Bugs older then 1972 no louvers on rear deck lid 73 and up do ?

[nextgen]

I have been selling magnetic covers for bug louvers and have been warning customers NOT FOR A RUNNNG ENGINE. Covering my rear end in case some one forgets to take it off.

A few of the guys came up with a good question, bugs earlier then 72 did not have rear deck louvers and did not have any problems. Engines were 1600cc just like later engines. 73 was the year (may be wrong ) that had duel port heads, a bit more power.

Sure more air is better but why so many years later after the 1500 and 1600 came out. Heck of a lot of engines did not have louvers and lasted a long time.
_________________
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The TYPE IV UPRIGHT CONVERSION MANUAL
BEETLE MAGNETIC DEFLECTOR SHIELDS
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[VW_Jimbo]

Early convertibles had 2 openings for louvers.

1970 had 2 openings for louvers, because of the single port 1600 that was introduced.

1971 same thing.

1972 The doghouse oil cooler was introduced and thus required more air, hence 4 sets of louvers.

1973 and on - 4 sets!
_________________
Jimbo

There is never enough time to do it right the first time, but all the time necessary the second time!

[volksworld]

yes...larger fan in the doghouse setup needed more air...as well as increasing emissions controls with leaner mixtures and different advance curves causing the newer engines to run hotter...certain Cali cars even had another air inlet behind the license plate to deal with their specs....saying that earlier cars had no problems is pretty funny...countless pulled studs and dropped #3 exhaust valves proved otherwise and is the reason for first trying 2 extra louvers then finally the doghouse and 8mm studs being introduced

[VW_Jimbo]

[nextgen]

Wow so now it all sounds logical. Especially the doghouse needing more air. The bugs birthday was a week ago if I am no mistaken and it is 83 years old. Amazing that we are still trying to under how it works.


Thanks
_________________
email: [email protected]
The TYPE IV UPRIGHT CONVERSION MANUAL
BEETLE MAGNETIC DEFLECTOR SHIELDS
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[67rustavenger]

Ok. This louver, more air, doghouse fan blah, blah, blah... question comes up from time to time.

I have a 67, I know wrong forum. But my point is, I have ran my DH cooled 1679, 2180 with the decklid closed and no extra decklid louvers.
Without overheating the engine.
I even drag raced the 2180 with the decklid closed and didn't have any ill affect.

That said, I'm building a 2276 turbo. So it may now need the extra cooling air.
I have a 67 vert decklid with the 4 louver vents.

Joe, do you have the magnet covers for 2, 4 vane louvers like a 70 would have had?
_________________
I have learned over the years.
Cheap parts are gonna disappoint you.
Buy Once, Cry Once!

There's never enough time to do it right the first time. But there's always enough time to do it thrice.
GFY's Xevin and VW_Jimbo!
2003 Astrovan? GFYS again, Xevin!
Don't let your bad ideas remain, ideas!

[nextgen]

Hi 67

I sure do email me (See my email address below ) and I will we can talk and give the pricing with
Free Shipping


Beetle Magnetic Deflector Shield B.M.D.S
Part Numbers:

BMDS - 1 REAR DECK LID GRILLE 1970 - Till end of production $25

BMDS - 2 FRONT WINDOW GRILLE 1968 - Till end of production $18

BMDS -3 REAR WINDOW GRILLE 1958 - Till end of production $25

BMDS -4 SHIELD KIT - ALL 3 SHIELDS 1 - 2 & 3 $45

FREE --- PRIORITY SHIPPING - FOR EACH and the 3 SHIELD KIT
Please note: Free shipping only in the U.S.A
_________________
email: [email protected]
The TYPE IV UPRIGHT CONVERSION MANUAL
BEETLE MAGNETIC DEFLECTOR SHIELDS
LETS TALK DUBS https://www.youtube.com/results?search_query=joe+cali+ghia https://letstalkdubs.libsyn.com/ep-200-joe-cali-ty...qI3xJTCzjs

[neil68]

1300 DP Beetles in Europe had the solid deck lid well into the 70’s.
_________________
Neil.

Der Kleiner Rennwagens
‘68 Beetle 2332 cc, 204 WHP
12.5 seconds @ 108 mph
Dynojet Test: https://www.youtube.com/watch?v=M9B_H3eklAo

[nextgen]

Wow! Neil, thanks,
I should have added to my Disclaimer, something like. ( In different
countries there may be exceptions to years of beetles that were made with rear deck louvers ).

Actually a 1300 cc bug dual port, should run even cooler seeing that the 1600 dual port bugs, most likely put out more heat..

I have run into a bug convertible with the same over all louver area that my deck shield fits over , except it was made with out 4 louvers in the middle. The shield just covered the area were the missing 4 would have been.
_________________
email: [email protected]
The TYPE IV UPRIGHT CONVERSION MANUAL
BEETLE MAGNETIC DEFLECTOR SHIELDS
LETS TALK DUBS https://www.youtube.com/results?search_query=joe+cali+ghia https://letstalkdubs.libsyn.com/ep-200-joe-cali-ty...qI3xJTCzjs

[irvanm]

My 70 has louvers.

[Cusser]

[volksworld]

1300s had much thicker cylinder walls and as a result the sealing surface to the head was wider...so the setup could handle more heat without distortion issues than the 1600...1300 lived on in Europe without issue while the 1600 was basically the equivalent of putting in a slip in big bore kit to hotrod the engine to try to keep up with large cubic inch american engines on our highways...and under those conditions with our additional emission requirements they needed additional cooling to stay together

[nextgen]

That is why I wrote THE TYPE IV UPRIGHT CONVERSION MANAUAL back in 1993

T-4's Are hardly working when pushing a light Bug. a 2.0 like mine rarely gets over 110f

BTW I just posted on my facebook site that i have over 100 Original copies of my manual and the master copy that survived an 80 story fall and fire at the Twin Towers WTC in a huge safe found after a month after the massive clean up. The safe was in then office of my printer. When he called me he said Joe you are not going to believe me. Not knowing I had printed 200 copies made with out the Spiral black binder and clear plastic Cover. Those parts were unavailable at that time. Still $29.95

_________________
email: [email protected]
The TYPE IV UPRIGHT CONVERSION MANUAL
BEETLE MAGNETIC DEFLECTOR SHIELDS
LETS TALK DUBS https://www.youtube.com/results?search_query=joe+cali+ghia https://letstalkdubs.libsyn.com/ep-200-joe-cali-ty...qI3xJTCzjs

[bnam]

[VW_Jimbo]

[Floating VW]

[Glenn]

If you have a large displacement engine and IDAs, you need air to get in.

I've seen the decklids get sucked down at WOT.
_________________
Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"

Member #1009

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עַם יִשְׂרָאֵל חַי

[stagewex]

My '73 Super: