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  1. Holley 4 barrel fuel diaphragm question

    Classic Tech
    Hey guys have a question about a Holley carb I was rebuilding for my '68. This is the first Holley I've ever messed with. I bought it used and it was all intact and in really really good shape and had a brand new electric choke put on it. (Only paid $20 for it too!) I got it home and started...
  2. 2bbl to 4bbl

    Classic Tech
    Ok guys, I have a 1968 Mustang with a freshly rebuilt 289. Problem is, it has a 2bbl carb and produces crappy power. I want to upgrade to a 4bbl carb. My questions are 1. Do i need to replace valves?...2. Suggestions on carb size and manufacturer? 3. Intake preferences? 4. Since I am already...
  3. This "popping" has me stumped. Any help? Been an all summer thing.

    Classic Tech
    So I posted on here about a month ago about my 1968 Mustang with a rebuilt 302 in it. I've rebuilt the carb twice. New distributor, new pertronix ignitor (my problem was still there with the points) new cap and rotor. Already did a compression test. Did the spraying around the intake for...
  4. '68 Mustang simple carb question.

    Classic Talk
    So I have a '68 with a '72 302 in it. I've already got it bored out and all that good stuff. It has a 2bbl on it but I want to put a 4 on it. I'm not one for using junk, but in a yard nearby there are actually a lot of older motors in really good shape. People there have common sense and...
  5. Carburetor crackling sounds

    Classic Tech
    Hey everyone, I just made a similar post but I thought I'd start one slightly more relevant to the problem. My Autolite 1100 is making a really loud crackling noise at idle. You can hear it even with the air cleaner on. It sounds like someone is sucking up fluid with a straw, but a lot louder...
  6. 2000 mustang efi to carb switch

    V6 Tech
    I'm picking up a 2000 mustang 3.8 tomorrow and i have a 351w I wanna put in it carborated. Ive done it before with a 95 but I had the engine light on. the new emissions test where i live reads the computer instead of the exhaust sniffer. I know alot of guys will think im crazy for pulling the...
  7. New old guy

    Hey everybody! Have been reading your stuff for years but finally joined so I can get some personal answers for questions. I have 2 girls in GT's. They do race often but do drive on the street. The 19 yr old has a 1994 5.0 and AODE, mildly built and sprays a 125 shot. The 17 yr old has a...
  8. 1965 6 cylinder - can anyone identify this carburetor?

    Classic Tech
    Having a hard time finding answers to this online.. This carburetor was in my 1965 6 cylinder mustang coupe project car when I bought it. Anyone know what it is? And should I replace / rebuild / leave it?
  9. NOS Direct Port stock 302

    5.0L Tech
    i have a stock 302 with GT40 and air gap rpm intake. can use 175 hp of nos on 8 direct port (8 fogger) on the air gap? 175 hp / 8 ports = 22hp for each fogger? or how? i know i can use the carb plate, but look better the intake with 8 fogger :3 what jetts need for 22 hp? (for each fogger)
  10. 65 mustang popping sound thru carb

    Classic Tech
    Hello All: let me first thank everyone in this forum and learned a lot from it. I am having trouble with my freshly, professionally rebuilt engine. 289, 2 Bl carb, autolite 2100 ( freshly rebuilt ), timing now at 12 degrees BTC ( i tried anywhere between 6 to 12 degrees with vacuum off and...
  11. 302 backfires, puffing out of carb idles rough then dies.

    Classic Tech
    Alright so I have a 68 mustang with a 302 in it. I had been having some fuel problems so I replaced everything. Lines, fuel pump etc. Only thing I hadn't done was the carb. Drove it about 20 miles away at 60-65 all the way. Then brought it right back home. Didn't hesitate or anything. No...
  12. '68 302. Clear inline fuel filter bone dry after driving and kills motor.

    Classic Tech
    Alright so it was a nice day today so I decided to take my '68 out for a cruise. I drove it to the gas station which is 10 miles from where I live and it ran kinda sluggish. And it only has run like this when I get between 55-60. Sometimes it comes out of it. Sometimes it doesn't. After I got...
  13. 1966 I6 200 Dying When Gas Pedal is Pushed

    Classic Tech
    I'm new the forum and until I started a rebuild of my grandmother's '66 Mustang in October I had never even changed oil on a car. Here's my problem with some details as well as things we have tried so far. The car sat for almost 30 years in a garage The engine has had a partial rebuild Fuel...
  14. Edelbrock Carb Problem

    Classic Tech
    Hey all, Today I installed a Performer RPM and a Edelbrock 600cfm electric choke carb on a 351w. I got the distributor dialed in and adjust the carb well and the engine was running great. I took the car out and the car felt strong and then all of a sudden the engine quits. I pulled over and...
  15. Hood Clearance Question

    Classic Tech
    Hey all, I am installing a new Edelbrock Performer intake and Edelbrock 600cfm carb on top of a 351w in a 1965 mustang. The hood is one of those eleanor style hoods but underneath doesn't really seem to provide much more space than the stock hood. My question is: before I install this...
  16. 65 Coupe Having trouble starting in cold

    Classic Tech
    I have a 65 coupe with a 1970 model 250 ci straight 6 in the past couple of days I have put a manual choke on it. it seems to be having more and more trouble starting up. it was never this hard to start before I put the choke on it. in fact I killed the battery trying to start it this morning...
  17. Edelbrock 600cfm and Performer Intake 351w Question

    Classic Tech
    Hey all, Just wondering how much power gain (not expecting anything crazy, was just curious) I should expect from swapping the stock 2 barrel and stock intake to an Edelbrock 600 cfm 4 barrel and Performer Intake? Car has Flowmaster dual exhausts, electronic ignition, and hooker headers, and...
  18. Cant figure out my 1850-3 Holley problems :(

    Classic Tech
    Hey guys, I got a rebuilt 302 with a 1850 - 3 holley carburetor that came with the car when i bought it. (before the engine was rebuilt). I'm having trouble tuning this carburetor. I have read a few threads and they say that these carburetors are only for specific types of engines, does this...
  19. 1968 ford mustang keeps stalling ?

    Classic Tech
    Hello there. I am new to allfordmustangs,and wondering if someone can help me. I have a 1968 ford mustang fastback.the engine starts and will run if I hold the revs over 1000rpm.but I leave it to idle on its own it will stall? How do I over come this problem ? It has a 2 barrel carb with a 2...
  20. 88 Mustang Carb back to Efi

    5.0L Tech
    So, The reverse has been covered a million times but, im not a mechanic so i wanted to get some clarity on what would be involved and what the best route might be. I picked up an 88 gt donor car with a good running motor so i should have all the parts i need but, what should be replaced with...