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beetle_mark
Samba Member
Joined: September 20, 2012
Posts: 13
Location: caerphilly
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 Posted: Thu Sep 20, 2012 4:55 pm Post subject: Exhaust hot one side and cool the other |
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| Hello I am having a bit of trouble with my beetle just rebuilt engine fro av1300 to a 1600 the problem is running rough and the exhaust is boiling hot on the left and a lot cooler on the right .I have checked the tappets all ok have done a compression test all are about the same 110 new leads and plugs fitted point ok new dizzy cap rotor arm any idea's will be most welcome thanx |
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vinbeetle
Samba Member
Joined: July 13, 2012
Posts: 152
Location: crandall GA
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| Posted: Thu Sep 20, 2012 5:33 pm Post subject: |
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| you have a fresh rebuilt and only have 110 psi?? |
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OLD VW NUT
Samba Member
Joined: February 23, 2011
Posts: 2776
Location: High Desert of Washington 98823
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| Posted: Thu Sep 20, 2012 6:35 pm Post subject: |
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Make sure you have the plug wires running to the right cylinder. Check for vacuum leaks.
_________________
71 Ghia Coupe - stock body - no rust! Powered by a 2110 W/Dual HPMX 44's - Rancho Pro Street Transaxle - A/C by Gilmore
Other car - 2013 VW Golf TDI |
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beetle_mark
Samba Member
Joined: September 20, 2012
Posts: 13
Location: caerphilly
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| Posted: Sat Mar 02, 2013 3:55 pm Post subject: |
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| what sould the compression be for a new build 1600 twin port |
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HRVW
Samba Member
Joined: May 01, 2011
Posts: 2531
Location: Rosarito, Mexico
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| Posted: Sat Mar 02, 2013 10:19 pm Post subject: |
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 1200/40 hp,1300,1500,1600cc all avg 125 lbs with NEW Pistons/cyls. |
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jlex
Samba Member
Joined: January 23, 2009
Posts: 2902
Location: NW Pennsylvania
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| Posted: Sun Mar 03, 2013 6:18 am Post subject: |
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Maybe it's TOO new & rings aren't well seated yet. At 110, don't worry about it.
Re the heat riser: the one to the right (at least on mine) will be searing hot and the left one, while hot, isn't nearly as bad. Yours is probably OK.
Put a timing light on it & see how it reads.
Engine may be rebuilt, but if carb's dirty it'll run like crap.
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jlex.
'70 std. "Elsie"
'88 Carrera |
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andk5591
Samba Member
Joined: August 29, 2005
Posts: 16770
Location: State College, PA
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| Posted: Sun Mar 03, 2013 6:55 am Post subject: |
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There was a recent post and have had similar experience - check for vac leaks at the cool side. INtake boots, manifold to head.
_________________
D-Dubya Manx clone - 63 Short pan,1914.
Rosie 65 bug - My mostly stock daily driver.
Woodie 69 VW woodie (Hot VWs 7/12).
"John's car" 64 VW woodie - The first ever
Maxine 61 Cal-look bug - Cindy's daily driver.
Max - 73 standard Beetle hearse project - For sale
66 bug project - Real patina & Suby conversion
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andk5591
Samba Member
Joined: August 29, 2005
Posts: 16770
Location: State College, PA
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| Posted: Sun Mar 03, 2013 7:33 pm Post subject: |
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and dont freak on the compression until you get a few miles on it. Rings can take 500-1000 miles to really seat well. I just did new pistons and cylinders on a 1600 and its in the same neighborhood, only have driven it a couple miles though.
_________________
D-Dubya Manx clone - 63 Short pan,1914.
Rosie 65 bug - My mostly stock daily driver.
Woodie 69 VW woodie (Hot VWs 7/12).
"John's car" 64 VW woodie - The first ever
Maxine 61 Cal-look bug - Cindy's daily driver.
Max - 73 standard Beetle hearse project - For sale
66 bug project - Real patina & Suby conversion
There's more, but not keeping them... |
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