4-2-1 Exhaust manifold

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spiderrey
Posts: 2623
Joined: Sat Jan 28, 2006 2:08 pm
Your car is a: 70 124 spider-74x19-03 ranger edge
Location: San Dimas, Ca

4-2-1 Exhaust manifold

Post by spiderrey »

How do you tell the difference between a 1438 and a 1608 manifold?
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BEEK
Posts: 1833
Joined: Wed Mar 24, 2010 10:45 pm
Your car is a: 1975 Spider
Location: clermont fl

Re: 4-2-1 Exhaust manifold

Post by BEEK »

the internal diameter on a 1438 is smaller, i am sure there is a different casting number as well, i just do not have a 1608 handy, sorry
Automotive Service Technology Instructor (34 year Fiat mechanic)
75 spider , 6 Lancia Scorpions, 2018 Abarth Spider, 500X wifes, 500L 3 82 Zagatos. 82 spider 34k original miles, 83 pininfarina, 8 fiat spider parts cars
son has 78 spider
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WYSpider

Re: 4-2-1 Exhaust manifold

Post by WYSpider »

According to Brad Artigue's "Fiat 124 Spider Engine Maintenance & Modification" (pg 65).

4151276 is a 1438.
4166429 is for a 1608.
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spiderrey
Posts: 2623
Joined: Sat Jan 28, 2006 2:08 pm
Your car is a: 70 124 spider-74x19-03 ranger edge
Location: San Dimas, Ca

Re: 4-2-1 Exhaust manifold

Post by spiderrey »

Thanx for the info guys. Now I know what I have. Ill clean it up and put it away as I dont see any use for ir right now. I was hoping it was a 1608 setup.
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bradartigue
Posts: 2183
Joined: Thu Sep 20, 2007 2:35 pm
Your car is a: 1970 Sport Spider
Location: Atlanta, GA

Re: 4-2-1 Exhaust manifold

Post by bradartigue »

spiderrey wrote:Thanx for the info guys. Now I know what I have. Ill clean it up and put it away as I dont see any use for ir right now. I was hoping it was a 1608 setup.

Good move it is 30% smaller than the 1608. >CHOKE<
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