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1970 Chevy Monte Carlo no more balls?

Tiny
ANDYBARTH
  • MEMBER
  • 1970 CHEVROLET MONTE CARLO
  • V8
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
I RECENTLY PURCHASED A 600 CFM W\ INTAKE COMBO. AFTER I PUT IT ON I PUT AN HEI DISTRIBUTOR ON AND I THINK I GOT IT TIMED CORRECTLY!? TOP DEAD CENTER AND ALL THAT NEW TIMING CHAIN... I TOOK OF TURNING THE TIERS OVER FOR THE FIRST TIME SINCE I HAD IT...I DROVE BOUT 1 MI THE ALL OF A SUDDEN I HAD NO POWER..LIKE 35 TOPS! THEN WE WAITED A WHILE MESSED WITH THE TIMING AGAIN...TOOK OFF LIKE IT DID BEFORE THEN AGAIN 1 MI DOWN THE ROAD 35 TOPS!! ANY SUGGESTIONS OF WHAT COULD BE WRONG? IM SPENT! THANKS!!!http://www.2carpros.com/forum/automotive_pictures/204967_monte_4_1.jpg
http://www.2carpros.com/forum/automotive_pictures/204967_monte_4_1.jpg
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Sunday, June 22nd, 2008 AT 5:12 PM

10 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Fuel pressure and ignition timing checked out-concentrate on the transmission-could be a problem with the vacuum modulator-
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Sunday, June 22nd, 2008 AT 5:31 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Souds like you installed a shaky distrbutor, try putting the old point distrib back in and see if it goes!
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Sunday, June 22nd, 2008 AT 5:32 PM
Tiny
ANDYBARTH
  • MEMBER
  • 5 POSTS
YEAH THE FUEL PRESSURE IS SET AT 6-6.5LBS AND I BELIEVE THE TIMING IT IS 4 DEG. OUT BUT HONESTLY DONT KNOW THE FIRST THING ABOUT A TRANY! HOW WOULD I GO ABOUT CHECKING THAT..I AM PULLING IT OUT ANYWAYS TO REPLACE THE FLEX PLATE AND TORQUE CONVERTER. AND THANKS FOR YOUR HELP!https://www.2carpros.com/forum/automotive_pictures/204967_monte_001_1.jpg
https://www.2carpros.com/forum/automotive_pictures/204967_monte_001_1.jpg
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Sunday, June 22nd, 2008 AT 9:39 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
How did it run b4 all your modifications?
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Monday, June 23rd, 2008 AT 2:09 AM
Tiny
ANDYBARTH
  • MEMBER
  • 5 POSTS
WELL IT ONLY HAD A 1 BARREL ON IT AND THE FUEL LINES HAD RUST IN THEM BUT IT WOULD GO AND HAD POWER BUT AS MUCH AS A 1 BARREL COULD HAVE I GUESS. THATS WHY I DONT UNDERSTAND? I FIGURED IF I JUST UPED IT TO A 4 WITH A NEW INTAKE IT WOULD BE SWEET. THEN I FIGURED THE PROBLEM WAS NOT ENOUGH SPARK SO I PUT A HEI DISTRIBUTOR ON. SAME THING. SHOULD I DO A COMPRESSION TEST ON IT OR MAYBE AJUST THE VALVES. BUT IF SO WHY WOULD IT LET ME TAKE IT OUT AND BURN EM OFF THEN DO THAT. THEN AJUST THE TIMING. BE ABLE TO BURN EM OFF THEN AGAIN DO THE SAME THING. AGAIN THANX FOR YOUR HELP!
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Monday, June 23rd, 2008 AT 8:15 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Lets narrow it down, does it feel like a shifting problem, or a fuel problem? Does tranny wind up and not shift? Or is it fuel starved? The floats may need adjustment.
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Tuesday, June 24th, 2008 AT 2:32 AM
Tiny
ANDYBARTH
  • MEMBER
  • 5 POSTS
It does wait to shift more than what I would think it should and it shifts hard but goes through all the gears.I did what the carb instructions said for the fuel and air mix but that doesnt guarentee its right?
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Tuesday, June 24th, 2008 AT 7:25 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
And your detent cable from the carb to tranny? Is that set up so it kicks down when you stomp on the gas? This could be a part of the shift problem. If not set up right you will have low power on uphill climbing and getting on it when already moving, no downshift. If you belive the carb is set up right, and there is a lack of power, try getting another carb, yours could be defective. Your carb's gas pump is moving on acceleration?
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Wednesday, June 25th, 2008 AT 3:45 PM
Tiny
ANDYBARTH
  • MEMBER
  • 5 POSTS
Kickdown is not hooked up!But its not when I tromp on the gas that I dont have power. Its like the power just goes away after bout a mile. But ill try the new carb and get back with you. Thanx for the help!
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Wednesday, June 25th, 2008 AT 8:42 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Hook up the kick down too. It is imprtant, thats why it's there!
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Thursday, June 26th, 2008 AT 2:25 AM

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