Folks, I decided to finally sign up to see if anyone has recommendations on improving the power for my 350.

I've spent countless hours researching online over the past year and several thousands on parts and my car is still kind of sluggish IMO.

I have a hard time seeing my 350 producing much more than 300 horsepower. The below is what is on it:

• original stock block with 65,000 miles
• Crower 60916 camshaft with hydraulic lifters
• Kaufmann KRE 65 cc D-port heads- they are supposed to be milled down further to get compression around 10.1-10.5 but I never confirmed it was actually done. Valves are 2.00/1.66
• 1.65 roller rockers
• Edelbrock RPM Performer intake manifold
• Hooker headers with 2.5" Pypes exhaust system
• 600 cfm double barrel Holley carb (I tried putting a 750 double pumper and it was bogging down the engine)

Any idea of what I can look at that may be wrong with this set up? Or what upgrade I should do to get this thing to over 350 horsepower?

I was expecting some decent power but boy this thing is kind of a dog. I have a hard time seeing it do less than 15 seconds in the quarter mile but I haven't tested yet. When I asked Kaufmann what kind of power he thinks it can produce, he said I may be around 375-400 hp.

Hello,

Any recommendations on a good fuel filter for my 67 Firebird 400? Not concerned about looks, just as long as it's a good fuel filter, thanks!

1967 Pontiac Firebird Coupe Blue RWD Manual 326 H.O. On Ebay

https://www.ebay.com/itm/236080138622?

Only if they had the racing in Arizona like they did years ago. But its all in CA

The #48 heads are the only thing that really make it a 350 HO. other than that its just semantics.

PM if interested
[img]https://firstgenfirebird.org/forums/ubbthreads.php/ubb/download/Number/20980/filename/IMG_4778.jpeg[/img]

I am also looking for a set! Someone please help us!

That’s good info. I’ll reach out to him and see if he can get me more details. Thank you

I’m looking for the reverse lock-out rods for a 69 with auto on floor. Apparently no one repops them

I went with the RA manifolds also.

not really racing car to need headers. Was looking for something that gave a little boost and some "cool" factor points.

They work well with 400 that is pushing around 420-430hp.

If the other 2 cars are still available I would be super interested in talking to you about them!! I would love the opportunity to take over steward for your beautiful birds!!!

Kind regards,

Eddie

I know it takes a Quadrajet, but the right one would be pretty hard to find. The SPRINT cam I believe is available. In Smoke Signals I see there is an OHC chapter. I'm sure they could provide parts or point one in the right direction. I actually miss my OHC engine. It made a lot of power for a 250. The light weight let the Firebird handle like a champ.

I found a 2 b. in my storage of parts, #7028062, I believe it was off a 68, maybe a 350. ? Linkages r frozen. It’s still mounted to the intake. If any interest . Near Madison Wi.

Nice work, I prefer manuals. Isn't that a '67 console? It takes the chrome and black insert. The '68 and '69 were the full length wood grain with the oval shifter hole. I don't think they interchange.

Fixed ! Your suggestion led me down the right path. Voltage Regulator... Thank you.

Hey everyone,
I am looking for a 1968 firebird side marker light back plate. Anyone got one?


[img]https://firstgenfirebird.org/forums/ubbthreads.php/ubb/download/Number/20967/filename/firebird back light plate.jpeg[/img]