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SR20 VVT Mods.
Posted: Sun Apr 10, 2005 6:21 am
by Andy Ross
Just wondering if anyone has any info. regarding fitting an SR20vvt engine into the Roadster.
I already have the following:
Modification to the front crossmember for sump clearance.
Relocation of exhaust sensor.
Modification to front LH chassis lip for clearance.
My concern is chassis modification to except SR20 G/box. I havnt heard much regarding alterations for this or anything else not mentioned.
Regards Andy
Sr Swap
Posted: Sun Apr 10, 2005 7:35 am
by toolsnob
The Sr14/13 is pretty much the same for fitment. The real difference is induction and upper radiator hose. All you need to do is pocket the xmember to accept your new tranny mount.
Posted: Sun Apr 10, 2005 8:52 am
by Andy Ross
Any other mods. I havnt mentioned?
Posted: Sun Apr 10, 2005 9:30 am
by steve68
wow that would be an awsome swap..thats the s15 engine correct? and they come with a 6 speed, is that bigger? you might have another problem with the tranny.
steve
Sr20 Vtt
Posted: Sun Apr 10, 2005 7:42 pm
by toolsnob
Actually the Sr came in the 14 /15 with the VTT, if I am not mistaken the S14 and S15 NA motors were the same with different transmissions, although I may be wrong, have to ask Michael Spreadbury. I know that the S15 came in an autech (or something like that ) that put out 200hp over the 160 stock.
Posted: Mon Apr 11, 2005 6:06 am
by Andy Ross
The SR20 I am currently working out how to fit is the S14/VVT model.
S14
Posted: Mon Apr 11, 2005 9:07 am
by toolsnob
Andy,
That is the same motor I mounted in a 66 that I sold. Sr or KA it is the same process for making mounts and fitting. Line the shifter in the 4 speed tanny hole, raise the tranny about an inch above the xmember, level out the oil pan which will make the motor can't about 5 degrees or so. Center the engine side to side, make sure you have about 1/4 inch clearance from the bottom of the oil filter and you pretty much have it set, just need to make your mounts.
I find it easier to take some mount isolators and build off a set of used ones, that way I can weld off them and don't have to worry about if they get a little burned.
Alexi
RE:SR20
Posted: Mon Apr 11, 2005 9:39 am
by S Allen
Andy,
Here is some more info I have obtained from Michael Spriso and Alexi for fitting an SR20 into my project. I do not have it published on the main website yet as it is a work in progress. If you have anything to add down the line just let me know. You can view it here at
http://www.311s.org/tech/engine/sr20de.html
Steve