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Author Topic: Bugpack flanged crank..any good for high horsepower?  (Read 15005 times)
JIMP
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Posts: 337


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« on: March 03, 2011, 10:23:51 am »

Hello all

we're setting our race car on a new case and crank (probably wbx case or aftermarket alu) and was thinking about the crank, will a bugpack flanged crank be good for our race engine? it will be in the region of 78-82mm on chevy journals, power in the region of 500Hp for drag racing, can you rely on this crank for this application? we do max 20-25 passes per season, and then we check it again

Also this 6pin and 6bolt design of the bugpack is smaller in diameter than the newer 8bolt of scat's? as it will be easier if we go with the wbx case, thanks for your time

Friendly

Dimitrios
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still-water
Newbie
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Posts: 6


« Reply #1 on: March 03, 2011, 12:30:04 pm »

Hi,

I think the Bugpack cranks are very good quality for the money (always been pleased with my Bugpack cranks using them since the 90') and at least there is some control on their cranks they're selling.
One question for you Dimitri; I noticed you're trying to sell 2 SCAT flanged -cranks since a while...did you got bad experience in one or the other way you want to share with us ? Maybe there's a reason you are changing to another brand of crank?

Good luck with your project  Wink
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JIMP
Sr. Member
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Posts: 337


WWW
« Reply #2 on: March 03, 2011, 13:46:43 pm »

Hello

no please it's a missunderstanding, I sell those cranks because don't have what to do with them, I have already one in my street engine, I just need for the race engine a smaller one 78-82mm because I want the case to be as intact as possible without removing material from it, also I'm afraid of the "little coverage" between the main and rod journals, especialy on a big 86mm with a chevvy rod. Also I have the impression that bugpacks are at least "fair" for their price as you mentioned, and this is why I'm asking, if anyone has personal experiences of those ones, cheers

Friendly

Dimitrios
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Dominick Luppino
Sr. Member
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Posts: 323


« Reply #3 on: March 03, 2011, 16:08:23 pm »

I use the BUGPACK Flange Crank in my car, Turbo & Nitrous making over 500hp, I know The Red Baron used one also.
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ugly duckling
Hero Member
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Posts: 648



« Reply #4 on: March 03, 2011, 17:35:36 pm »

I wouldent hesitate is the least to using one. For the money its an excellent part.  .UD.
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dragvw2180
Sr. Member
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Posts: 304



« Reply #5 on: March 04, 2011, 01:31:04 am »

 I have used two Bugpack flanged cranks and both worked well with no problems, would use them again. Another good crank is made by REVMASTER, that is what I am using now with BMW center main,     Mike
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JIMP
Sr. Member
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Posts: 337


WWW
« Reply #6 on: March 04, 2011, 09:22:27 am »

Well

thanks a lot for your inputs, it's exactly what I thought of initialy about those cranks, do we have posibility for all T4 mains on those or they come with T4 center main only? I'm trying to access the bugpack site and won't go through, cheers

Friendly

Dimitrios
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Rick Sadler
Full Member
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Posts: 233



« Reply #7 on: March 04, 2011, 17:36:02 pm »

The BUGPACK Site has been hacked numerous times and is in the rebuild process. All current (past 10 years) flanged cranks have all type-IV main journals and chevy rod journals.
« Last Edit: March 04, 2011, 17:37:39 pm by Rick Sadler » Logged

Der Kleiner Panzers
dangerous
Sr. Member
****
Posts: 270


« Reply #8 on: March 05, 2011, 22:42:45 pm »

Thanks for the information Rick.
Does Bugpack have main bearings for these cranks,(all type 4 mains),
and flywheels.
...and do they have a distributer with online ordering?
Thanks.
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Rick Sadler
Full Member
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Posts: 233



« Reply #9 on: March 06, 2011, 18:38:47 pm »

The only bearings we carry are the conversion (BMW) bearings that allow the use of a standard type-I align bore case. T use these bearing on the number 1, 2 , and 3 mains you will need to to do the center thrust set-up like Jack at Jay Cee Ent does 714-444-4344 (www.jaycee-ent.com). As for dealers on line Vee Dub Parts Unlimited 714-848-8868 (www.vwparts.net) can assist you or you can call BUGPACK at 714-979-4990 for a dealer near you.
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Der Kleiner Panzers
JIMP
Sr. Member
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Posts: 337


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« Reply #10 on: March 06, 2011, 18:49:14 pm »

Hello Rick

thanks for the info, we will be using a wbx case the later one with the tangs on the bearings instead of dowel pins and the seperate thrust bearing at the flange side, we need also the center main modiification or we can retain the existing thrust surface of the flange bearing? In this case at what size has the case to be linobored -T4 std or other? thanks in advance

Friendly

Dimitrios
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Udo
Hero Member
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Posts: 2077



« Reply #11 on: March 06, 2011, 19:13:53 pm »

Remember that the wbx case has a 1 mm smaller thrust bearing . so you must weld the case or use the center thrust conversion.
My crank 84mm works fine so far :-)

Udo
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daniel1366
Newbie
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Posts: 8


« Reply #12 on: January 12, 2012, 19:06:10 pm »

Hi to all. Quick question, dose Bugpack still makes 78mm flange cranks? Thank you.
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Udo
Hero Member
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Posts: 2077



« Reply #13 on: January 12, 2012, 20:54:23 pm »

The only bearings we carry are the conversion (BMW) bearings that allow the use of a standard type-I align bore case. T use these bearing on the number 1, 2 , and 3 mains you will need to to do the center thrust set-up like Jack at Jay Cee Ent does 714-444-4344 (www.jaycee-ent.com). As for dealers on line Vee Dub Parts Unlimited 714-848-8868 (www.vwparts.net) can assist you or you can call BUGPACK at 714-979-4990 for a dealer near you.

I think i found a good solution . Modified original bmw bearing. I try it out this year on my engine first

Udo
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Rick Sadler
Full Member
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Posts: 233



« Reply #14 on: January 13, 2012, 00:28:14 am »

Hi to all. Quick question, dose Bugpack still makes 78mm flange cranks? Thank you.

I don't think we ever had 78mm in a flanged version. As for now, we do not.
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Der Kleiner Panzers
daniel1366
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Posts: 8


« Reply #15 on: January 13, 2012, 01:59:31 am »

thanks Rick.
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Peter
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Posts: 1301



« Reply #16 on: January 13, 2012, 21:30:33 pm »

hello Udo,
did you have to cut the case for the thrust plates?
Did you make these yourself?
great work! and cool that somebody in europe can do it Smiley

cheers, Peter
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Shag55
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Posts: 220

Shag Leone, SL-1racing


« Reply #17 on: January 13, 2012, 21:41:46 pm »

I'm making jigs to use a bearing bronze thrust washers in the rear as factory. The bearings will be the correct OD and ID for the flange crank With plenty of chamfer and oil dimples. They will fit in either type 1 or 4 journals and for the 4" seal. Only as my jig will be made for this. I'm getting close, but sorry not in Europe. Machining will be done through Brothers VW.
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daniel1366
Newbie
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Posts: 8


« Reply #18 on: January 15, 2012, 02:58:47 am »



Is this an old ad? a 78mm flange crank is listed.









 


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FLANGED CRANK & FLYWHEEL
 

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Totally forged (Both Crank & Flywheel) and totally bulletproof! Flanged configuration delivers maximum contact area…while the 6 bolt, 6 pin design eliminates flywheel loss. Available in all popular combinations and options offering you everything you need for your ultimate high horsepower engine. In stock for immediate delivery!
 
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daniel1366
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Posts: 8


« Reply #19 on: January 15, 2012, 03:01:24 am »

http://bugpack.com/index.php?main_page=product_info&cPath=2&products_id=5
this is better.
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Udo
Hero Member
*****
Posts: 2077



« Reply #20 on: January 15, 2012, 09:02:01 am »

hello Udo,
did you have to cut the case for the thrust plates?
Did you make these yourself?
great work! and cool that somebody in europe can do it Smiley

cheers, Peter

No machining for the bearings. only for the seal .
Yes , i do it at my shop.
Udo
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Rick Sadler
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Posts: 233



« Reply #21 on: January 16, 2012, 00:58:34 am »

http://bugpack.com/index.php?main_page=product_info&cPath=2&products_id=5
this is better.
[/
Hi to all. Quick question, dose Bugpack still makes 78mm flange cranks? Thank you.
I don't think we ever had 78mm in a flanged version. As for now, we do not.
Hi to all. Quick question, dose Bugpack still makes 78mm flange cranks? Thank you.

I don't think we ever had 78mm in a flanged version. As for now, we do not.

We were hoping to add these to the line last year but we did not. I will make sure our website is updated. Sorry for any confusion.
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Der Kleiner Panzers
TexasTom
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Posts: 1518


12.58@106, 7.89@89 Texas Motorplex 10/18/09


« Reply #22 on: January 16, 2012, 01:04:12 am »

hello Udo,
did you have to cut the case for the thrust plates?
Did you make these yourself?
great work! and cool that somebody in europe can do it Smiley

cheers, Peter

No machining for the bearings. only for the seal .
Yes , i do it at my shop.
Udo

Looks intriguing Udo!

Care to educate? What process is used to cut the thrust bearing?

TxT
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Work, work, WORK!

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Udo
Hero Member
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Posts: 2077



« Reply #23 on: January 16, 2012, 13:02:43 pm »

I eroded it , i think it is the only way to do it

Udo
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