This type of build is my favorite, and I have been around a couple that are very similar. I think you are on the right path but are going to fall short of your goal if you plan to stay with the FAST manifold. It seems like they are just done at 600-620whp... but maybe someone has them figured out. One note from past experience, two iterations of a build that made 680+ SAE both times, first version had Mast heads and the other had Allpros. Lol. Not saying they are the right head for you or the best (OE LS7 casting is more than capable in the right hands), but was a funny coincidence.

 

Thanks man! I won't be all butt hurt if it doesn't make 650ish, I know it's possible and that we'll at least be damn close. If it doesn't, it's not anything fudging dyno settings couldn't take care of. Haha totally joking.

Also, I made a Facebook page that I'll be able to update more regularly if any of you care to like it. I'll still be updating this thread as much as possible though.
Here's the link. https://www.facebook.com/themexicutionerz06

 

Good choice in dry sump set up

John has some of the best customer service I've ever come across

 

You wouldn't happen to be the guy I was talking to at Texas Performance (by hobby airport) about a month ago would you? I have a procharged truck.

 

Not that I can recall no, sorry.


Thanks man! I've though about running a single plane intake and cutting the hood, but the only I'd do that is if I was going to go forced induction. Which I'd like to do some day, but not in the foreseeable future lol

Very cool stuff brother. Can't wait to see how it turns out, and I'd ditch the FAST also.

 

Very cool stuff brother. Can't wait to see how it turns out, and I'd ditch the FAST also.

 

I made 660/570 on a SBE LS7 a couple years back.. I also have a Marcella intake with a Induction Solutions dry fogger plumbed on the bottom side that I need to get rid of..

 

PM me details on the intake setup. Thanks.

 

Two of my friends have had issues with jesels on stock LS7 castings. They rip the roof of the port right out. These were both done by reputable LS shops. You machine the head for a flat area for the flat bar to bolt to, the roof getd very thin where the bolt that holds it down. It also gets drilled out to 7/16 too. Good luck with the build sounds bad ass!

 

Just for some numbers, I own a ls7 that I built for my jet boat but is in my Buddy's car right now for a local class. Its the same cubes as yours with factory heads with good valve job and minor bowl work. They go 375@.650 then fall like crazy. Ex is like 220@.650 also. Hydraulic roller 262-273@.050 113 LSA on 111CL. It has a mast single 4 with carb. It over 13:1 cause was built for E85. I've made 800,824, and 851 depending on what carb, headers and fuel was in it. I'm running it again tomorrow on the dyno with a .670 solid roller with the stock rockers and heads. We test on Thursday and race on Friday so I'm interested to see what just the solid roller picks us up....

 

Well, I finally have enough momentum behind this thing to post an update.
I got the engine back from the machine shop last week. My LS7 heads are still at Frankenstein Racing getting repaired, cnc ported, and machined for Crower shaft rockers! FRH is also porting and port matching my FAST 102mm. I should have them back by next weekend.
I need to get a set of Kooks headers for the round port exhaust, instead of the factory "D" shape. So I'm selling my Kooks "D" headers.
Compression will be 12.3 - 12.4. ID850's will light the fire, fueled a Walbro 450 or the Aeromotive A1000 drop in kit they make, with plans for flex fuel 93oct / E85.
Martin Smallwood @ Tick Performance will be specing out the solid roller cam. At his request FRH is installing PAC 1208X springs and Ti hardware, which are good for .750 lift. I think I'll be calling this a 3/4 cam haha. I'll be getting some fat 'ole pushrods from Trend and Morel solid lifters.
I'm not planning on having the car back on the road till after TX2K / April.
In the meantime I've got a bunch of small things planned. I'm cleaning and painting all the suspension cause I hate dirty corrosion, and I'll also be correcting the paint thanks to my background in paint and body work.
Here's a few pictures for your viewing pleasure

 

What did you use to cleanup those aluminum pieces?

In the meantime I've got a bunch of small things planned. I'm cleaning and painting all the suspension cause I hate dirty corrosion, and I'll also be correcting the paint thanks to my background in paint and body work.
Here's a few pictures for your viewing pleasure

 

Those IDs goin to be big enough with E85 ?

 

They should be. It won't see he flex fuel and E85 for a while. 93oct is what I'll pump 99% of the time anyhow

 

I like the finish on your crank. I am in the final week before I get my billet crank from Winberg.
It has a similar finish to what yours is. Once I get it I will probably make a build thread like yours.
Looks like you are doing some nice things to your ride.
Looking forward to more pics.

 

Thanks man!

 

Cam came in today! Martin spec'd it through Cam Motion.
250/266
.720/.680
114+4

 

Small update. Frankenstein is finally done with everything, so I'm over here like

Heads, ported FAST 102mm and Crowers should be here early next week. All that is left to get are headers, pushrods, timing chain and lifters.
Heres' a few teaser shots of the head work FRH sent to me.




I'll get more pictures of everything once it all arrives.
Also, my custom plates came in. I think it'll fit the personality of the car perfectly, as well as describe my love of metal and punk music. A couple of tweaks and they'll be perfect.
Before tweak :

After tweak :

Also thinking of adding the Misfits skull / Pantera logo in place of the star and Texas symbol
Until next time...

 

Gm should have carried over the round tail lights to the new vette

 

Looking good man. I have something similar, no solid cam though.

Keep us posted.

Pantera is awesome btw

 

Thanks guys. Heads, Crowers and FAST came in from Frankenstein on Tuesday. Here's a bunch of cell phone pics. I'll get better pics this weekend.

 

Nice pics, love my Ls7 Crower shaft rockers.

 

Those are ported factory LS7 castings? Did you consider the RHS LS7 heads?

 

Yes, they're ported OEM castings. I did consider the RHS heads with one of FRH's programs, but after talking extensively about my goals with them they suggested I go with their port work on my stock casting.


Their reasoning was since I was going to be using a stock style intake, I most likely wouldn't see justifiable gains vs. the higher price of admission for the RHS's, and that the money saved by running my stock casting could be spent elsewhere on the build.

 

Well, not much of an update, but after spending what seems like endless hours researching valvetrain geometry, talking to the people I got my parts from, I'm happy to say my valve train is setup! I get the best geometry angles and wipe pattern using one Crower supplied .045 shim for the rocker base.
Pushrods will come from Manton. Series 5 7/16 x .120 at 8.600 is what they'll be.

Got all my clutch measurements while everything is blown apart also. Everything is golden there as well. I completely disassembled the slave to thoroughly clean it as it been 40k miles with the stock fluid. Yuk. I'll be replacing that shitty little plastic bearing support with Monsters billet piece.

All I need now is to drill and tap the rear steam ports, get a couple gaskets and clearance the heads for the pushrods and it'll drop this bad boy in the car.

Shouldn't be too much longer now!

 

I've finished up all the small tasks finally. The motor is jus about ready to be dropped in. Only thing I need is cover gaskets, billet tob support and the C7R chain.
Clutch / slave measurements are good. Right at .100 or so. I also cleaned and flushed the 40k mile nasty fluid out of the master, slave and lines. This should help minimize any potential issues there.





Next was p/v. I have clearance for days there. It was somewhere .240+ for both. The piston only stick out .375 at bdc.



Clearanced the pushrod holes so I can run 7/16 columns from Manton. Pretty sure I'd have room for 1/2 rods, but that won't be necessary.
Here's some before and afters. Just have to tidy them up a little more.

 

Here's something I found very interesting. The rear steam ports on the LS7 heads are actually riveted closed. When I was getting ready to drill the port out I noticed they looked plugged up. Took a small punch to the under side of the head and knocked the plugs out. Drilled and tapped them for -4.

 

Put the base of the intake on the long block.

Make sure the roof of the intake port doesn't droop into the path of the intake manifold.

The exhaust gaskets might need a little trimming so it doesn't block the very bottom of the exhaust port.

I've done some pretty extensive port work to the FAST intake and made fantastic gains.

PM me if you're interested in any details.

 

What were the goals...?

 

I'd like to have the power to go 9's at 140+ in decent south TX weather, and 8's on spray.

I think the biggest hurdle will be seat time and driver skill. Briancb1 you have a pm