John Burns

Thanks Doug- I sent a message to pacecarjeff! (Love this site! Two possible solutions for a crazy problem!)

Cool! Perfect- thanks!!

I was able to slip the 1 1/2" hose over the 1 3/4 outlet, but I know that will break much sooner than later. Unless I can find the right hose, I will get another hose with a 1 3/4 end and splice it with my existing hose. A short piece of steel 1 1/2 tubing at the splice is my plan- I'll hide the extra hose clamps under the plastic anti-collapse sleeve.

Thanks Doug, I am awaiting a response from Be Cool. Here is the radiator and it says 1 3/4" outlet. http://www.summitracing.com/parts/bci-17008/overview/ I wonder if a big block Chevelle has a 1 3/4" outlet and they assumed a Monte would too. I fear no one makes this hose though. I might have to get creative... again!

Hi all- I just purchased one of those stock-looking aluminum Be Cool radiators and the lower outlet is 1 3/4". Does anyone know if this is the standard outlet size for a "factory" big block radiator? The hose I have on the car is 1 1/2". I made it fit, but it is too stretched for my comfort. Will a hose specifically for a big block fit the 1 3/4" outlet? Thanks!

Nice! I disagree though that the 3.31 and 2200 converter are drag-unfriendly! Big blocks make gobs of torque low in the rpms- more converter and gear throws it away. My 454 w/3.31 / 2400 converter / 275/60-15 MT DRs has nipped the 11's with a 1.69 60'. That 502 was moving upstairs with that 114! Play around with your launch and get that short time down and you'll see a .7. What is the whole combination?

Awesome- congrats!

Completely agree. It is ridiculous. Maybe they are stuck between the continued damage to their reputation and just coming clean and admitting they are wrong. I bet a lawyer said "if you change the description, you'll open yourself up to lawsuits". I spent a lot of money on that first carb and then a lot of time trying to understand why my car wouldn't run with it... I've stuck with Holley, but this still leaves a bad taste. The Holley trailer tech guys cringe when you bring it up to them- which I have done on more that one occasion.

Sam, a little clarification on the Holley "950": you are correct that the 80496 (950 4150 HP) is really an 830 cfm carb. It has a 1.375 venturi and a 1.75 throttle blade. Holley also has the 80805 (950 Ultra HP) which is a completely different animal than the 4150 HP and does actually flow 950 cfm. It has a 1.59 venturi and a 1.75 throttle blade (even the info on the Holley site is friggen confusing). It is the "true 950 cfm" according to Holley. Funny how they don't say it is in reference to their own non-950 950! I have one of each... the Ultra is on my 540 and is awesome. The 4150 was bought about 10 years ago- slowed down the 540, and has been sitting in a box ever since. I recently found out it is supposed to be an excellent carb for 454s. I am going to try it eventually in my Monte.

If you go electric, you might want to consider this Aeromotive Stealth Fuel system: http://aeromotiveinc.com/products-page/new-products/18302-70-72-chevelle-and-70-monte-carlo/ Says it is good to 1000hp for a NA carb engine. Not cheap and definitely unconventional. It uses an in-tank pump with high pressure and a regulator that reduces the pressure down at the carb. The high pressure and return line keeps the heat-gremlins away and you don't need to run huge lines (-8AN). I have this on my 10-second Camaro and I love it.

Nice!!!

I have these on my Monte: http://www.summitracing.com/parts/mpe-14586/overview/ They are a little pricey, but they are nice. Quiet and they don't rob much power. Get the biggest mufflers you can fit under the car- this is 22" and it fits.

If that was my ride, I would go with a 3:31 gear- but changing gears in a 12 bolt is not easy at all. Even if you have all of the specialty tools, getting them "right" is not a straightforward thing. I'd find a mechanic you trust that has done it a few hundred times. Quieting the exhaust is easy and relatively cheap, but the absolute first thing I would do is get rid of the manual valve body. (I've never understood a manual vb- it isn't "reverse" is it? Why shift if you don't have to? You can always shift an automatic if you really want to.) Do those things and then see how if the converter is too annoying. B&M's 2400 is inexpensive and they work very well.

Dang... these 950HPs have huge jets out of the box: Primary Jet Size: 92 Primary Power Valve: 4.5 Secondary Jet Size: 92 Secondary Power Valve: 4.5 As much fuel here as most of the biggest dominators. Crazy

Scott- I think you are talking about a thread I started. The pressure regulator is a cheap, quick way to reduce the twitchy feeling. It does make a nice difference. That said, really the best thing to do is to get it aligned with as much caster as possible. You want to find someone that knows what they are doing, not a "toe and go" shop! Here is the kit- http://www.summitracing.com/parts/BRG-899001/ It is really easy to install.

Hijacked in the best way! I too have always just dialed a carb in by feel and the rare trip to the track. Are these wideband O2 sensors worth the effort & cost? Is there a sensor set up that anyone would recommend?

THAT.WAS.AWESOME! I put it on full screen and turned up the sound!

Can I send the car to you to dial it in at the track for me? I know, I just need to make the time to do that properly. My biggest concern was that it had to stay fun to drive on the street. I am amazed at how little I needed to do to dial it in for that. But it has always gnawed at me that my Frankenstein 850 was limiting the car at the track. Although I have severely limited the car's potential to put up big numbers in many ways, at least I think I have the right hardware on top of the motor now!

I'm getting at least 8 gallons to the mile now! And I'm desperately trying to shift the thamn ding at 6500, but it gets to 7000 much faster than I can anticipate yet. Time to touch up the trans probably, but the 850 got me well into the 10's, so this can't hurt!

It feels awesome- it felt awesome before with the 850, but I think this motor will really enjoy the extra 100cfm. I need a trip to the track!

Holley's Ultra HP 950- true 950 cfm. A very sweet carb!

Tru-Trac X4! I am not kind to mine and it has held up for years.

Sorry, I just saw this movie... this scene jumped out at me: (I have thousand$ of N20 stuff sitting on the shelf...and a 540 under the hood! )

Mike- are you still running a mechanical fuel pump?

Sweet! Those AFRs are working!