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-   -   Great Asp's Superformance - FE Build (http://www.clubcobra.com/forums/superformance/90431-great-asps-superformance-fe-build.html)

Great Asp 08-26-2008 01:02 PM
Quote:
Originally Posted by Stentor (Post 873803)
Not sure you're going to want a 3.73 rearend with that engine and the TKO 600 (unless you are going to be pulling stumps;)).

You might want to try the 3.46 gear first.
I am going to try it first, I just wonder how it is going to hook-up :p

Signed
Stumpy :LOL:

dlang14 08-26-2008 03:40 PM
It may have changed by now, but I know when they first started using the BTR center gear sets were hard to find, and only available in a handful of ratios. I know there was talk at one point about it being essentially the same unit as a Pontiac GTO so their gear sets might fit? I never heard one way or the other if that was correct or not.

I find I'm happy with the 3.46 and the TKO600 and .82 OD. First gear is up in smoke before you say boo on my Roush427R motor, your FE should be more than enough for your tires :)

I do wish I had a little more OD as I find I cruise 65-70MPH at 2800 or so. using 295/50-15s by the way. Most of the calculators say I should be turning fewer RPMs but I've checked the speed with GPS and a chase car and it all seems to check out.

Daryl

Great Asp 08-26-2008 05:56 PM
Quote:
Originally Posted by dlang14 (Post 873891)
It may have changed by now, but I know when they first started using the BTR center gear sets were hard to find, and only available in a handful of ratios. I know there was talk at one point about it being essentially the same unit as a Pontiac GTO so their gear sets might fit? I never heard one way or the other if that was correct or not.

I find I'm happy with the 3.46 and the TKO600 and .82 OD. First gear is up in smoke before you say boo on my Roush427R motor, your FE should be more than enough for your tires :)

I do wish I had a little more OD as I find I cruise 65-70MPH at 2800 or so. using 295/50-15s by the way. Most of the calculators say I should be turning fewer RPMs but I've checked the speed with GPS and a chase car and it all seems to check out.

Daryl
Your crusing rpms seem spot on for your arrangement. I will have the same, but I would rather have like 2200 rpms for the highway at 70 mph

Really, If they would have had the 3:73 for the rear, I would have ordered the .64 5th. Go to the Second Strike Calculator and play around with the rear gears and the 5th speed and you will see what I mean. With 3:73's, and a .64 5th you get a nice cruising speed/rpm ratio.

http://www.secondstrike.com/Technical/GearCalc.asp

Thanks for posting!

E

Great Asp 08-26-2008 06:00 PM
Pics!!!!!
 
Keith sent me over some pics of the block in process today!:3DSMILE:
http://i158.photobucket.com/albums/t...8100_0677a.jpg

http://i158.photobucket.com/albums/t...8100_0676a.jpg

Beauty huh?:cool:

I have sidepipe pics coming.

I would have engine mount pics from Craig if he would send them....hint hint

E

Chaplin 08-26-2008 06:39 PM
Quote:
Originally Posted by Great Asp (Post 873940)
Your crusing rpms seem spot on for your arrangement. I will have the same, but I would rather have like 2200 rpms for the highway at 70 mph

Really, If they would have had the 3:73 for the rear, I would have ordered the .64 5th. Go to the Second Strike Calculator and play around with the rear gears and the 5th speed and you will see what I mean. With 3:73's, and a .64 5th you get a nice cruising speed/rpm ratio.

http://www.secondstrike.com/Technical/GearCalc.asp

Thanks for posting!

E
Try 3.31 with the .82 5th- about perfect:)

Stentor 08-26-2008 08:09 PM
Quote:
Originally Posted by Great Asp (Post 873854)
I am going to try it first, I just wonder how it is going to hook-up :p

Signed
Stumpy :LOL:
You will probably want to upgrade to/invest in a good set of tires (e.g., Avons, Goodyear Billboards, drag radials). This will help dramatically in harnessing and utilizing the power from your beast.:cool:

Stentor 08-26-2008 08:13 PM
Quote:
Originally Posted by Chaplin (Post 873956)
Try 3.31 with the .82 5th- about perfect:)
Agree--I second that.

dlang14 08-26-2008 11:39 PM
Quote:
Originally Posted by Great Asp (Post 873940)
Your crusing rpms seem spot on for your arrangement. I will have the same, but I would rather have like 2200 rpms for the highway at 70 mph

Really, If they would have had the 3:73 for the rear, I would have ordered the .64 5th. Go to the Second Strike Calculator and play around with the rear gears and the 5th speed and you will see what I mean. With 3:73's, and a .64 5th you get a nice cruising speed/rpm ratio.

http://www.secondstrike.com/Technical/GearCalc.asp

Thanks for posting!

E
Second Strike calculator says 3000 rpms would be 81MPH. I'm lucky if its 75. Not sure why the delta but it definetely isnt right. Actually just now playing with the calculator the numbers look a whole lot closer if I plug in 3.73 or 3.77. Neither makes sense as I've got build 2293 which should be the BTR center with 3.46.....Now I'm curious. When I get some free time (never right now with 5 month old twins) I'll jack it up and try to figure out what the deal is :)

Great Asp 08-27-2008 04:54 AM
Quote:
Originally Posted by Stentor (Post 873986)
You will probably want to upgrade to/invest in a good set of tires (e.g., Avons, Goodyear Billboards, drag radials). This will help dramatically in harnessing and utilizing the power from your beast.:cool:
Yup, I bought the czrr Avon's from Krause racing, they are waiting for my roller at a secret location in Texas. (It's secret so none of "use-guys" try to steal my tyres!) :LOL:

E

Stentor 08-27-2008 06:57 AM
Quote:
Originally Posted by Great Asp (Post 874036)
Yup, I bought the czrr Avon's from Krause racing, they are waiting for my roller at a secret location in Texas. (It's secret so none of "use-guys" try to steal my tyres!) :LOL:

E
Good call! I've got a set on my car and love them.

I don't think you will be disappointed.

RonNichols 08-27-2008 10:11 AM
I remember you from the SCOF days, and your unorthodox deer hunting methods. It will be good to have you back. There's been additions to SCOF that you will find interesting and entertaining, if you can stand it. Some people have been violently repulsed, in which they have never been seen or heard from again. Only to find out later that they cowered in fear in a fetal position under some bridge overpass.:LOL:

Good luck on your new car.

Ronnie/spf398

Great Asp 08-28-2008 06:47 PM
Quote:
Originally Posted by RonNichols (Post 874109)
I remember you from the SCOF days, and your unorthodox deer hunting methods. It will be good to have you back. There's been additions to SCOF that you will find interesting and entertaining, if you can stand it. Some people have been violently repulsed, in which they have never been seen or heard from again. Only to find out later that they cowered in fear in a fetal position under some bridge overpass.:LOL:

Good luck on your new car.

Ronnie/spf398
Deer hunting again huh? You've been hanging out with Bill Wells too much Ron! :LOL:

Should have new pics this weekend!

Great Asp 09-02-2008 06:24 PM
More stuff
 
Poly motor mounts purchased and shipped to KCR Plano, purchased from Motorcity Customs http://home.comcast.net/~mcwebs/parts/mount.htm
http://i158.photobucket.com/albums/t..._alum_peda.jpg
http://i158.photobucket.com/albums/t...lum_ped_-1.jpg

Side pipes finished and shipped to KCR, purchased from Firefly Performance http://www.fireflyperformance.com/
http://i158.photobucket.com/albums/t...pesupports.jpg
http://i158.photobucket.com/albums/t...depipesend.jpg
http://i158.photobucket.com/albums/t...sotherside.jpg
http://i158.photobucket.com/albums/t...epipesside.jpg

They look fantastic!!!

BTW, please do not post stuff negitive about side pipes. If you have questions about side pipes just PM me and I will try to answer. My selection of side pipes is in no way a dig on anyone else's side pipes or any other manufacturer of side pipes.

I should have more motor pics soon! :MECOOL:

E

Nantucket427 09-04-2008 02:13 PM
I am wondering about the rear end.....
 
I use the poly mounts and changed out the stock side pipes too.
In our quest for more performance and as we improve traction.:3DSMILE:

My question is how much H.P. can you put thur the 8.8 and before the shafts go away?

Great Asp 09-04-2008 05:02 PM
Quote:
Originally Posted by Nantucket427 (Post 876398)
I use the poly mounts and changed out the stock side pipes too.
In our quest for more performance and as we improve traction.:3DSMILE:

My question is how much H.P. can you put thur the 8.8 and before the shafts go away?
The SPF's all come with the BTR dana rear now, so I can not answer your question. The gearing selection is small for the BTR, I think the only other ratio available is a 3:91. I am questioning the .82 5th because I will be turing 2800 rpms at 70 mph (the nomial Missouri hwy speed limit). That seems high to me. :o

E

Nantucket427 09-05-2008 09:29 AM
8.8 Independent
 
Your are right I am one of the older SPF #1325 with the Thunderbird independent and the 8.8 center section. Some where on this site there was a dicussion about beefing up that rearend. Maybe the newer BTR are stronger.

That motor of yours will produce some serious HP and the better it hooks up the more stress the drivetrain is put under.

Great Asp 09-17-2008 06:32 PM
progress!
 
As promised, more pic’s from the 496 FE build.

A trip to Keith Craft’s place in Hollywood AR on Tuesday found my motor ready for assembly. Tony Loy rolled me around the shop going from inventory, to the heads department, to the block staging to the crank shaft, pistons and connecting rods.

Block, ready!
http://i158.photobucket.com/albums/t...ocka091708.jpg
Goodies, ready!
http://i158.photobucket.com/albums/t...iesa091708.jpg
Valve covers, ready!
http://i158.photobucket.com/albums/t...ersa091708.jpg
We un-crated the crank while there
http://i158.photobucket.com/albums/t...anka091708.jpg
Crank moved on to be balanced
http://i158.photobucket.com/albums/t...ncea091708.jpg
Diamond pistons
http://i158.photobucket.com/albums/t...onsa091708.jpg
Scat H beam rods
http://i158.photobucket.com/albums/t...odsa091708.jpg
Stage 2 heads
http://i158.photobucket.com/albums/t...ds2a091708.jpg
http://i158.photobucket.com/albums/t...ds1a091708.jpg
Now waiting for the Dynatek Classic Injection to be polished, and then final assembly and DYNO BABY!!!

rokndad 09-17-2008 07:16 PM
Eric,

Do you have specs on your Comp Cam that Keith is installing? I want to compare with mine for potential use with the Dynatek. Can't wait to see the pix.

Tom

Great Asp 09-17-2008 07:45 PM
rokndad,

Good question.

I'll ask Keith and see what he has up his sleeves.:o

E

RodKnock 09-18-2008 10:31 AM
Quote:
Originally Posted by rokndad (Post 880891)
Eric,

Do you have specs on your Comp Cam that Keith is installing? I want to compare with mine for potential use with the Dynatek. Can't wait to see the pix.

Tom
Ditto here. Once I get a few miles on my car, I would like to upgrade to FI. Just not sure which is better TWM or Dynatek, though the Dynatek looks closer to Webers, which I like.

Tom, I'm sure the that your cam will work.


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