370/ new f1A-94

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Oct 22, 2014 | 08:31 PM

speedfreak2685

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370/ new f1A-94

I figured I would start a thread on this. It will be awhile before I post final results but this will at least get the conversation started.

Old setup:
Stock Ls1 with custom blower cam
Normal boltons
D1 procharger 8 rib 4.25" pulley
Aster bracket
Alkycontrol single nozzle meth/pump gas 93
M6 and 9"
Made 671/565 on roughly 12ish pounds

New setup - motor just dropped off at the machine shop and blower parts being ordered any day now:
6.0 iron block .030 over
Wiesco -3.2cc pistons 10.3:1 compression
ls9 headgaskets
ARP head studs and main studs
Callies compstar rods
Stock Ls3 heads
Stock Ls3 intake
90mm TB
Custom grind blower cam
ls7 lifters
Procharger Intercooler kit
New F1A-94
3.70" pulley
8 rib and Aster setup
Probably just a screen on the blower
ATI Dampner
1 7/8" longtubes into true duals
ditching the meth and going E85
still a 6 speed but upgrading the clutch to a Mcloud RXT twin
Same 9"

This is all I can think of for now. I'm hoping for 900+ pretty easy but we will see!

Oct 22, 2014 | 09:43 PM

Rise of the Phoenix

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From: Jefferson City, MO

Details on the fuel system?

Oct 23, 2014 | 06:53 AM

speedfreak2685

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Quote:

Originally Posted by Rise of the Phoenix

Details on the fuel system?

I haven't fully figured that out yet but I do know injectors will be id1300 and going with twin e85 pump setup from squash. I'll figure the rest out once the motor and all is done.

Oct 24, 2014 | 05:09 AM

Bob@BruteSpeed

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You'll easily be over 900 rwhp if you can keep those LS3 heads from lifting. Bob

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Oct 24, 2014 | 08:52 AM

speedfreak2685

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Quote:

Originally Posted by Bob@BruteSpeed

You'll easily be over 900 rwhp if you can keep those LS3 heads from lifting. Bob

We will find out soon

Jun 5, 2016 | 06:04 PM

Troy

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From: Northern NJ

any update??

Jun 6, 2016 | 01:48 AM

Blown06

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Really watching this one.

OP, I've been trying to successfully campaign a stock 6.0 block with a big centri as well. Hope to see some good results from your set up.

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Jun 7, 2016 | 02:23 PM

neverstop

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super interested to see how running an F1A or F1a94 on just normal straight 8 rib belt would go, big step up in the gearbox but also much larger pulley of course

Jun 14, 2016 | 10:18 AM

#10

95-1LE-Z28

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From: McKinney, TX

Quote:

Originally Posted by Troy

any update??

Here is the updated thread i believe.

https://ls1tech.com/forums/forced-in...round-2-a.html

Jun 14, 2016 | 08:10 PM

#11

Troy

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From: Northern NJ

Thanks.. this new link says F1A, not the F1A94

Aug 21, 2016 | 11:11 PM

#12

xdanny510x

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From: Hayward CA

Whats the difference between f1a and f1a94?

Aug 22, 2016 | 07:45 AM

#13

Bob@BruteSpeed

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From: Roanoke, IN

Quote:

Originally Posted by xdanny510x

Whats the difference between f1a and f1a94?

F-1A-94 = New F-1A w/ 3.70 new design impeller, new 9” volute.
Compared to an F-1A, The F-1A-94 has a more aggressive backsweep on the exducer of the impeller. Generally speaking, anytime you add more angle to the backsweep you are decreasing the amount of pressure to build at low RPM, and it will be probably feel noticeably softer down low. Up top the F-1A-94 is good for around 150-200 more rwhp over a standard F-1A. Bob

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