Hey guys i started up my engine and it is backfiring, what causes
Backfiring and How do I solve it? It's a 40hp 1200.
Cheers
vwbugsrule Slammed & Awesome Dubber
84 posts · joined Feb 2011 ·
Backfiring
pod i`ve got to finish this thing one day
4,980 posts · joined Dec 2003 ·
timings wrong,have you tried moving dizzy around whilst its being cranked over?
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All Welcome
http://www.flatfour.org/
and on Facebook https://www.facebook.com/FlatFour
vwbugsrule Slammed & Awesome Dubber
84 posts · joined Feb 2011 ·
nah i have not tried that. Where should i set the timing for my 40hp (big dizzy) ?
vvwbeetle Officially Full-On Dubber
234 posts · joined Apr 2011 ·
Also check your exhaust for a leak
turboty Officially Full-On Dubber
208 posts · joined Jul 2012 ·
yep.... i just busted my exhaust and is now sounding like a wrx... but back fires massively on the down gear!!! sounds good and is fun to drive but prob not good for her...vvwbeetle wrote:Also check your exhaust for a leak
just because its a kit car... doesnt mean its not a vw!
68AutoBug Beetle Restorer - Experience over 138\% - YIKES --
11,654 posts · joined Aug 2002 ·
not timed correctly... [distributor]vwbugsrule wrote:Hey guys i started up my engine and it is backfiring, what causes
Backfiring and How do I solve it? It's a 40hp 1200.
Cheers
or a leak in the exhaust [very common]
VWs do not like any little air leaks in the exhaust or inlet..
one small hole somewhere will do it...
You can use Silastic brand silicone on all the exhaust gaskets
to make sure of no leaks... it handles the heat with no problems.
LEE
- Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY---
bajachris88 The international telephone dialing code for Antarctica is 6
6,661 posts · joined Apr 2005 ·
if backfiring on deceleration, can also be the result of running lean. You can hear it even on modern cars with uprated exhaust, that 'gurgle' and popping out the exhaust.
check points gap too when doing dissy timing, as the points wear, the gap only marginally changes which will put your timing out substantially. Do points first, then timing, otherwise you'll have to redo your timing, after doing points.
check points gap too when doing dissy timing, as the points wear, the gap only marginally changes which will put your timing out substantially. Do points first, then timing, otherwise you'll have to redo your timing, after doing points.
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69' baja: kombi box, thing spindles, irs, disc front, type 3 rear drums, 2 inch lift kit, 31x10 rears. 👍
New engine in process: 94mm p&bs, 74mm C/w chomol Crank, 35.5x39 SP heads, turbo. Wierd combo, hopeful torque monsta!
69' baja: kombi box, thing spindles, irs, disc front, type 3 rear drums, 2 inch lift kit, 31x10 rears. 👍
New engine in process: 94mm p&bs, 74mm C/w chomol Crank, 35.5x39 SP heads, turbo. Wierd combo, hopeful torque monsta!