user 4737373

In the case of fingerprints acquired during installation, you can just wipe down the headers with a terry cloth or micro fiber towel and all will be well.

LarryMcClure

i have got a 1969 GTO i am swapping a Ls2 out of a 06 GTO i bought the forward frame mounts and F body Motor mounts. motor went in real easy. what i am wanting to know is my alternator hits the steering box on frame . is this the fix part number is 20-135 from holley. thanks so much!!

user 4737373

Hello Larry. The use of a 4th-gen F-body accessory drive set-up is only possible on the 68-72 A-body application when using the rear-bias Hooker engine brackets. Even though the alternator mounting bracket on the GTO is similar to the one on the F-body cars, the GTO alternator itself, and the pulley are larger than the F-body parts, so I don't believe you will have luck fitting them even with the rear bias engine brackets. In your case, you'll need to re-configure your alternator/PS pump using FEAD brackets from Holley or other sources. You can also possibly swap over to the stock F-body components if they suit your needs.

LarryMcClure

Well what is the part number i need from holley ,remember i am using the forward frame mounts from holley

68conv455

You want the holley 20-143 kit. If you don't need the all the parts you can get them a la carte as well. If you don't need it all you're in luck because the kit has been back ordered for months. Ask me how I know.

LarryMcClure

Thanks Very much. i will try to order it, i take it that you have been waiting awhile for your kit right. once again THANKS ALOT!!

LarryMcClure

If i have the LS2 gto alternator and Powersteering pump will it work with part number 20-135.

lizeec

iTrader: (57)

I put the same engine in my 66 GTO and had the same issues as you are having, I was getting a custom stand alone harness made by Speartech. I still used the GTO ECU which is a E40, I just told Speartech I would be using a f-body alternator and they made my harness with the correct f-body alternator plug.

You can use the f-body alternator in place of the GTO alternator, the f-body alternator is smaller and gives you the needed clearance, it will bolt right in with the existing GTO front bracket, the rear bracket has to be changed to the f-body rear alternator bracket, they are available for around $15-$20on eBay. I sold my GTO alternator and recouped most of the cost of buying the f-body alternator and rear bracket, after all said and done the alternator swap cost me around $40.00

user 4737373

That would be a great way to go if he is willing to switch to using the Hooker rear-bias engine brackets. That will unfortunately also lead to far more tunnel work required to fit his T56 trans.

racer442olds

iTrader: (2)

Did these headers ever come out in mild steel?

user 4737373

They haven't yet, but they definately will.

racer442olds

iTrader: (2)

Any idea on time frame?

user 4737373

I'm off work this week, but I'll ask around for you on Monday.

tko500b4c

iTrader: (-1)

Any updates on the 68-72 convertible transmission cross member?

korndawg

Sent off my crossmember to Jegs today. Hopefully I get the correct one this time. Tired of sending back and re-ordering parts.

korndawg

I got the replacement crossmember in today from Jegs. I'm guessing this is the correct one?

user 4737373

Yep, that's it.

korndawg

Great to hear. Thanks!!

jasonpickett

iTrader: (5)

Not sure if this has been gone over yet but does anyone know what the best throttle cable to run with the forward position mounts and a edelbrock or Holley high ram manifold? Should I get a f-body ls1 throttle cable?

jasonpickett

iTrader: (5)

Also has anyone tried the autokraft pan with the forward mount? I like the autokraft pan but will order the holley of I have to. Thanks.