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engine i.d. 454

Old 05-07-2013, 01:28 AM
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Originally Posted by dandercam1
What years where the TB IV ignitions used?...I had a 96 7.4 that was rev limited to 4750
96-97 were the switch over years to TB V's which would have rev limiters. All the TBI, EFI and MPI have a TB V and rev limiters.
Carbed engines should not, but I have also heard of some having the TB V's and rev limiters.

The carbed Merc Racing(blue) engines had TB IV's but had an add on rev limiter.

Last edited by Griff; 05-07-2013 at 01:30 AM.
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