Not Chevy question but Ford question - Team Camaro Tech
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post #1 of 8 (permalink) Old Mar 20th, 13, 05:25 PM Thread Starter
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Not Chevy question but Ford question

To begin with I own 68 camaro and bleed chevy orange. My friend has 66 mustang (one of many cars) that is a 289 271 hp automatic dual exhaust cast iron exhaust manifold holley aluminum intake with 1.5 spacer and holley 700 cfm double pump mechanical secondaries. The car idles high and rough. When you get out on the highway it runs much smoother. He has taken the car to mechanics and they have adjusted the carb, he saw some improvement but he was not satisfied. So he has asked me to look at it. My first thought was to check if there any vacuum leaks and see if I can adjust the carb to make it run better. But what I believe is the true problem is that the carb is two big and spacer is only making things worse. Understand that he is not really interest in top performance but more interest in smooth running car. I was thinking of getting a holley 600 cfm with vacuum secondaries is this the way to go?
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post #2 of 8 (permalink) Old Mar 20th, 13, 06:04 PM
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Re: Not Chevy question but Ford question

I think you're onto it. A 600 is more than enough for a fairly stock 289. I ran an old 1850 that probaby fell out of a tree for a long time on a mild 325hp 355ci and it did just fine.

'69 Camaro
Dart 400-AFR 195-224/224 HR-Powerjection III TB with F.A.S.T. Sportsman XFI
TKO 600-Moser 3.42-Detroit Truetrac
500hp/538lbft

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'69 Camaro Beater-SFT 327-M20-Moser 4.10-sold
'02 Z/28 vert-stock-sold and totaled
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post #3 of 8 (permalink) Old Mar 20th, 13, 06:06 PM Thread Starter
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Re: Not Chevy question but Ford question

Thank you I thougth the 700 and spacer was overkill.
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post #4 of 8 (permalink) Old Mar 20th, 13, 06:21 PM
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Re: Not Chevy question but Ford question

One more thing, if that intake happens to be a single plane it just makes over-carbing it that much more miserable.

'69 Camaro
Dart 400-AFR 195-224/224 HR-Powerjection III TB with F.A.S.T. Sportsman XFI
TKO 600-Moser 3.42-Detroit Truetrac
500hp/538lbft

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'69 Camaro Beater-SFT 327-M20-Moser 4.10-sold
'02 Z/28 vert-stock-sold and totaled
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post #5 of 8 (permalink) Old Mar 21st, 13, 04:17 AM Thread Starter
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Re: Not Chevy question but Ford question

I need to check that out as well I can't remember which Holly intake it was.
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post #6 of 8 (permalink) Old Mar 21st, 13, 02:24 PM
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Re: Not Chevy question but Ford question

I'd double check for a vacuum leak....Use some ether around the intake,hoses,carb base,ect. I think you'll find a crack ?
Even a carb too big should idle OK...not like it's got a Dominator on it.
I'd also recheck TDC on #1 cylinder Vs. the balancer mark and timing.

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1.54 60'--6.95 @ 98.45 660'--10.96 @ 121.53
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post #7 of 8 (permalink) Old Mar 21st, 13, 02:38 PM
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Re: Not Chevy question but Ford question

I think he needs a Chevy engine in it. That seems to solve all problems with Fords.
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post #8 of 8 (permalink) Old Mar 21st, 13, 02:58 PM Thread Starter
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Re: Not Chevy question but Ford question

I hope he doesn't have a crack. but I was going to check for cracks first I was going to use propane but I can use ether.

Thank you Doug

I don't think I can talk him into putting a chevy in his mustang, I did tell him that he should sell it and buy a big block camaro with hideaways

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