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SportTrac Discussion
Engine & Drivetrain
Interesting Benifit With Zabteck Modified Throttle Body!
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<blockquote data-quote="EddieS&#039;04" data-source="post: 972666" data-attributes="member: 61136"><p>Carey,</p><p></p><p> I wonder if it would affect the idle on the gen2 oem TB. If a 1mm hole was drilled in the throttle plate.</p><p></p><p>That is how ford eleminated the whistle, and idle problems, on the early port FI 5.0L. I did this mod on my '88 t-bird. I rebuilt the motor to speed density 5.0L HO specs+. When buying salvage parts I got an earlier TB. It also helped my idle with the speed density ECU. Texas didnt get the MAF 5.0L until '89. MAF HO 5.0L was california only until '89. I stayed with the speed density ECU with a piggy back chip. I had to change the firing order and the injector wiring order. The 5.0L HO has the 351 firing order. Was easier than reharnessing for the MAF ecu. Or I was lazy.:bwahaha:</p><p></p><p> But the idle was controled by the IAC.</p><p></p><p> So it might create an idle issue on gen2. It would be intresting for someone to try it. The 1mm hole could be pluged with a screw, and dremeled smooth. If it causes an issue.</p></blockquote><p></p>
[QUOTE="EddieS'04, post: 972666, member: 61136"] Carey, I wonder if it would affect the idle on the gen2 oem TB. If a 1mm hole was drilled in the throttle plate. That is how ford eleminated the whistle, and idle problems, on the early port FI 5.0L. I did this mod on my '88 t-bird. I rebuilt the motor to speed density 5.0L HO specs+. When buying salvage parts I got an earlier TB. It also helped my idle with the speed density ECU. Texas didnt get the MAF 5.0L until '89. MAF HO 5.0L was california only until '89. I stayed with the speed density ECU with a piggy back chip. I had to change the firing order and the injector wiring order. The 5.0L HO has the 351 firing order. Was easier than reharnessing for the MAF ecu. Or I was lazy.:bwahaha: But the idle was controled by the IAC. So it might create an idle issue on gen2. It would be intresting for someone to try it. The 1mm hole could be pluged with a screw, and dremeled smooth. If it causes an issue. [/QUOTE]
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SportTrac Discussion
Engine & Drivetrain
Interesting Benifit With Zabteck Modified Throttle Body!
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