Weber IDA Carbs and Manifolds

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Click here for IDA Jets and Emulsion Tubes

 

48mm IDA
Part Number:
C-WEBER-48IDA
Carb Only

The last few we've looked at were supplied by Weber with: 37mm chokes, F7 Tubes with 120 Air, 135 main (fuel) jets, .200 float needles, 120 Idle Holders, 70F10 Idles, "0" pump bypass+ Ram Stacks as shown. We can not guarantee that Weber does not change this "standard" jetting setup at any time.
These 48 IDA carbs have been modified with additional progression holes to reduce off idle bog common on rotary engines with IDA carbs.
51mm IDA
Part Number:
16602
Carb has been bored out to 51mm
(retains the normal auxiliary venturis)

Supplied with: 51mm ram stacks, 43mm chokes, F8 tubes, 235 mains, 130 airs, and 3.3mm needle and seat

 

Filters
Weber 48IDA Canister (w/K&N short filter)
*Canister not available seperately.
99315.346
K&N Tall (5.5")
*This filter WILL cause fitment issues, however it can be a direct replacement for the filter above, a longer center bolt will need to be fabricated.
E3480 K&N
K&N Short (3.25") 16624

 

Manifolds

Note: All of these manifolds are cast for 48mm carbs -- you can "open" them up for larger carb bores.

Also Note: The 13B manifolds do not come with studs. They can be purchased here.

Application Part Number Image
*86-92 13B 6-Port
16493
*84-85 13B 6-Port
16492
*48/51 IDA 1986-92 13B 4-Port Engine
(Any 13B engine assembled using '86-92 "Turbo" side housings)
16494 16494 TurboII IDA Manifold
*48/51 IDA 1993-95 13B 4-Port Engine
(Any 13B engine assembled using '93-95 "Turbo" side housings)
16495 93-96 +13B Cosmo IDA Manifold
The above 48/51 IDA 1993-95 13B 4-Port Engine Manifold #16495 CAN be used on engines assembled with the 13B "Cosmo" (JDM) style side housings by porting/grinding the manifold ports to match the engine.
The gasket shown (NOT included with the manifold) is
#13-111A-N390
and shows the approximate amount of grinding needed
13B 93-95 Manifold w/Cosmo Gasket 13B 93-95 Manifold w/Cosmo Gasket
EARLY 13B 4-Port Engines
(produced from 74-78, but can be "created" from parts combinations)

See Footnote below
16484
12A 16482
* These manifolds have no facility for the brake servo. You must invent your own.

 

Heatshield
Heatshield
Fits all 12a and 13b Manifolds
16219

 

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