Z06 HPR 468 LS7, WCCH Brodix BR7 heads, and G1Pro custom billet intake build - CorvetteForum - Chevrolet Corvette Forum Discussion

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[Z06] HPR 468 LS7, WCCH Brodix BR7 heads, and G1Pro custom billet intake build

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[Z06] HPR 468 LS7, WCCH Brodix BR7 heads, and G1Pro custom billet intake build

Old 09-25-2018, 03:38 PM
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441LSXTT
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Default HPR 468 LS7, WCCH Brodix BR7 heads, and G1Pro custom billet intake build

Well I decided my H/C/I LS7 625rwhp wasnít enough N/A power for a daily driver. Lol!! So now I have Erik at HPR building me a 468 LS7 N/A monster. Here are the specs I have so far.

GM LS7 block with Darton sleeves
K1 4.250 stroke crank cut down to except small journal bearing rods
Callies small journal bearing rods
HPR custom 4.185 dome pistons by CP
HPR custom hydraulic cam 26*/27*....74*/74*...112 lsa
Brodix BR7 BS heads done by WCCH with Ti intake valves and inconel exhaust valves
G1Pro custom billet with long runners (7inch runners with 10% taper full radius bell mouth)
PAC springs
Crower 1.8 shaft mount rockers with needle bearing tip
Katech ďredĒ ported oil pump
C5R timing chain.
compression will be around 13.0 since I will be running E85.
ARH 2inch headers with off road 3inch xpipe. Canít decide wether to keep my Corsa exhaust or dump it
Goal is 700+rwhp











Last edited by 441LSXTT; 09-26-2018 at 08:20 AM.
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Old 09-25-2018, 03:48 PM
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Killer sounding combo! One question.... will that G1pro manifold deliver enough air at high rpm?
Assuming you will be spinning it to at least 7k...

Last edited by edmundu; 09-25-2018 at 03:49 PM.
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Old 09-25-2018, 04:57 PM
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Looks great man. Looking forward to the final numbers.
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Old 09-25-2018, 05:24 PM
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This will be fun!
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Old 09-25-2018, 06:48 PM
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Ironically, that's almost my build as well LOL
I'll be running a different intake, though.
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Old 09-25-2018, 06:56 PM
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Originally Posted by FNBADAZ06 View Post
Ironically, that's almost my build as well LOL
I'll be running a different intake, though.
#hiram
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Old 09-25-2018, 07:03 PM
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Originally Posted by jayyyw View Post
#hiram
Maybe something just a wee bit different, just b'cuz LOL

Last edited by FNBADAZ06; 09-25-2018 at 07:04 PM.
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Old 09-25-2018, 07:12 PM
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Originally Posted by jayyyw View Post
Looks great man. Looking forward to the final numbers.
Originally Posted by Che70velle View Post
This will be fun!
Originally Posted by FNBADAZ06 View Post
Ironically, that's almost my build as well LOL
I'll be running a different intake, though.
Originally Posted by jayyyw View Post
#hiram
Originally Posted by FNBADAZ06 View Post
Maybe something just a wee bit different, just b'cuz LOL
Originally Posted by edmundu View Post
Killer sounding combo! One question.... will that G1pro manifold deliver enough air at high rpm?
Assuming you will be spinning it to at least 7k...
i hope so lol!! Iím sure it will.
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Old 09-25-2018, 07:14 PM
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Old 09-25-2018, 07:15 PM
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Old 09-25-2018, 07:16 PM
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Originally Posted by jayyyw View Post
Looks great man. Looking forward to the final numbers.
Me to. Erik says we should be 700-725rwhp. We will see.
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Old 09-25-2018, 07:39 PM
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Nice!

Just as a note, the Hinson c7r chain is 150 on amazon. I think hinsons web site even recommends the c7r chain these days.

Just a though, itís pennys in difference on the cost.
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Old 09-25-2018, 08:27 PM
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When will it be done?
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Old 09-25-2018, 11:14 PM
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Badass!!
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Old 09-25-2018, 11:23 PM
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Originally Posted by double06 View Post
When will it be done?
I hope to have the motor complete in the next 2 to 3 weeks. And my builder will have it for about a week installing everything

Last edited by 441LSXTT; 09-25-2018 at 11:24 PM.
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Old 09-25-2018, 11:25 PM
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Originally Posted by VelocityC6z View Post
Nice!

Just as a note, the Hinson c7r chain is 150 on amazon. I think hinsons web site even recommends the c7r chain these days.

Just a though, itís pennys in difference on the cost.
thank you for that info. I will let them know tomorrow. If thatís true then I will be getting.
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Old 09-25-2018, 11:26 PM
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Originally Posted by FNBADAZ06 View Post
Ironically, that's almost my build as well LOL
I'll be running a different intake, though.
awesome!! What size motor are you doing? Heads? What intake?
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Old 09-25-2018, 11:37 PM
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Awesome build. Sub'd.

For the timing chain, I'd stick with the Katech C5R chain. There is no evidence that the Hinson "C7R" chain is superior in any way. Further, Katech never once broke a C5R chain when they built motors for the factory Corvette racing team, and that included the 24 hours at LeMans endurance races. It's a race derived, race tested and proven chain.
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Old 09-25-2018, 11:44 PM
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Originally Posted by Mordeth View Post
Awesome build. Sub'd.

For the timing chain, I'd stick with the Katech C5R chain. There is no evidence that the Hinson "C7R" chain is superior in any way. Further, Katech never once broke a C5R chain when they built motors for the factory Corvette racing team, and that included the 24 hours at LeMans endurance races. It's a race derived, race tested and proven chain.
Not questioning you, as the Katech C5R chain has been proven.

But have there been any reports of the Hinson C7R chain broken? I havenít seen any, but if there are it would be nice to know before I go in on the C7R chain as well lol.

There should have been a C6R chain to rule them all...
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Old 09-25-2018, 11:51 PM
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Originally Posted by VelocityC6z View Post


Not questioning you, as the Katech C5R chain has been proven.

But have there been any reports of the Hinson C7R chain broken? I havenít seen any, but if there are it would be nice to know before I go in on the C7R chain as well lol.

There should have been a C6R chain to rule them all...
Not that I know of, and the Hinson chain is likely made by the same manufacturer (IWIS)..

​​​However, the Katech C5R chain is also the same chain as was on the C6R and currently on the C7R. It's just called a C5R chain. It's made to Katech's specifications and has never failed in endurance race conditions from C5R to C7R. Same chain all along and same chain you can buy.
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