Installing boxer style engines in upright models


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I have a 71 VW Pop top camper that has a standard 1600 engine in it and I was curious to know what I need to do in order to replace it with an 1800 engine (currently in a Porcshe 914). The 1800 is free to me through a friend and I'd like to take advantage of it. I'm curious to know if it will bolt onto the standard transaxle or not. Any help would be greatly appreciated.

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Capt. Mike

You are aware the 914 4-cylinder used a Type IV long block assembly purchased from VW? Thus it would be similar to changing to the '72 & up Type II engines. The difference is Porsche added their own plumbing & electronics.
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Capt. Mike

Transferred from another post to consolidate like topics.

71-73-75 engine to 68

Bootie Junior Member # 1528 posted 07-10-2001 11:22 PM

I have a 68 camper with a good body and no engine, I have a 71, 73 and 75 all with marginal bodies. I know the 71 engine would be a easy replacement but would prefer the 73 or 75. Is it possible to but this in the 68, the biggest problem I see is the tin.
VW Type 4 style engine transplant in 1968~71 VW Type 2

In Great Britain, the legendary Arthur Barraclough, whose British specification, 1970 VW "1600" Type 2 Devon campervan "Rosie" was displayed at VW Vanfest 1995, eventually transplanted a British specification, 1976~79 VW 2000 Type 2 engine, with factory-stock twin Solex carburettors and DIY starting-handle (starting-crank, in North American parlance) conversion, after suffering engine failure with three VW Type 1 style engines, during his trans-continental treks, in various parts of the World, in Europe and far beyond, totalling nearly 250,000 miles.

In correspondence I had with him, before his death in mid-1996, at the age of 82/83, he said that it was a tight squeeze, fitting the VW Type 4 style engine, between the more closely-spaced 1968~71 VW Type 2's longitudinal chassis members, plus modifying the engine-compartment perimeter to obtain a good air-seal, together with modifying the rear engine-support beam and associated chassis mounting brackets.

I am not sure which transaxle Arthur used, but I suspect he also transplanted a 1976~79 VW 2000 Type 2 transaxle as well. It is possible to mate a VW Type 4 style engine, to a 1968~79 VW 1600 Type 2 transaxle, but there are issues which need to be addressed; all of which are repeatedly discussed on The Samba forum:

(1) Support of the VW 1600 Type 2 transaxle's shorter input shaft, by the Type 4 engine's crankshaft or flywheel centre.

(2) The excessively large size of the VW 2000 Type 2 engine's flywheel & clutch combination, which either requires substitution of VW 2000 Type 2 transaxle clutch housing or substitution of the VW 17/1800 Type 2 flywheel & clutch combination.

Arthur's much-modified & upgraded campervan "Rosie", was bequeathed to the Peter Black Museum, in Yorkshire, but I have since been told that it was later bought by a member of the British, Volkswagen Type 2 Owner's Club, of which Arthur was an honorary life member.
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1974 VW "1800" Type 2, with 1980~83 VW 1600 Vanagon CT/CZ-series engine

This picture, of a 1980~83 VW 1600 Vanagon (i.e. T3 or Type 25), CT/CZ-series, air-cooled engine, installed in a British specification, 1974 VW "1800" Type 2 campervan, was originally featured in:

David Eccles, "Peaches & Dream", Volkswagen Camper & Commercial, Issue 5, Winter 2001, pages 6~9.


Note the following interesting features:

The engine's associated coverplates, appear to be fully compatible with the vehicle's engine-bay perimeter.

Engine cooling-fan housing, similar in concept, to the VW Type 3 & 4 engines.

The heating & demisting system booster fan (directly driven by the alternator shaft), independent of the engine-cooling fan, whose inlet could be connected via a shaped, rigid duct and flexible spiral-reinforced hose, to the passenger compartment, in order to recirculate warm air, through the exhaust heat exchangers. Similar considerations also apply, to transplanting a 1980~83 VW 2000 Vanagon (i.e. T3 or Type 25) air-cooled engine.

Crankcase with cast-in oil-filter mount (not visible in the above picture) of identical pattern to that of the 1983~92 VW 19/2100 VW Vanagon, water-cooled, flat-four engines.

Single, central carburettor, with an inlet-manifold, exhaust pre-heating facility (not visible in the above picture), identical in concept to that of the VW Type 1 engines.

The inlet manifold, beneath the carburettor, of the later water-cooled flat-four engines, with single carburettor, instead features a self-regulating, electrically-heated "hedgehog".

The specific link to the Volkswagen Audi Gevaert on-line catalogue page, for the 1980~83 VW 1600 Vanagon (i.e. T3 or Type 25) inlet manifold, with exhaust-gas preheater pipe connections (described on the website as: SUCTION PIPE / INTAKE CONNECTION / 1.6ltr. / CT,CZ ), is as follows, but note that in order to view it, one must log into the website, as a registered user:

For those of you who are not acquainted, with the 1980~83 VW 1600 Vanagon (i.e. T3 or Type 25), CT/CZ-series, air-cooled engine, the following two links give more detailed descriptions and illustrations:

For more durable, VW Type 1 & 3 style and 1980~83 VW 1600 Vanagon air-cooled engines, one can adapt the 68•9 mm or 76•0 mm stroke crankshafts, with matching connecting rods and 5-bolt flywheels, from the 1983~92 VW 19/2100 Vanagon (i.e. T3 or Type 25), 1913 cc or 2109 cc, water-cooled, flat-4 petrol engines, which fundamentally, were merely a further development, of the VW Type 1 Beetle style and 1980~83 VW 1600 Vanagon, air-cooled engines. In addition to the stronger 5-bolt flywheel attachment, the crankshaft has larger bearing journals and extra webbing, which reduces crankshaft whip.

Although it is rumoured that bearing sets for the water-cooled, flat-four petrol engines, are hard to obtain in the USA, I believe they are readily obtainable in Great Britain & Europe. The early-model 1913 cm² engine has a 215 mm diameter clutch, whilst the 2109 cm² & late-model 1913 cm² engines, have a 228 mm diameter clutch respectively, so these are likely to be subject to the same clutch-housing clearance requirements, as the 1968~79 VW 1600 Type 2, 1972~75 VW 17/1800 Type 2 and 1976~79 VW 2000 Type 2 engines.


This picture of a 1983~92 VW 19/2100 Vanagon, water-cooled, flat-four engine crankshaft & flywheel in a VW Type 1 & Type 3 style or 1980~83 VW 1600 Vanagon engine, courtesy Laurie Pettitt.
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I know you can do a bseries but what other engines can be swapped in without a problem or what measurements would one check if wanting to swap any other engine in thank you

By the way, what car auctions services do you know? I recently investigated automotive auction. I encountered good pre-owned DODGE CHARGER 2009
. I'm pleased that i got vehicle history report before buying. It had burn - engine damage. Be secure and always run car history check free before buying.