ZR-1 Net Registry Forums  

Go Back   ZR-1 Net Registry Forums > C4 ZR-1 > C4 ZR-1 Technical Postings

Reply
 
Thread Tools Display Modes
Old 01-14-2018   #1
tpepmeie
 
Join Date: Aug 2005
Location: Fishers, IN
Posts: 809
Default 2018 New product development ideas

Happy new year from Pepmeier Engine Development.

Over the years, we've developed several unique aftermarket performance parts specifically for the LT5. From billet cams, heavy duty cam chains, main bearing and perimeter studs and so on. Our parts are aimed at the very highest performance extreme LT5 applications. We've supplied Bonneville racers and European hillclimb competitors, and several racers in between.

I'd like to hear from this community what are your ideas for the next extreme performance components for the LT5? I've got the following items in early-to-mid stage design, waiting interest to finish. But I'd like to know what's next?
  • Fully standalone motorsport ECU - semi-plug n play. Alternative to MSIII. This would have to be a group effort, as the up front cost is not insignificant. I've got a prototype on the test stand right now, but not plug n play.
  • custom oversize cylinder liners -- ductile iron 4.125 bore
  • replacement aluminum cylinder liners, Nikasil coated 4.000 bore max
  • studs - camshaft cover to cylinder heads

From my perspective, an affordable fabricated intake manifold solution would be desirable. The OE setup can be ported to flow well, however, it is tuned to 6000 rpm, and has a rather convoluted flow path. Any 3d printing experts out there?

The OE throttle body is a restriction at 700 bhp. I've considered fabricating an alternative big oval configuration.

crankcase breathing on the LT5 is pretty ineffective at 7000 rpm. I'd love to develop an affordable dry sump OR vacuum pump working off the stock serpentine drive system.

I'll leave the OE replacement market to Jerry and Marc. There are a lot of hard to find parts, and those guys are doing great keeping it alive.

What else would you guys like to see?
__________________
Todd

____________________________________
*** our email address has changed!
info@pepmeierengines.com

pepmeierengines.com

Friend us on Facebook too: www.facebook.com/profile.php?id=100011443683384
Pepmeier Engine Development

Last edited by tpepmeie; 01-17-2018 at 09:16 PM.
tpepmeie is offline   Reply With Quote
Old 01-14-2018   #2
LGAFF
 
LGAFF's Avatar
 
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,194
Default Re: 2018 New product development ideas

Todd I have a coworker and his son just graduated from MIT with a focus on 3D printing, he works for his professor who apparently was one of the founders of 3D printing, might be an option
__________________
LGAFF
90 #966-150K miles-sold
92 #234-sold
1987 Callaway TT #17
1991 ZR-1 #1359
LGAFF is offline   Reply With Quote
Old 01-14-2018   #3
Jagdpanzer
 
Jagdpanzer's Avatar
 
Join Date: Apr 2007
Location: Northern VA
Posts: 2,653
Default Re: 2018 New product development ideas

I also would like to see an improved intake system developed. Though impressive looking the stock plenum and injector housings ,even when fully ported, limit the LT5’s full potential.


Sent from my iPhone using ZR-1 Net Registry
__________________
Phil Wasinger
1994 Torch Red ZR-1
WAZOO Member
George Braml Intake
Jagdpanzer is offline   Reply With Quote
Old 01-14-2018   #4
Top Toy
 
Top Toy's Avatar
 
Join Date: Jul 2012
Location: Allentown, PA
Posts: 309
Default Re: 2018 New product development ideas

A low boost Eaton supercharger, similar to the LS upgrades, would be real nice!
__________________
'95 ZR-1, aqua/gray, #167
368 LPE/Haibeck, Web cams, Stainless Works headers, B&B Fusion exhaust, 18" Fikse wheels, Alcon brakes, lowered. 491 SAE RWHP.
Top Toy is offline   Reply With Quote
Old 01-14-2018   #5
tpepmeie
 
Join Date: Aug 2005
Location: Fishers, IN
Posts: 809
Default Re: 2018 New product development ideas

No blowers for me. But kudos for anyone who tries. "NA all the way"
__________________
Todd

____________________________________
*** our email address has changed!
info@pepmeierengines.com

pepmeierengines.com

Friend us on Facebook too: www.facebook.com/profile.php?id=100011443683384
Pepmeier Engine Development
tpepmeie is offline   Reply With Quote
Old 01-14-2018   #6
Starman
 
Starman's Avatar
 
Join Date: Sep 2008
Location: Speedway, IN
Posts: 126
Default Re: 2018 New product development ideas

Eaton supercharger solution


Sent from my iPhone using ZR-1 Net Registry
Starman is offline   Reply With Quote
Old 01-17-2018   #7
tpepmeie
 
Join Date: Aug 2005
Location: Fishers, IN
Posts: 809
Default Re: 2018 New product development ideas

I'm considering a bigger oversize iron liner, but will only do it with an Open deck configuration. Essentially grow the normal LT5 iron replacement liner enough to support a 4.125 finished bore. Block machining still required, of course, and it gets mighty thin at the bottom of the block at that point, but doable.

The target market for these kind of parts is miniscule to say the least....
__________________
Todd

____________________________________
*** our email address has changed!
info@pepmeierengines.com

pepmeierengines.com

Friend us on Facebook too: www.facebook.com/profile.php?id=100011443683384
Pepmeier Engine Development
tpepmeie is offline   Reply With Quote
Old 01-17-2018   #8
Blackbelt
 
Join Date: Feb 2017
Location: Menifee
Posts: 50
Default Re: 2018 New product development ideas

Quote:
Originally Posted by tpepmeie View Post
Happy new year from Pepmeier Engine Development.

Over the years, we've developed several unique aftermarket performance parts specifically for the LT5. From billet cams, heavy duty cam chains, main bearing and perimeter studs and so on. Our parts are aimed at the very highest performance extreme LT5 applications. We've supplied Bonneville racers and European hillclimb competitors, and several racers in between.

I'd like to hear from this community what are your ideas for the next extreme performance components for the LT5? I've got the following items in early-to-mid stage design, waiting interest to finish. But I'd like to know what's next?
  • Fully standalone motorsport ECU - semi-plug n play. Alternative to MSIII. This would have to be a group effort, as the up front cost is not insignificant. I've got a prototype on the test stand right now, but not plug n play.
  • custom oversize cylinder liners -- ductile iron 4.125 bore
  • replacement aluminum cylinder liners, Nikasil coated 4.000 bore max
  • studs - camshaft cover to cylinder heads

From my perspective, an affordable fabricated intake manifold solution would be desirable. The OE setup can be ported to flow well, however, it is tuned to 6000 rpm, and has a rather convoluted flow path. Any 3d printing experts out there?

The OE throttle body is a restriction at 700 bhp. I've considered fabricating an alternative big oval configuration.

crankcase breathing on the LT5 is pretty ineffective at 7000 rpm. I'd love to develop an affordable dry sump OR vacuum pump working off the stock serpentine drive system.

I'll leave the OE replacement market to Jerry and Marc. There are a lot of hard to find parts, and those guys are doing great keeping it alive.

What else would you guys like to see?
Love the idea of the nikasil liners, intake manifold and dry sump or vacuum pump.

ECU is really interesting as well!
Blackbelt is offline   Reply With Quote
Old 01-22-2018   #9
Billy Mild
 
Join Date: Aug 2014
Location: Kansas City, MO
Posts: 838
Default Re: 2018 New product development ideas

Supercharger that would replace the intake manifold would be awesome.
__________________
Looking for a ZR-1
1985 Yamaha RZ350-NOT STOCK
1971 Yamaha AT1-Middle of a restoration
Billy Mild is offline   Reply With Quote
Old 01-22-2018   #10
XfireZ51
 
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,696
Default Re: 2018 New product development ideas

Quote:
Originally Posted by tpepmeie View Post
No blowers for me. But kudos for anyone who tries. "NA all the way"
__________________
[SIGPIC][/SIGPIC]Former Membership Chairman
Former ZR-1 Registry - BOD
1972 Corvette 4speed base Coupe SOLD long time ago
1984 Corvette Z-51/4+3 SOLD
1992 Corvette ZR-1 Aqua/Gray #474 SOLD
1992 Corvette ZR-1 Black Rose/Cognac #458
2014 Honda VFR Interceptor DX
XfireZ51 is offline   Reply With Quote
Reply


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 07:52 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright ZR-1 Net Registry 2020