 10:17 PM
Replies: 10
Views: 603
Posted By The Mad Porter
Cool RMCOMPRADNDY already answered your questions ...

RMCOMPRADNDY already answered your questions

Read the entire thread.




S
Forum: Engine Tech 08-11-2015, 03:05 PM
Replies: 7
Views: 491
Posted By The Mad Porter
Cool The FPA CJ flange will seal... S

The FPA CJ flange will seal...



S
Forum: The Auction Block 08-10-2015, 02:11 PM
Replies: 2
Views: 312
Posted By The Mad Porter
Cool Galaxie belongs to a client who would rather...

Galaxie belongs to a client who would rather castrate himself than sell the car. :o




S
Forum: Engine Tech 08-10-2015, 02:07 PM
Replies: 31
Views: 1,679
Posted By The Mad Porter
Cool When you have a bob weight near 2800 grams or...

When you have a bob weight near 2800 grams or more in a stock 429 / 460 with builder pistons compared to a stroker bob weight of 2350 ish grams. Then factor in the VERY similar weight of the cranks...
Forum: Engine Tech 08-10-2015, 01:56 PM
Replies: 288
Views: 50,655
Posted By The Mad Porter
Cool The AFR intake ports are on D0VE centers Not CJ. ...

The AFR intake ports are on D0VE centers Not CJ.

The flange bolt holes relative to the deck have been raised about .150" as well as the entire intake port. IMO this was done to give the airflow...
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