Duduglanza Posted August 23, 2014 Share Posted August 23, 2014 Is it normal to a univeral throttle body u leak air from one side to another from the small gaps where the shaft is? Quote Link to post Share on other sites
5e colin Posted August 23, 2014 Share Posted August 23, 2014 not really there a precission fit on oem throttlebodys so i think its just cheap made ???? Quote Link to post Share on other sites
Duduglanza Posted August 23, 2014 Author Share Posted August 23, 2014 I tought its the only airway for the engine not to choke up... Quote Link to post Share on other sites
5e colin Posted August 23, 2014 Share Posted August 23, 2014 are you on about the butterfly shaft ??? or just the bypas passage ?? Quote Link to post Share on other sites
starletgt-shady Posted August 23, 2014 Share Posted August 23, 2014 Mine did. Was a zisco supplied one but same as universal ones from eBay. Did a leak test on the dyno a leaked badly from both sides of the shaft. Couldn't map the car so took it home and out the standard one back on. Quote Link to post Share on other sites
Duduglanza Posted August 23, 2014 Author Share Posted August 23, 2014 I cannot put the standard back on.. flanges don't match. I have seen a couple of cars using these throttle bodies. I dont know what they have made on them to fix it Quote Link to post Share on other sites
Duduglanza Posted August 26, 2014 Author Share Posted August 26, 2014 I managed to take everything off and checked deeply for leaks.. i tightened all fitting and put everything back on. Now idleing fine... altough the tb leaks a bit from one side to another it didnt effect. To idle it still needs a slightly gap or else it will choke. I managed to take everything off and checked deeply for leaks.. i tightened all fitting and put everything back on. Now idleing fine... altough the tb leaks a bit from one side to another it didnt effect. To idle it still needs a slightly gap or else it will choke. Quote Link to post Share on other sites
Gainzy Posted August 27, 2014 Share Posted August 27, 2014 If it's between genuine and universal go genuine every time! Quote Link to post Share on other sites
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