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Old 10-15-2020, 07:17 PM   #225
gtfoxy
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Drives: '21 Wild Cherry ZL1
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Quote:
Originally Posted by floridanick View Post
I am part of the club also of broken stock exhaust valve on stg2 ported head. I should have upgraded but didnt think 600hp n/a was gonna kill a 1K hp rated engine..

Just ordered a new block, Mahle power pack pistons, callies crank, and will looking into rods
That’ll buff out no prob.
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Old 10-19-2020, 08:40 AM   #226
Choda
 
Drives: Turbo 6.2
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I have an xls

lme 377 short block 1100rwhp 7600
lt1 heads 2200
Cam kit 1300
LME Long Block = $11,100

tsp 376 short block 6500
lt1 heads 2200
cam kit 1300
TSP 376 Long Block = $10,000

tsp 416 short block 6700
lt1 heads 2200
cam kit 1300
TSP 376 Long Block = $10,200

tsp 376 sleeved short block 7500
lt1 heads 2200
cam kit 1300
TSP 376 Sleeved Long Block = $11,000

Used Factory LT1 - ~3500
crank, rods, pistons drop ins 2100
cam kit 1300
LT1 drop ins = ~$6,900

Used lt4 short block - ~4500
lt4 heads - 2700
cam kit - 1300
Factory LT4 = $8,500

Thompson premium 416 1100hp = 8300
lt1 heads 2200
TMS 416 long block = $10,000 12 month warranty

Thompson drop in LT1 800hp short block $6400
lt1 heads 2200
TMS drop in lt1 long block = $8,600 12 month warranty

Thompson forged 5.3 900hp - $7,300
lt1 heads 2200
TMS 5.3 long block = $9,500 12 month warranty


Wrench in the plans wannabe Parrish 5.3
used truck 5.3 ~2000
TSP 5.3 forged rotating assembly 2800
reuse my springs, pushrods and arp hardware
cam kit 1300
wannabe 5.3 =~$7,400
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2016 Turbo Camaro SS - 800hp/900tq 9.7@146
2018 LTZ Z71 Redline Silverado - 381hp/420tq 13.8@100
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Old 10-19-2020, 11:48 AM   #227
ZO6Ted
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On the Thompson LT1 short block build. Do you have to change the valves and seats to use LT1 heads on a 5.3 or is that a mistype?
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Old 10-19-2020, 01:01 PM   #228
parish8

 
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How about a 5.3, file the rings and a dod delete/cam kit. $3k
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dropped a valve in the 6.2. now running a drop in rods and piston 5.3
best et 5.83@121 with the 5.3 http://www.camaro6.com/forums/showthread.php?t=465472
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Old 10-19-2020, 01:30 PM   #229
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Exactly
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2022 Lt1 6.2 A10, Maggie 2300, THPSI Port Inj/10 rib, Rotofab, E, Nickey, SCOL, Griptech, RC Bandits, Hoosiers/MT 9.80@142.96 1.44 60ft, 6.34@112 707/669 RWHP/TRQ. 16SS Maggie 2650 9.41@147 1.35 60ft, 5.99@119. 16 C7 A8 10.90@128 Bolt on stuff
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Old 10-19-2020, 02:48 PM   #230
Choda
 
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Quote:
Originally Posted by ZO6Ted View Post
On the Thompson LT1 short block build. Do you have to change the valves and seats to use LT1 heads on a 5.3 or is that a mistype?
typo. 5.3 has 5.3 heads.

Quote:
Originally Posted by parish8 View Post
How about a 5.3, file the rings and a dod delete/cam kit. $3k
I was tempted. Very tempted. You have some expensive parts going in that 5.3. You have already proven you can swap a 5.3 into a camaro and go fast. The overhead of the 6.2 is the difference. Your drop ins and drivetrain is the same cost as a 6.2. You'll RPM higher and use higher boost. I'm very excited to see how far you take it. If I destroy another 6.2, you can use the "told ya so"
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Old 10-21-2020, 07:52 AM   #231
Choda
 
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Circle D called me yesterday. I sent them my converter to have it loosened up. I ordered the multi disk 3400 stall and could only get it up to 2800. They said the converter itself still looks brand new and they will be changing from the 2D to the 4D to get the stall speed up to where I want it. I'm not sure what 2D and 4D mean but well see.
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Old 10-21-2020, 08:43 AM   #232
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Quote:
Originally Posted by Choda View Post
Circle D called me yesterday. I sent them my converter to have it loosened up. I ordered the multi disk 3400 stall and could only get it up to 2800. They said the converter itself still looks brand new and they will be changing from the 2D to the 4D to get the stall speed up to where I want it. I'm not sure what 2D and 4D mean but well see.
I love my circle d converter. Loose enough but not too loose. Maybe they can copy mine if they have the data for it.
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dropped a valve in the 6.2. now running a drop in rods and piston 5.3
best et 5.83@121 with the 5.3 http://www.camaro6.com/forums/showthread.php?t=465472
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Old 10-23-2020, 08:09 AM   #233
Choda
 
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Quote:
Originally Posted by parish8 View Post
I love my circle d converter. Loose enough but not too loose. Maybe they can copy mine if they have the data for it.
I was going to mention your name when they called but the guy on the phone knew exactly what i was talking about and sounded very very confident in the changes he was going to make.

The converter was shipped from Circle D yesterday back to me. Zero cost. Talk about customer service.

My new promod engine should be here Sunday!!!
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Old 10-23-2020, 06:58 PM   #234
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Quote:
Originally Posted by Choda View Post
I was going to mention your name when they called but the guy on the phone knew exactly what i was talking about and sounded very very confident in the changes he was going to make.

The converter was shipped from Circle D yesterday back to me. Zero cost. Talk about customer service.

My new promod engine should be here Sunday!!!
Yeah they do one free cleaning or restall. I sent mine in after blowing up my trans and they didn’t charge me a cent.
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dropped a valve in the 6.2. now running a drop in rods and piston 5.3
best et 5.83@121 with the 5.3 http://www.camaro6.com/forums/showthread.php?t=465472
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Old 10-26-2020, 02:26 PM   #235
Choda
 
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Picked up a fresh lt4 short block from this guy.

OEM LT4 Crank, rods and pistons.
Fresh King main and rod bearings with full thrust surface STD X for 0.001 more clearance then stock.
ARP Mains
New Total Seal rings and fresh hone.
Less than 4K before rebuild.
Attached Images
  
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2016 Turbo Camaro SS - 800hp/900tq 9.7@146
2018 LTZ Z71 Redline Silverado - 381hp/420tq 13.8@100

Last edited by Choda; 10-26-2020 at 02:41 PM.
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Old 10-26-2020, 02:40 PM   #236
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The short block in my Camaro SS right now is stock with 1500 miles I bought from Carlyle racing last winter, Btr cam, lt1 heads and big .680 Btr springs. It made 847 on 14 psi of boost and just 22 degrees of timing. Not bad so you'll have good luck with the Lt4 short block and room to grow. Just set the rings up with more gap to handle the boost level.
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2022 Lt1 6.2 A10, Maggie 2300, THPSI Port Inj/10 rib, Rotofab, E, Nickey, SCOL, Griptech, RC Bandits, Hoosiers/MT 9.80@142.96 1.44 60ft, 6.34@112 707/669 RWHP/TRQ. 16SS Maggie 2650 9.41@147 1.35 60ft, 5.99@119. 16 C7 A8 10.90@128 Bolt on stuff
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Old 10-26-2020, 02:48 PM   #237
Choda
 
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Quote:
Originally Posted by laynlo15 View Post
The short block in my Camaro SS right now is stock with 1500 miles I bought from Carlyle racing last winter, Btr cam, lt1 heads and big .680 Btr springs. It made 847 on 14 psi of boost and just 22 degrees of timing. Not bad so you'll have good luck with the Lt4 short block and room to grow. Just set the rings up with more gap to handle the boost level.
We've had great luck with LT4 factory blocks with cams making great power.

Now my issue is heads.

1. LT4 heads with ICT intake plates to use my plastic lt1 manifold. Will this cause issues?

2. LT1 heads off Ebay. Then buy $1200 manley intake and exhaust valves.

laynlo why did you stick with lt1 heads instead of lt4? LT4 heads are around $600 more, plus $200 plates.

Im leaning more and more toward lt1 heads. Im not looking to set the world on fire here. The lt1 heads and upgraded valves should be more than fine for ~850 wheel.
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2016 Turbo Camaro SS - 800hp/900tq 9.7@146
2018 LTZ Z71 Redline Silverado - 381hp/420tq 13.8@100

Last edited by Choda; 10-27-2020 at 08:40 AM.
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Old 10-27-2020, 08:44 AM   #238
Choda
 
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Cam Talk.

Previous cam was
221/228 .632 .630 116+6

I'm ordering the LME front cover with the single cam bolt design. A lot of the companies I am talking to are suggesting Cam Motion.

They have 4 turbo cams to choose from or a custom grind.
https://cammotion.com/compare/366/367/368/370

Here’s what my dyno looked like w the old cam.
Attached Images
 
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