





Heads or new rearend?
A:
VRX5 cam
Fab9 rear / chromoly driveshaft / new rear suspension
Monster level 3 clutch
B:
VRX5 cam
TFS as cast 220 heads
Rear suspension
Monster level 3 clutch
For option A the parts I don't have, tune, and some $ for my friend to help will be roughly 4300-4500.
Option B I'm looking at maybe 2800-3000 for everything including tune and labor.
I already have the cam, clutch, UD pulley, and a new oil pump. Other mods on the car now include LPP headers, TD, fast90, nw90, ftp lid.
Either way my end goal is to have a fab9 and an H/C/I weekend car. I originally wanted to go with the first setup because of safeguarding the rear against more power. But that is a lot of cash for me this spring and logically doing the H/C all at once will be cheaper than cam now heads a year later.
Is it likely I'll break the ten bolt on a H/C car with the monster? Rear has 40k, never had any odd noises, is on street tires, and never launched hard. It only has to last until next winter.
Thanks for the help guys.
A:
VRX5 cam
Fab9 rear / chromoly driveshaft / new rear suspension
Monster level 3 clutch
B:
VRX5 cam
TFS as cast 220 heads
Rear suspension
Monster level 3 clutch
For option A the parts I don't have, tune, and some $ for my friend to help will be roughly 4300-4500.
Option B I'm looking at maybe 2800-3000 for everything including tune and labor.
I already have the cam, clutch, UD pulley, and a new oil pump. Other mods on the car now include LPP headers, TD, fast90, nw90, ftp lid.
Either way my end goal is to have a fab9 and an H/C/I weekend car. I originally wanted to go with the first setup because of safeguarding the rear against more power. But that is a lot of cash for me this spring and logically doing the H/C all at once will be cheaper than cam now heads a year later.
Is it likely I'll break the ten bolt on a H/C car with the monster? Rear has 40k, never had any odd noises, is on street tires, and never launched hard. It only has to last until next winter.
Thanks for the help guys.
I built my drivetrain first, and I'll tell you...the rear end is good for peace of mind, but I think I would have enjoyed the extra performance over the extra strength since my car is no longer a daily driver. Plus, since the gear setup from Strange was **** on my 12-bolt, I'll be paying even more to get them to quiet down to an acceptable level. That's a lot of money for minimal performance gain in my books.
It's a PITA to swap springs with the heads on the car, and even more of a PITA to set them up correctly (ie checking IH, removing seals, shimming, etc). It would be so much easier to swap and degree the cam and setup the valvetrain with the heads off of the car.
To make it last as long as it did, I never got on it at all in 1st, never did a dig race, even on the street, and didn't go to the track. The first time I took it back to the track, it let go again, but I was prepared to buy the new rear by this time.
It really sucked having the power and not being able to use it, and always knowing that it could go at any time.
From experience, get the rear FIRST.
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And to answer some of the other questions. It is a 100% street car. It will most likely never see track time in its life and surely not within the next year anyways. Plus, its not my DD and will most likely see <5,000 miles this summer.
I've read a ton on tech over the last few years and I wanted to upgrade the drivetrain first before power. Doing H/C at the same time here instead of rear/cam, then heads will save me a lot of money and grief (tune, diff PR, etc). But as KCS said, why not do the cam next year? I already have the cam and almost all the valvetrain is free (gift from family member) so there is no point in waiting that long. Basically option B is just adding the heads into the factor for me and expenses like new lifters that a regular cam install doesn't have.
The money that i save between the two packages I planned on just saving towards the fab9.
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Don't put all your money into power and then have to baby it just to save the rear. Buy the rear and pound the living **** out of your car! Like it was supposed to be built for!
I know I sound convinced one way to begin with but I'm trying to look at both sides of the coin.
Being the fact that the car is a toy, if it does break, you can park it and it won't be a major inconvenience to you.
While I have everyones attention with this thread would you guys recommend the TFS 220 or a set of 799(identical to 243) castings with a TEA stg2 workover? How close would the power be between the two? Plus, with the 799 I won't need RR so that will save even more $ I can put towards a rear.






