Homepage Garage Wiki Register Social Groups Calendar Search Today's Posts Mark Forums Read
#Camaro6
Go Back   CAMARO6 > Engine | Drivetrain | Powertrain Technical Discussions > Forced Induction Discussions


BeckyD @ James Martin Chevy


Post Reply
 
Thread Tools
Old 11-12-2020, 08:16 PM   #253
NickyRacerBoy

 
Drives: 1LE
Join Date: Sep 2017
Location: East Coast
Posts: 1,468
Quote:
Originally Posted by gtfoxy View Post
7,500 Redline?
AIM Solo Dl data logger showed peak rpm 7850 and peak mph 168!
NickyRacerBoy is offline   Reply With Quote
Old 11-20-2020, 05:22 PM   #254
Choda
 
Drives: Turbo 6.2
Join Date: Feb 2019
Location: Buffalo
Posts: 702
Small update. I bought LT1 heads from a member here and was waiting for black friday sales to order cam, lifters, gaskets, valves, oil pump...etc but a buddy of mine offered to sell me a Vengeance Racing lt4 VR1100 long block for less than half of what he paid last month for it from Rob Morse. From what I read, Rob and Vengeance Racing had the first 1000 wheel 6th gen with this motor. He parted his whole car out for a full race car build. Soooo I snagged it.

So now I have two LT4 motors. One a VR long block with a bunch of nice parts in it with stock lower end and the CSP Eric fresh rebuilt LT4 shortblock with lt1 heads. Part of me says leave the VR lt4 alone and install it as is. Other part of me says take the good parts from both engines and combine them. Use the fresh lt4 shortblock ( new main and rod bearings, new rings, arp main studs ) with the VR lt4 heads and valvetrain.

The cam in the VR is a .651/.656 229 237 116 with 1* over lap. This has a lot more lift than the cam motion I was looking at .630/.621 227 233 115 with 0* over lap. What do you guys think? Run it or buy the cam motion?

Either way, I'm sending the LT4 heads to katech to have the LT1 intake manifold holes machined into them.
Attached Images
   
__________________
2016 Turbo Camaro SS - 800hp/900tq 9.7@146
2018 LTZ Z71 Redline Silverado - 381hp/420tq 13.8@100

Last edited by Choda; 11-20-2020 at 06:14 PM.
Choda is offline   Reply With Quote
Old 11-25-2020, 09:35 AM   #255
Choda
 
Drives: Turbo 6.2
Join Date: Feb 2019
Location: Buffalo
Posts: 702
VR LT4 heads are on their way to Katech for cleaning and machining. I also ordered their "truck" oil pump for higher oil pressure. It's on back order but hoping to get it before 2021.

The VR1100 engine looks good. The pistons show zero detonation which is pretty impressive for making over 1k wheel. I'm pretty certain I am going to reuse this VR cam.
__________________
2016 Turbo Camaro SS - 800hp/900tq 9.7@146
2018 LTZ Z71 Redline Silverado - 381hp/420tq 13.8@100
Choda is offline   Reply With Quote
Old 11-25-2020, 06:57 PM   #256
Umbriel

 
Drives: 2016 Camaro SS
Join Date: Sep 2018
Location: Bartlett, TN
Posts: 1,121
Quote:
Originally Posted by Choda View Post
VR LT4 heads are on their way to Katech for cleaning and machining. I also ordered their "truck" oil pump for higher oil pressure. It's on back order but hoping to get it before 2021.

The VR1100 engine looks good. The pistons show zero detonation which is pretty impressive for making over 1k wheel. I'm pretty certain I am going to reuse this VR cam.
If you don't mind me asking how much were those heads? I'm still running stock ones and will probably need to upgrade when I want to turn boost up over 20 pounds.

Sent from my SM-N986U using Tapatalk
Umbriel is offline   Reply With Quote
Old 11-26-2020, 10:55 AM   #257
KingLT1


 
KingLT1's Avatar
 
Drives: 2016 1SS NFG A8
Join Date: Aug 2017
Location: 46804
Posts: 6,764
Good choice...I definitely suggest reworked heads with new seats, guides, and valves based on reports I have seen from guys like Brett and Ryan. Seems to be a fair amount of valve issues out there with boost on this platform...and even some NA with larger cams spinning higher rpm.
__________________
2016 NFG 1SS A8
Options-2SS Leather/NPP
Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP
Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA
KingLT1 is offline   Reply With Quote
Old 11-26-2020, 11:30 AM   #258
Umbriel

 
Drives: 2016 Camaro SS
Join Date: Sep 2018
Location: Bartlett, TN
Posts: 1,121
Quote:
Originally Posted by KingLT1 View Post
Good choice...I definitely suggest reworked heads with new seats, guides, and valves based on reports I have seen from guys like Brett and Ryan. Seems to be a fair amount of valve issues out there with boost on this platform...and even some NA with larger cams spinning higher rpm.
That is what is worrying me a little, which heads would you suggest I look in to for a twin turbo 416?

Sent from my SM-N986U using Tapatalk
Umbriel is offline   Reply With Quote
Old 11-27-2020, 09:55 PM   #259
Choda
 
Drives: Turbo 6.2
Join Date: Feb 2019
Location: Buffalo
Posts: 702
Quote:
Originally Posted by Umbriel View Post
If you don't mind me asking how much were those heads? I'm still running stock ones and will probably need to upgrade when I want to turn boost up over 20 pounds.

Sent from my SM-N986U using Tapatalk
They price for 4500 on vr website. They came on the vr1100 long block I bought.

Ordered some Black Friday goodies.
__________________
2016 Turbo Camaro SS - 800hp/900tq 9.7@146
2018 LTZ Z71 Redline Silverado - 381hp/420tq 13.8@100
Choda is offline   Reply With Quote
Old 11-28-2020, 06:51 AM   #260
Umbriel

 
Drives: 2016 Camaro SS
Join Date: Sep 2018
Location: Bartlett, TN
Posts: 1,121
Quote:
Originally Posted by Choda View Post
They price for 4500 on vr website. They came on the vr1100 long block I bought.



Ordered some Black Friday goodies.
Thanks for getting back to me with the price, not sure the wife would be happy with me spending $4500 more on this build. Lol

Sent from my SM-N986U using Tapatalk
Umbriel is offline   Reply With Quote
Old 11-28-2020, 08:59 AM   #261
KingLT1


 
KingLT1's Avatar
 
Drives: 2016 1SS NFG A8
Join Date: Aug 2017
Location: 46804
Posts: 6,764
Quote:
Originally Posted by Umbriel View Post
That is what is worrying me a little, which heads would you suggest I look in to for a twin turbo 416?

Sent from my SM-N986U using Tapatalk
Ported stock castings totally reworked by Pray Performance. Either way you go it's not going to be cheap. I suspect 4500.00+ even for stock castings completely revamped. The VR LT4 heads that Choda purchased should be solid too. The main thing is to have good valve seats, guides, and valves.
__________________
2016 NFG 1SS A8
Options-2SS Leather/NPP
Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP
Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA
KingLT1 is offline   Reply With Quote
Old 11-28-2020, 09:14 AM   #262
Umbriel

 
Drives: 2016 Camaro SS
Join Date: Sep 2018
Location: Bartlett, TN
Posts: 1,121
Quote:
Originally Posted by KingLT1 View Post
Ported stock castings totally reworked by Pray Performance. Either way you go it's not going to be cheap. I suspect 4500.00+ even for stock castings completely revamped. The VR LT4 heads that Choda purchased should be solid too. The main thing is to have good valve seats, guides, and valves.
Damn that sucks, I can't spend that right now so I hope these stock ones hold up for a little while.

Sent from my SM-N986U using Tapatalk
Umbriel is offline   Reply With Quote
Old 12-01-2020, 08:25 AM   #263
Choda
 
Drives: Turbo 6.2
Join Date: Feb 2019
Location: Buffalo
Posts: 702
The thing I'm finding with LT heads are that when you get into working the factory castings with port, valves, guides, springs... it costs the same as an aftermarket head like CID or PRC. These VR1100 LT4 heads price at 4500 bucks. You could get an aftermarket head for a couple bucks more.
__________________
2016 Turbo Camaro SS - 800hp/900tq 9.7@146
2018 LTZ Z71 Redline Silverado - 381hp/420tq 13.8@100

Last edited by Choda; 12-03-2020 at 09:36 AM.
Choda is offline   Reply With Quote
Old 12-01-2020, 08:42 AM   #264
KingLT1


 
KingLT1's Avatar
 
Drives: 2016 1SS NFG A8
Join Date: Aug 2017
Location: 46804
Posts: 6,764
Yep I agree and noticed the same thing.
__________________
2016 NFG 1SS A8
Options-2SS Leather/NPP
Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP
Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA
KingLT1 is offline   Reply With Quote
Old 12-01-2020, 09:29 AM   #265
Joshinator99


 
Joshinator99's Avatar
 
Drives: 2017 Camaro 2SS A8
Join Date: Aug 2018
Location: Petersham MA
Posts: 4,701
Quote:
Originally Posted by Choda View Post
The thing I'm finding with LT heads are that when you get into working the factory castings with port, valves, guides, springs... it costs the same as an aftermarket head like CID or PRC. These VR100 LT4 heads price at 4500 bucks. You could get an aftermarket head for a couple bucks more.
I'm definitely less than $4500 all in for my Mast Black Label LT heads. Not a lot cheaper, of course. But I liked that the aftermarket heads do a thicker deck too, not to mention great flow rates.
__________________
2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors, LPE BB HPFP, 15” conversion 1059 WHP/944 WTQ, 9.48@150
Joshinator99 is offline   Reply With Quote
Old 12-01-2020, 09:55 AM   #266
gtfoxy
Account Suspended
 
Drives: '21 Wild Cherry ZL1
Join Date: Aug 2018
Location: WI
Posts: 2,082
Quote:
Originally Posted by Joshinator99 View Post
I'm definitely less than $4500 all in for my Mast Black Label LT heads. Not a lot cheaper, of course. But I liked that the aftermarket heads do a thicker deck too, not to mention great flow rates.
Deck thickness is a very good point of consideration with aftermarket vs factory castings.

Cross sectional comparisons can be quite illuminating.
gtfoxy is offline   Reply With Quote
 
Post Reply

Thread Tools

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 -5. The time now is 01:47 AM.


Powered by vBulletin® Version 3.8.9 Beta 4
Copyright ©2000 - 2024, vBulletin Solutions, Inc.