1968 Firebird Build

3,494 Views | 40 Replies | Last: 26 days ago by Corps_Ag12
Corps_Ag12
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AG
Centerpole90 said:

camshaft.

Oh!

Yes, I voted the TS Chopacabra but Silvy suggested the Tick Stage 2 or 3 but I'm annoyed they never responded to my recommendation form message so he also told me to reach out to Cam Motion. They recommended their Titan 4 cam based on my set up.
Corps_Ag12
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txyaloo said:

Corps_Ag12 said:

92_Ag said:

Nice! Are you planning on running an electric fuel pump? I can't recall either if the '68 350 had the return line but I think it didn't?


Yes I am.

And you are correct, it does not have a return line so my regulator/filter will be adjacent to the tank at the back of the car with a single line running to the motor.

I'll be running a 255 LPH Walbro fuel pump. I'll have to run power back there though.
What ECM are you running?

Racetronix had a pretty good fuel pump harness when I did my swap a few years ago. Nice heavy gauge wire. Was ~$50 when I bought the kit.

I ended up going with a Vaporworx PWM fuel management controller since I'm running a blower. I'd consider going that route now if you do plan for a power adder later.

https://www.vaporworx.com/shop/product/returnx-return-type-pwm-controller/

Still undecided.

I'm looking at Howell (still need to call them), Holley Terminator X Max, and PCI Conversions

Holley seems to be the most plug & play but PCI includes a lot of the sensors you need, which Holley does not as far as I can tell.

I don't run around a car club here so as far as tuning a stock PCM, I'm SOL at the moment on finding a tuner which makes the Holley seem favorable since as I understand it, I can tell it my parameters and it'll adjust everything accordingly.
txyaloo
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Corps_Ag12 said:

txyaloo said:

Corps_Ag12 said:

92_Ag said:

Nice! Are you planning on running an electric fuel pump? I can't recall either if the '68 350 had the return line but I think it didn't?


Yes I am.

And you are correct, it does not have a return line so my regulator/filter will be adjacent to the tank at the back of the car with a single line running to the motor.

I'll be running a 255 LPH Walbro fuel pump. I'll have to run power back there though.
What ECM are you running?

Racetronix had a pretty good fuel pump harness when I did my swap a few years ago. Nice heavy gauge wire. Was ~$50 when I bought the kit.

I ended up going with a Vaporworx PWM fuel management controller since I'm running a blower. I'd consider going that route now if you do plan for a power adder later.

https://www.vaporworx.com/shop/product/returnx-return-type-pwm-controller/

Still undecided.

I'm looking at Howell (still need to call them), Holley Terminator X Max, and PCI Conversions

Holley seems to be the most plug & play but PCI includes a lot of the sensors you need, which Holley does not as far as I can tell.

I don't run around a car club here so as far as tuning a stock PCM, I'm SOL at the moment on finding a tuner which makes the Holley seem favorable since as I understand it, I can tell it my parameters and it'll adjust everything accordingly.
I'd choose terminator x max for a swap today. I self tuned when N/A using a factory 411 PCM and HP Tuners. It was just clunky with a steepish learning curve. I also didn't really like constantly ripping it on back roads to get data logs.

I have a megasquirt based system in my Bronco that does self-tuning similar to the Terminator. Much easier to get dialed in and the Terminator software looks much more up to date.
Aggie Dad 26
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Corps_Ag12 said:

Centerpole90 said:

camshaft.

Oh!

Yes, I voted the TS Chopacabra but Silvy suggested the Tick Stage 2 or 3 but I'm annoyed they never responded to my recommendation form message so he also told me to reach out to Cam Motion. They recommended their Titan 4 cam based on my set up.

I have the TS stage 3 in my LS swap. Sounds very nice
Sweating BulletS
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Interesting.
Corps_Ag12
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No photos, just a quick update.

I've ordered the cam (Cam Motion Titan 4), ls2 intake, ls3 injectors (which i found out require spacers on an LS2 intake, also ordered), lifters, and still waiting on the fuel regulator to be delivered.

I have the gas tank assembled, but waiting on the fuel regulator before installing. Still need to run fuel pump control wire to the front for the Holley Terminator X Max i plan on ordering with the DBW pedal.

Still need to get the 4L60E deposit placed so they can build me a transmission as well as order the stall converter (Circle D 3200 stall per Silvy's rec).

My next task is to get the motor cleaned up so i can start re-assembling it, but I need to find time to get the heads from Silvy that I am going to use so I can rebuild them before paint. Anyone coming up from Houston to DFW any time soon?

Need to order throttle body, probably going with a 90 mm LS3 throttle body DBW.

Finally, missing a lot of bolts for bellhousing to motor, accessories, etc. Anyone know where i can buy a pack of factory bolts for all of this?
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