2.1 stroker question
29 August 2009 | 01:56 PM
#1
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From: North Somercotes, Lincs
2.1 stroker question
hi, ive recently bought an impreza and was told its got a 2.1 stroker kit, 550cc injectors, td05 20g turbo, how do i tell if its got a 2.1 stroker?? what is the size of a standard bore?? do standard pistons have the two circular cut outs for the valves??
cheers
cheers
29 August 2009 | 03:35 PM
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From: Enginetuner.co.uk Plymouth Dyno Dynamics RR Engine machining and building EcuTek SimTek mapping
You need to measure the stroke, bit tricky with the engine in!
29 August 2009 | 04:19 PM
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30 August 2009 | 03:55 PM
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From: North Somercotes, Lincs
the engine isnt in anymore, i just have the block sat on my workbench, the size of each bore is 92.5 mm or near abouts! i have a massive folder, i will have to have a look thru it
30 August 2009 | 04:07 PM
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From: Enginetuner.co.uk Plymouth Dyno Dynamics RR Engine machining and building EcuTek SimTek mapping
The 2 litre has a 75mm stroke and the 2.1 stroker uses the 2.5 crank, which has a 79mm stroke. The bore size of 92.5 just means it's been bored to the first oversize.
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