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Time for more power

 
Old 06-19-2018, 06:20 PM
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427 Dart lsnext shp short block with k1 rods,crank and wiseco -8 cc pistons ordered today.
heads ordered from Gavin Simcoe at Sps. Going ls3 heads with stainless valves and pac1209x springs for a low lash solid roller cam.
I plan to run the Holley sniper intake (low profile) and will start off with my 9.5" nitrous converter which was a 4600 stall behind my 6.0 on motor . It fell to far on the shifts but it drives great with a non lock up 200-4r transmission with trans brake rmvb.
currently running a 8" fti and will see how the 9.5" does. Fti said they can restall my 8" for the 427 so I may still go that route
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Old 06-19-2018, 06:27 PM
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Old 06-26-2018, 05:40 PM
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project go big starts today, drained radiator and block. tomorrow morning I will pull the motor and transmission early so its not to hot.
current motor is sold and going in my brothers 01 z06 vette. really curious to see what it lays down in his car with the 6 spd. manual transmission.
I think close to 500 rwhp and 440 rwtq
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Old 06-30-2018, 09:08 AM
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Cam ordered yesterday from Geoff Skinner. Going to be his first run at the llsr but his hydraulic cams make great power and drive good.
llsr 246/[email protected] .688/.671 112+4
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Old 07-01-2018, 12:12 PM
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Originally Posted by AINT SKEERED View Post
Cam ordered yesterday from Geoff Skinner. Going to be his first run at the llsr but his hydraulic cams make great power and drive good.
llsr 246/[email protected] .688/.671 112+4
That sounds like a hell of a cam! Looking forward to seeing the build.

Originally Posted by AINT SKEERED View Post
that's not for me. I prefer a clean engine bay not cluttered up and instant throttle response of a NA motor. Though im aware the guy with the turbo junk yard 5.3 will most likely wax my *** , its just not what I want in this Car, I bought it new and don't want thrown together parts in it.
We have exactly the same view on turbo vs NA builds and putting junk yard engines in cars bought new. I think the Dart SHP block is a great choice. I'm very happy with SBC Dart SHP in my 72 vette. Dart typically makes some excellent improvements over stock block. The extra .375 of cylinder sleeve will make for very stable pistons with a 4 inch stroker. The Dart LS SHP coming clearanced for up to a 4.1 stoke is pretty sweet too. Plus all the other good stuff.

​​​​​
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Old 07-01-2018, 11:33 PM
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Originally Posted by 99 Black Bird T/A View Post
That sounds like a hell of a cam! Looking forward to seeing the build.



We have exactly the same view on turbo vs NA builds and putting junk yard engines in cars bought new. I think the Dart SHP block is a great choice. I'm very happy with SBC Dart SHP in my 72 vette. Dart typically makes some excellent improvements over stock block. The extra .375 of cylinder sleeve will make for very stable pistons with a 4 inch stroker. The Dart LS SHP coming clearanced for up to a 4.1 stoke is pretty sweet too. Plus all the other good stuff.

​​​​​
I almost told them to go 4.1 stroke to make it a 438 but figured for durability reasons 427 was plenty. The .375 longer skirt hard my interest but then the 1 hour conversion I had with dart sold me on the shp block.
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Old 07-11-2018, 11:57 PM
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Picked up the short block today. The cam and timing chain yesterday.
moving along
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Old 08-10-2018, 08:26 PM
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Default Heads Finally complete

Wt


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Old 08-10-2018, 08:31 PM
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Cam in also. It was cut to be a 246/262 @.050 .689/.671 112+4 but degree wheel showed it at a 109.5 cl. We left it there instead of going below 108cl.
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Old 08-13-2018, 10:11 PM
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Only things left to order are jesel rockers and pushrods. Hope to have this thing running mid September
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Old 08-14-2018, 06:34 AM
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The SPS heads look killer!

Which Jesels?
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Old 08-14-2018, 09:25 AM
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Originally Posted by 99 Black Bird T/A View Post
The SPS heads look killer!

Which Jesels?
sportsman I believe it is.
the heads came out nice and should make good power. Hopefully worth the wait time.lol
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Old 08-21-2018, 04:46 PM
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Heads made it here. Now to get the jesel sportsmans ordered Thursday and then my pushrods. Will be ready to together once piston to valve clearance is confirmed.
Pistons are 0 deck so I wanted cometic .036 head gaskets. They were on back order so I went with felpro mls .041 gaskets. Compression fell at 11.8 to 1 with a 64 cc chamber





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Old 08-22-2018, 08:41 PM
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Originally Posted by AINT SKEERED View Post
that's not for me. I prefer a clean engine bay not cluttered up and instant throttle response of a NA motor. Though im aware the guy with the turbo junk yard 5.3 will most likely wax my *** , its just not what I want in this Car, I bought it new and don't want thrown together parts in it.
That's what I was about to say go boosted or nitrous and make a hole bunch of power and true my tubro 5.3 Colorado makes a lot more power on boost
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Old 08-22-2018, 10:44 PM
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Originally Posted by Crysis View Post
That's what I was about to say go boosted or nitrous and make a hole bunch of power and true my tubro 5.3 Colorado makes a lot more power on boost
or build this and if I want to use nitrous I can. Enjoy your boost, to each his own
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Old 08-22-2018, 10:56 PM
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Very cool build. Love the pics
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Old 08-22-2018, 11:55 PM
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Yeah i do miss my clean and easy to work on engine bay also the quick response
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Old 08-23-2018, 09:28 AM
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Originally Posted by A.R. Shale Targa View Post
Very cool build. Love the pics
I will be posting more soon. I ended up going with yella terra rocker arms instead of jesel as i am only running 500lb psi open pressure valve springs . Waiting on those to come in so I can verify ptv clearance and pushrod length and then ne able to bolt heads down completely.

Originally Posted by Crysis View Post
Yeah i do miss my clean and easy to work on engine bay also the quick response
I agree, instant tq ot a good naturally aspirated motor is fun and when using a 5000+ converter.
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Old 08-28-2018, 05:16 AM
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So instead of jesel, I went yella terra 6653 rocker arms. The money saved bought me ati super damper and new sensors.
checked pushrods length and it's coming out to 8.225 but to make sure it's right I am going to find an accurate way to measure the length of the checking rod to verify. Then will order either 11/32 or 3/8 . My heads appear to have been clearance for 3/8

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Old 08-29-2018, 08:21 AM
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Just discovered this thread. Great build. I think you'll be glad you went the 427 route. It's a great bore/stroke combo. I also think you'll be really glad you went with the LS3 heads. Cam looks like a great match for the build. I may have missed it, but what CR are you running?

I just installed the low profile sniper. So far I really like it. It enabled me to run stuff UNDER the manifold instead of over it, which greatly helped cleanup the engine bay. One thing also, I have the NW 102 throttle. The TB cam hits the intake plenum, so I can only get to 76% throttle. You may need about a 1/2" TB spacer unless you plan to run the sniper 105 throttle. I have a friend with a 105 sniper throttle and sniper low profile intake, and he had no issues with the throttle cam touching the plenum. Thought i'd mention it to get it on your radar.
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