ls2 h/c gto build
Thread Starter
Teching In
Joined: Feb 2013
Posts: 22
Likes: 0
From: Jersey
ls2 h/c gto build I have lurked on this website for quite sometime and have recieved some invaluable information that helped me decide the route I wanted to go with my car. So, I figured I would finally join and start a thread on my build in the hopes it may help someone else make choices in the future.
My goal is for a nice strong street car that will not be a pain to drive. She will probably see the track every once in a while, but that is not her main purpose.
I also have to mention that I have gotten great information and guidance from my tuner (Andrew @ CSP) and much appreciate his work that has been performed in the past (see sig) and looking forward to this new work he will complete.
Current build parts as follows:
Lunati Custom grind cam (227/235 .6xx/.6xx 114)
SLP oil pump
Double roller timing chain
226cc AI head porting
BTR .660" polished dual spring kit w/locators, viton seals and titanium locators
Trend Hardened Pushrods
ARP head bolts and GM head gaskets
Lunati Pro Series Hydraulic Roller Lifters
CSP resized stock injectors
Dyno/Street tune
Gforce level 1 anti hop kit
I am in line to get the install done around the end of April beginning of May. I will attempt to update the thread with pics from the build when it is completed and hopefully a little dyno vid.
My goal is for a nice strong street car that will not be a pain to drive. She will probably see the track every once in a while, but that is not her main purpose.
I also have to mention that I have gotten great information and guidance from my tuner (Andrew @ CSP) and much appreciate his work that has been performed in the past (see sig) and looking forward to this new work he will complete.
Current build parts as follows:
Lunati Custom grind cam (227/235 .6xx/.6xx 114)
SLP oil pump
Double roller timing chain
226cc AI head porting
BTR .660" polished dual spring kit w/locators, viton seals and titanium locators
Trend Hardened Pushrods
ARP head bolts and GM head gaskets
Lunati Pro Series Hydraulic Roller Lifters
CSP resized stock injectors
Dyno/Street tune
Gforce level 1 anti hop kit
I am in line to get the install done around the end of April beginning of May. I will attempt to update the thread with pics from the build when it is completed and hopefully a little dyno vid.
Last edited by DirtyJgto; Jun 26, 2013 at 09:30 PM. Reason: Added Part
That cam is small IMHO.
But maybe you wanted something small
I'd avoided the SLP pump and gotten a melling 10296 and I would of avoided the dbl roller chain in favor or a katech C5r and not hav to hack up my timing cover.
Otherwise you pick some quality products, that's do sure!
Good luck an keep us posted.
But maybe you wanted something small
I'd avoided the SLP pump and gotten a melling 10296 and I would of avoided the dbl roller chain in favor or a katech C5r and not hav to hack up my timing cover.
Otherwise you pick some quality products, that's do sure!
Good luck an keep us posted.
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Thread Starter
Teching In
Joined: Feb 2013
Posts: 22
Likes: 0
From: Jersey
Cam is small, but this combination has been proven on multiple builds I have seen. Power goal is over 450rwhp which I think will be easily attained.
Oil pump/dbl roller is going on mechanic/tuner's advice and a new timing cover that fits properly is being installed.
I was able to drive in a car with the same cam and similar heads before my build and felt no cam surge even lugging around at around 1k rpm. I just want a fun driver I can drive and have a good time in with an occasional track visit.
Gforce level 1 anti wheel hop axles are also going on with this visit. An ls7 clutch and ported fast 102 will soon follow....when I come across more cash...that seems to be a recurring issue...LOL
Will hopefully update within the week with #s and graph.
Oil pump/dbl roller is going on mechanic/tuner's advice and a new timing cover that fits properly is being installed.
I was able to drive in a car with the same cam and similar heads before my build and felt no cam surge even lugging around at around 1k rpm. I just want a fun driver I can drive and have a good time in with an occasional track visit.
Gforce level 1 anti wheel hop axles are also going on with this visit. An ls7 clutch and ported fast 102 will soon follow....when I come across more cash...that seems to be a recurring issue...LOL
Will hopefully update within the week with #s and graph.
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Thread Starter
Teching In
Joined: Feb 2013
Posts: 22
Likes: 0
From: Jersey
Met Andrew on Saturday to get the car all tuned and some issues were run into before we got her on the dyno. One is a computer error code with the cam position sensor and the other is motor noise that Andrew said had not happened on any of the prior start-ups.
So, he is currently diagnosing what the issue is and hopefully it can be resolved soon and I can get my girl back home. A little sad but I know she is in good hands.
So, he is currently diagnosing what the issue is and hopefully it can be resolved soon and I can get my girl back home. A little sad but I know she is in good hands.
Thread Starter
Teching In
Joined: Feb 2013
Posts: 22
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From: Jersey
Yes, the car was torn down for a second time and everything was double checked by the builder. The lifters were replaced to be extra safe.
I have not seen the car in person yet but the builder is reporting to me the valvetrain noise, while still there, is now within accepted levels. The camshaft position sensor has been replaced and is working properly.
The car should be sitting in my garage this upcoming weekend as the only thing left to do on it at this point is the dyno/street tune.
So this thread should soon be graced with a dyno sheet.
I have not seen the car in person yet but the builder is reporting to me the valvetrain noise, while still there, is now within accepted levels. The camshaft position sensor has been replaced and is working properly.
The car should be sitting in my garage this upcoming weekend as the only thing left to do on it at this point is the dyno/street tune.
So this thread should soon be graced with a dyno sheet.
Thread Starter
Teching In
Joined: Feb 2013
Posts: 22
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From: Jersey
Results! I got the car back this past weekend and she is running well. She put down numbers right in the range that was expected.
455rwhp/407rwtq
The "go" pedal is a lot more fun now. My clutch on the other hand isn't too happy (stock with 40k). 1-2 aggressive shifts result in some slippage, so that will be next up when I locate some cash.
When I get some time I will be heading back to CSP as the hot start needs a little adjusting to be just right.
As for the issue with the motor noise, it was decided the most likely cause was/is the link-bar lifters.
I will, when time provides, put an idle clip up so that the motor and very nice exhaust note can be heard.
455rwhp/407rwtq
The "go" pedal is a lot more fun now. My clutch on the other hand isn't too happy (stock with 40k). 1-2 aggressive shifts result in some slippage, so that will be next up when I locate some cash.
When I get some time I will be heading back to CSP as the hot start needs a little adjusting to be just right.
As for the issue with the motor noise, it was decided the most likely cause was/is the link-bar lifters.
I will, when time provides, put an idle clip up so that the motor and very nice exhaust note can be heard.
Last edited by DirtyJgto; Aug 8, 2013 at 09:32 PM. Reason: spelling
Thread Starter
Teching In
Joined: Feb 2013
Posts: 22
Likes: 0
From: Jersey
Awesome. I can chug along @1100 rpm with no cam surge. The power is very broad and spread really nicely over the whole RPM range. My Star Specs are actually putting the power to the ground quite nicely. Today I had some spirited runs and there was no tire slippage in 2nd or 3rd, just pulled like a freight train.
