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Search: Posts Made By: fbh-velocity
Showing results 1 to 25 of 103
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Forum: General Q & A
11-09-2012, 02:13 PM
Replies: 7
Views: 4,069
Posted By fbh-velocity

Smile Sorry for the late update. I changed the rockers...

Sorry for the late update. I changed the rockers to a set of stainless Comp Cams full roller.
I couldn't find any visual issues with the gold rockers but the problem is solved
Forum: General Q & A
06-07-2012, 12:05 PM
Replies: 9
Views: 2,596
Posted By fbh-velocity

I donīt know for sure how fast it will go but I...

I donīt know for sure how fast it will go but I have read about the same boat with twin 496" HO 425 HP should go 55 mph. I have twin 375 HP so my guess is about 50 mph. I canīt find the spec af drive...
Forum: General Q & A
06-06-2012, 02:15 PM
Replies: 9
Views: 2,596
Posted By fbh-velocity

Can I compare pitch on bravo 3 duoprops with...

Can I compare pitch on bravo 3 duoprops with pitch on single props on B1 ?
Lets say a 1:5 bravo 1 drive turning a 24P prop = 1:5 Bravo 3 24P duoprop ?

Boat weight estimated 8.7 ton
Forum: General Q & A
06-06-2012, 11:05 AM
Replies: 9
Views: 2,596
Posted By fbh-velocity

Nobody knows what size propeller I need for this...

Nobody knows what size propeller I need for this boat with bravo 3 1.65 ratio (Dieseldrive)?
Forum: General Q & A
06-05-2012, 08:02 AM
Replies: 9
Views: 2,596
Posted By fbh-velocity

Bravo 3 on Thunderhawk 43

I work on a Sunseeker Thunderhawk 43 with twin 496" 375hp engines.
I have my hands on 2 almost new bravo 3 diesel drive with 1:65 ratio.
My first question is: How will Bravo 3 drive perform on...
Forum: General Q & A
07-06-2011, 04:46 PM
Replies: 7
Views: 4,069
Posted By fbh-velocity

Would it be a good idea to go up from 11/32 to...

Would it be a good idea to go up from 11/32 to 3/8 valve stem diameter? How much will it hurt flow?
Forum: General Q & A
07-05-2011, 01:17 PM
Replies: 7
Views: 4,069
Posted By fbh-velocity

BillK, This is a thing I have not check as the...

BillK,
This is a thing I have not check as the first failure was brand new Brodix heads out off box with valve installed. I only changed the spring. Not sure what machineshop is using but I think...
Forum: General Q & A
07-04-2011, 04:04 PM
Replies: 7
Views: 4,069
Posted By fbh-velocity

Valve guide wear

I run a zz502 with Brodix RR oval aluminium heads 2.25 1.88 stock brodix valve and 14 psi Vortech V7 YSI Boost in my truck. Max rpm is 6000 and with less than 1500 miles the phosforos bronze guides...
Forum: General Q & A
10-15-2009, 02:57 PM
Replies: 19
Views: 29,294
Posted By fbh-velocity

Thanks, I will try to use the 415 EFI/MPI in...

Thanks, I will try to use the 415 EFI/MPI in combination with my oval heads. I still wonder what the difference is between the 415efi/MPI and the 500/525HP EFI/MPI system. The 415 has throttle body...
Forum: General Q & A
10-14-2009, 01:39 PM
Replies: 19
Views: 29,294
Posted By fbh-velocity

Come on, there must be some EFI guys who can help...

Come on, there must be some EFI guys who can help me with ansvers:kiss:
Forum: General Q & A
10-13-2009, 11:40 AM
Replies: 19
Views: 29,294
Posted By fbh-velocity

EFI/MPI difference?

What is the difference of the injection system from a 454/502 EFI/MPI magnum 385/415hp and the EFI system that comes with the HP500/HP525?
How much HP can be made with the 454/502 EFIection if the...
Forum: General Q & A
11-24-2008, 02:44 PM
Replies: 4
Views: 8,803
Posted By fbh-velocity

I want to use it on streets in the week ends. I...

I want to use it on streets in the week ends. I donīt use it for towing. I look for as much power i can get with TBI. Looking for aīrollercam as im using gen VI 454 long block.
Forum: General Q & A
11-22-2008, 01:02 PM
Replies: 4
Views: 8,803
Posted By fbh-velocity

What roller cam spec. for 454 SS truck??

Im going to build my truck engine for my 454SS truck 1990.
Im building a gen VI 7.4 engine with vortec heads. Edelbrock TBI intake and modified trottle body, chip etc.
Edelbrock offer a`TBI frendly...
Forum: General Q & A
11-22-2008, 12:47 PM
Replies: 20
Views: 29,524
Posted By fbh-velocity

Thanks, I will go for Vortec heads as they are...

Thanks, I will go for Vortec heads as they are 100 cc for higher CR and about 230 cc . Edl TBI manifold, headers, dual exhaust etc. I am still considering what cam to use. The EDL cam 218, 228-.500...
Forum: General Q & A
11-13-2008, 06:40 AM
Replies: 20
Views: 29,524
Posted By fbh-velocity

I found that Edelbrock has #3764 TBI manifold and...

I found that Edelbrock has #3764 TBI manifold and #2162 cam 218 228 .500 .500. They also have headers and high flow cat. But will the stock TBI (50mm) flow enough air? and how much power will this...
Forum: General Q & A
11-12-2008, 01:12 PM
Replies: 20
Views: 29,524
Posted By fbh-velocity

Thats true, but it makes it all from 1600RPM, but...

Thats true, but it makes it all from 1600RPM, but i dont need that. I want to make it a tire schredding fast beast:drink:
Forum: General Q & A
11-12-2008, 12:50 PM
Replies: 20
Views: 29,524
Posted By fbh-velocity

454 SS Truck engine

I know this thread is for marine application. But I have just bought a 1990 454 SS C1500 Truck and I canīt find any information about modifying this engine. Factory spec.is only230HP and 385 Tq@1600...
Forum: General Q & A
09-13-2008, 01:29 PM
Replies: 0
Views: 2,114
Posted By fbh-velocity

Crank position sensor ?

Is the crank position sensor in use on aī 5.0L 220 hp carb. year 2003? Or is it just plugging the hole in the composit timing cover. Canīt find any wire for it and I dont see how it should work on aī...
Forum: General Q & A
09-05-2008, 06:11 AM
Replies: 21
Views: 9,904
Posted By fbh-velocity

Smile Stock cam is chevrolet #3904359 214* 218* ...

Stock cam is chevrolet #3904359 214* 218* .460" .480" 114 LSA
365 mag cam chevrolet #14096209 224* 224* .500" .500" 115.5 LSA

Make aīsearch on Classifieds,maby someone has aīgood used cam for...
Forum: General Q & A
09-04-2008, 01:00 PM
Replies: 21
Views: 9,904
Posted By fbh-velocity

Be carefull with your cast buttom end! I wouldnīt...

Be carefull with your cast buttom end! I wouldnīt rew it more than 5200 rpm. I have very good experience with the Part Number: 132561 Grind Number: H-228/312-2S-14 T1.2 (mercruiser 420 cam) You can...
Forum: General Q & A
08-09-2008, 11:29 AM
Replies: 8
Views: 5,434
Posted By fbh-velocity

Its Carb.

Its Carb.
Forum: General Q & A
08-09-2008, 09:47 AM
Replies: 8
Views: 5,434
Posted By fbh-velocity

Yes, 2 barrel Vortec intake

Yes, 2 barrel Vortec intake
Forum: General Q & A
08-09-2008, 01:37 AM
Replies: 8
Views: 5,434
Posted By fbh-velocity

305 meruiser 2 barrel upgrade?

What can be made to aī 220 HP vortec 2 barrel 305 cui mercruiser from 2003. I need easy 30-40 Hp to go up 2" in prop size.

4 barrel intake? cam?

Its aītwin installation in a larger boat
Forum: General Q & A
07-30-2008, 10:18 AM
Replies: 43
Views: 37,068
Posted By fbh-velocity

Thanks! but i think 169741 is for gen V and VI....

Thanks! but i think 169741 is for gen V and VI. The Merlin 540 shortblock is a mk IV, Right? But I canīt find the #139741 that should be the mk IV cam.. Maby NLA?
Forum: General Q & A
07-29-2008, 04:08 PM
Replies: 43
Views: 37,068
Posted By fbh-velocity

I need the grind # and or the cam#. I canīt find...

I need the grind # and or the cam#. I canīt find the "740" cam. ?
Showing results 1 to 25 of 103
 
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