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  #16 (permalink)  
Old 11-15-2012, 02:32 PM
How fast is fast enough?
 
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Originally Posted by gearheadslife View Post
I'm researching this engine as it's in my fiero.. and I'm not swaping to a v6.. my point as seen as no one knows what the engine is in.. the factory one isn't the bottleneck.. thats all.. if it's for looks.. thats all good.. but if it's because the o/p thinks he'll get any extra power.. he might want to save his money..
He won't see a huge increase with an otherwise stock engine but he can see a measurable increase if he does a good job. Anytime you work with an NA 4 banger you expect small incremental gains. BTDT
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  #17 (permalink)  
Old 11-15-2012, 03:07 PM
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Header companies advertize hp gains but not at what rpm ranges.Off idle gains for headers amounts to not much.At least not much for the seat of the pants dyno.To tune a highly mod engine's exhaust is something entirely different.The expectation going in is to operate that engine at a higher rpm anyways where headers effectiveness come into play.
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  #18 (permalink)  
Old 11-16-2012, 04:39 AM
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Originally Posted by painted jester View Post
Maybe he wants the fancy looks of a header? Not every one builds engines to the hilt that runs headers? He asked a simple question!!

He may only need a simple answer!

That may be a marine iron duke?

Jester
Ayuh,... The 151 was Never used in a boat,...

The 153, 'n the 181 were used in boats though...
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Old 11-16-2012, 10:23 AM
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151 Iron Duke

Jester
You are right about my application it is mainly for looks although it has been ported and polished otherwise pretty much stock. The exhaust and intake manifolds are seperate of each other so no heat riser for the carb warm weather car only. LOL

I have it in a 23 T-Bucket and has plenty of power for a light thing like that only 1,380 lbs, so moves along real smoothly.

Thanks everyone for your input it shows that there is a lot of intrest in the old 151.
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  #20 (permalink)  
Old 11-16-2012, 11:21 AM
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Quote:
Originally Posted by gearheadslife View Post
I'm researching this engine as it's in my fiero.. and I'm not swaping to a v6..
I don't blame you for not wanting to swap to a v6. Most of the 60* v6's that are easy swaps are rather anemic. I'd ditch the duke though. Put a quad4 in that bad boy, it's the engine they should have put in the Fiero.
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  #21 (permalink)  
Old 11-16-2012, 01:58 PM
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Quote:
Originally Posted by bondo View Post
Ayuh,... The 151 was Never used in a boat,...

The 153, 'n the 181 were used in boats though...
I didn't mention 151 I said IRON DUKE And they are converted to Marine applications in some just not stock installations the same as the mans T bucket They never came in Ts either ! You need a 151 put in a boat Ill show you how to install one!!!!!!

Jester

Last edited by painted jester; 11-16-2012 at 02:11 PM.
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  #22 (permalink)  
Old 11-16-2012, 02:13 PM
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Originally Posted by Bussaw1 View Post
Jester
You are right about my application it is mainly for looks although it has been ported and polished otherwise pretty much stock. The exhaust and intake manifolds are seperate of each other so no heat riser for the carb warm weather car only. LOL

I have it in a 23 T-Bucket and has plenty of power for a light thing like that only 1,380 lbs, so moves along real smoothly.

Thanks everyone for your input it shows that there is a lot of intrest in the old 151.
Post a few pics Id really Be interested in seeing it!!!

Jester
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  #23 (permalink)  
Old 11-16-2012, 03:48 PM
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Originally Posted by Valkyrie5.7 View Post
I don't blame you for not wanting to swap to a v6. Most of the 60* v6's that are easy swaps are rather anemic. I'd ditch the duke though. Put a quad4 in that bad boy, it's the engine they should have put in the Fiero.
ya.. that or the 3800 are the normal swaps...
or echotech but mine is a pace car.. so I'll keep the duke.. it goes nicely with it.. and 38mpg hyway and 27ish around town.. and that was why I bought it.. 4cyl good mpg and american made and somewhat fun to drive daily..
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